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===========================================================================
AUSCERT External Security Bulletin Redistribution
ESB-2021.0955
Security update for the Linux Kernel
18 March 2021
===========================================================================
AusCERT Security Bulletin Summary
---------------------------------
Product: linux kernel
Publisher: SUSE
Operating System: SUSE
Impact/Access: Root Compromise -- Existing Account
Execute Arbitrary Code/Commands -- Existing Account
Overwrite Arbitrary Files -- Existing Account
Denial of Service -- Existing Account
Access Confidential Data -- Remote/Unauthenticated
Resolution: Patch/Upgrade
CVE Names: CVE-2021-3347 CVE-2021-0342 CVE-2020-29368
CVE-2020-28374 CVE-2020-27786 CVE-2020-25645
CVE-2020-1749 CVE-2020-0429
Reference: ESB-2021.0924
ESB-2021.0920
ESB-2021.0861
ESB-2021.0837
Original Bulletin:
https://www.suse.com/support/update/announcement/2021/suse-su-20210870-1
https://www.suse.com/support/update/announcement/2021/suse-su-20210868-1
https://www.suse.com/support/update/announcement/2021/suse-su-20210864-1
https://www.suse.com/support/update/announcement/2021/suse-su-20210853-1
https://www.suse.com/support/update/announcement/2021/suse-su-20210859-1
https://www.suse.com/support/update/announcement/2021/suse-su-20210818-1
https://www.suse.com/support/update/announcement/2021/suse-su-20210809-1
https://www.suse.com/support/update/announcement/2021/suse-su-20210849-1
https://www.suse.com/support/update/announcement/2021/suse-su-20210842-1
https://www.suse.com/support/update/announcement/2021/suse-su-20210835-1
https://www.suse.com/support/update/announcement/2021/suse-su-20210826-1
https://www.suse.com/support/update/announcement/2021/suse-su-20210869-1
https://www.suse.com/support/update/announcement/2021/suse-su-20210841-1
https://www.suse.com/support/update/announcement/2021/suse-su-20210840-1
https://www.suse.com/support/update/announcement/2021/suse-su-20210808-1
Comment: This bulletin contains fifteen (15) SUSE security advisories.
- --------------------------BEGIN INCLUDED TEXT--------------------
SUSE Security Update: Security update for the Linux Kernel (Live Patch 36 for
SLE 12 SP2)
______________________________________________________________________________
Announcement ID: SUSE-SU-2021:0870-1
Rating: important
References: #1178684 #1179616 #1181553
Cross-References: CVE-2020-27786 CVE-2020-28374 CVE-2021-3347
Affected Products:
SUSE OpenStack Cloud 7
SUSE Linux Enterprise Server for SAP 12-SP3
SUSE Linux Enterprise Server for SAP 12-SP2
SUSE Linux Enterprise Server 12-SP3-LTSS
SUSE Linux Enterprise Server 12-SP2-LTSS
______________________________________________________________________________
An update that fixes three vulnerabilities is now available.
Description:
This update for the Linux Kernel 4.4.121-92_138 fixes several issues.
The following security issues were fixed:
o CVE-2021-3347: Fixed a use-after-free in the PI futexes during fault
handling, allowing local users to execute code in the kernel (bsc#1181553).
o CVE-2020-27786: Fixed a potential user after free which could have led to
memory corruption or privilege escalation (bsc#1179616).
o CVE-2020-28374: Fixed insufficient identifier checking in the LIO SCSI
target code which could have been used by remote attackers to read or write
files via directory traversal in an XCOPY request (bsc#1178684).
Patch Instructions:
To install this SUSE Security Update use the SUSE recommended installation
methods like YaST online_update or "zypper patch".
Alternatively you can run the command listed for your product:
o SUSE OpenStack Cloud 7:
zypper in -t patch SUSE-OpenStack-Cloud-7-2021-870=1
o SUSE Linux Enterprise Server for SAP 12-SP3:
zypper in -t patch SUSE-SLE-SAP-12-SP3-2021-829=1
SUSE-SLE-SAP-12-SP3-2021-830=1 SUSE-SLE-SAP-12-SP3-2021-831=1
SUSE-SLE-SAP-12-SP3-2021-832=1 SUSE-SLE-SAP-12-SP3-2021-833=1
SUSE-SLE-SAP-12-SP3-2021-834=1
o SUSE Linux Enterprise Server for SAP 12-SP2:
zypper in -t patch SUSE-SLE-SAP-12-SP2-2021-836=1
SUSE-SLE-SAP-12-SP2-2021-837=1 SUSE-SLE-SAP-12-SP2-2021-838=1
SUSE-SLE-SAP-12-SP2-2021-839=1 SUSE-SLE-SAP-12-SP2-2021-870=1
o SUSE Linux Enterprise Server 12-SP3-LTSS:
zypper in -t patch SUSE-SLE-SERVER-12-SP3-2021-829=1
SUSE-SLE-SERVER-12-SP3-2021-830=1 SUSE-SLE-SERVER-12-SP3-2021-831=1
SUSE-SLE-SERVER-12-SP3-2021-832=1 SUSE-SLE-SERVER-12-SP3-2021-833=1
SUSE-SLE-SERVER-12-SP3-2021-834=1
o SUSE Linux Enterprise Server 12-SP2-LTSS:
zypper in -t patch SUSE-SLE-SERVER-12-SP2-2021-836=1
SUSE-SLE-SERVER-12-SP2-2021-837=1 SUSE-SLE-SERVER-12-SP2-2021-838=1
SUSE-SLE-SERVER-12-SP2-2021-839=1 SUSE-SLE-SERVER-12-SP2-2021-870=1
Package List:
o SUSE OpenStack Cloud 7 (x86_64):
kgraft-patch-4_4_121-92_138-default-7-2.2
o SUSE Linux Enterprise Server for SAP 12-SP3 (ppc64le x86_64):
kgraft-patch-4_4_180-94_116-default-8-2.2
kgraft-patch-4_4_180-94_116-default-debuginfo-8-2.2
kgraft-patch-4_4_180-94_121-default-7-2.2
kgraft-patch-4_4_180-94_121-default-debuginfo-7-2.2
kgraft-patch-4_4_180-94_124-default-7-2.2
kgraft-patch-4_4_180-94_124-default-debuginfo-7-2.2
kgraft-patch-4_4_180-94_127-default-7-2.2
kgraft-patch-4_4_180-94_127-default-debuginfo-7-2.2
kgraft-patch-4_4_180-94_130-default-6-2.2
kgraft-patch-4_4_180-94_130-default-debuginfo-6-2.2
kgraft-patch-4_4_180-94_135-default-4-2.2
kgraft-patch-4_4_180-94_135-default-debuginfo-4-2.2
o SUSE Linux Enterprise Server for SAP 12-SP2 (ppc64le x86_64):
kgraft-patch-4_4_121-92_129-default-9-2.2
kgraft-patch-4_4_121-92_135-default-7-2.2
kgraft-patch-4_4_121-92_138-default-7-2.2
kgraft-patch-4_4_121-92_141-default-6-2.2
kgraft-patch-4_4_121-92_146-default-4-2.2
o SUSE Linux Enterprise Server 12-SP3-LTSS (ppc64le x86_64):
kgraft-patch-4_4_180-94_116-default-8-2.2
kgraft-patch-4_4_180-94_116-default-debuginfo-8-2.2
kgraft-patch-4_4_180-94_121-default-7-2.2
kgraft-patch-4_4_180-94_121-default-debuginfo-7-2.2
kgraft-patch-4_4_180-94_124-default-7-2.2
kgraft-patch-4_4_180-94_124-default-debuginfo-7-2.2
kgraft-patch-4_4_180-94_127-default-7-2.2
kgraft-patch-4_4_180-94_127-default-debuginfo-7-2.2
kgraft-patch-4_4_180-94_130-default-6-2.2
kgraft-patch-4_4_180-94_130-default-debuginfo-6-2.2
kgraft-patch-4_4_180-94_135-default-4-2.2
kgraft-patch-4_4_180-94_135-default-debuginfo-4-2.2
o SUSE Linux Enterprise Server 12-SP2-LTSS (ppc64le x86_64):
kgraft-patch-4_4_121-92_129-default-9-2.2
kgraft-patch-4_4_121-92_135-default-7-2.2
kgraft-patch-4_4_121-92_138-default-7-2.2
kgraft-patch-4_4_121-92_141-default-6-2.2
kgraft-patch-4_4_121-92_146-default-4-2.2
References:
o https://www.suse.com/security/cve/CVE-2020-27786.html
o https://www.suse.com/security/cve/CVE-2020-28374.html
o https://www.suse.com/security/cve/CVE-2021-3347.html
o https://bugzilla.suse.com/1178684
o https://bugzilla.suse.com/1179616
o https://bugzilla.suse.com/1181553
- --------------------------------------------------------------------------------
SUSE Security Update: Security update for the Linux Kernel (Live Patch 18 for
SLE 15)
______________________________________________________________________________
Announcement ID: SUSE-SU-2021:0868-1
Rating: important
References: #1178684 #1179616 #1179664 #1181553
Cross-References: CVE-2020-27786 CVE-2020-28374 CVE-2020-29368 CVE-2021-3347
Affected Products:
SUSE Linux Enterprise Module for Live Patching 15
SUSE Linux Enterprise Live Patching 12-SP4
______________________________________________________________________________
An update that fixes four vulnerabilities is now available.
Description:
This update for the Linux Kernel 4.12.14-150_52 fixes several issues.
The following security issues were fixed:
o CVE-2020-29368: Fixed an issue in copy-on-write implementation which could
have granted unintended write access because of a race condition in a THP
mapcount check (bsc#1179664).
o CVE-2021-3347: Fixed a use-after-free in the PI futexes during fault
handling, allowing local users to execute code in the kernel (bsc#1181553).
o CVE-2020-27786: Fixed a potential user after free which could have led to
memory corruption or privilege escalation (bsc#1179616).
o CVE-2020-28374: Fixed insufficient identifier checking in the LIO SCSI
target code which could have been used by remote attackers to read or write
files via directory traversal in an XCOPY request (bsc#1178684).
Patch Instructions:
To install this SUSE Security Update use the SUSE recommended installation
methods like YaST online_update or "zypper patch".
Alternatively you can run the command listed for your product:
o SUSE Linux Enterprise Module for Live Patching 15:
zypper in -t patch SUSE-SLE-Module-Live-Patching-15-2021-865=1
SUSE-SLE-Module-Live-Patching-15-2021-866=1
SUSE-SLE-Module-Live-Patching-15-2021-867=1
SUSE-SLE-Module-Live-Patching-15-2021-868=1
o SUSE Linux Enterprise Live Patching 12-SP4:
zypper in -t patch SUSE-SLE-Live-Patching-12-SP4-2021-822=1
Package List:
o SUSE Linux Enterprise Module for Live Patching 15 (ppc64le x86_64):
kernel-livepatch-4_12_14-150_52-default-7-2.2
kernel-livepatch-4_12_14-150_52-default-debuginfo-7-2.2
kernel-livepatch-4_12_14-150_55-default-7-2.2
kernel-livepatch-4_12_14-150_55-default-debuginfo-7-2.2
kernel-livepatch-4_12_14-150_58-default-6-2.2
kernel-livepatch-4_12_14-150_58-default-debuginfo-6-2.2
kernel-livepatch-4_12_14-150_63-default-4-2.2
kernel-livepatch-4_12_14-150_63-default-debuginfo-4-2.2
o SUSE Linux Enterprise Live Patching 12-SP4 (ppc64le s390x x86_64):
kgraft-patch-4_12_14-95_65-default-3-2.2
References:
o https://www.suse.com/security/cve/CVE-2020-27786.html
o https://www.suse.com/security/cve/CVE-2020-28374.html
o https://www.suse.com/security/cve/CVE-2020-29368.html
o https://www.suse.com/security/cve/CVE-2021-3347.html
o https://bugzilla.suse.com/1178684
o https://bugzilla.suse.com/1179616
o https://bugzilla.suse.com/1179664
o https://bugzilla.suse.com/1181553
- --------------------------------------------------------------------------------
SUSE Security Update: Security update for the Linux Kernel (Live Patch 22 for
SLE 15)
______________________________________________________________________________
Announcement ID: SUSE-SU-2021:0864-1
Rating: important
References: #1179664
Cross-References: CVE-2020-29368
Affected Products:
SUSE Linux Enterprise Module for Live Patching 15-SP1
SUSE Linux Enterprise Module for Live Patching 15
SUSE Linux Enterprise Live Patching 12-SP4
______________________________________________________________________________
An update that fixes one vulnerability is now available.
Description:
This update for the Linux Kernel 4.12.14-150_66 fixes one issue.
The following security issue was fixed:
o CVE-2020-29368: Fixed an issue in copy-on-write implementation which could
have granted unintended write access because of a race condition in a THP
mapcount check (bsc#1179664).
Patch Instructions:
To install this SUSE Security Update use the SUSE recommended installation
methods like YaST online_update or "zypper patch".
Alternatively you can run the command listed for your product:
o SUSE Linux Enterprise Module for Live Patching 15-SP1:
zypper in -t patch SUSE-SLE-Module-Live-Patching-15-SP1-2021-850=1
o SUSE Linux Enterprise Module for Live Patching 15:
zypper in -t patch SUSE-SLE-Module-Live-Patching-15-2021-864=1
o SUSE Linux Enterprise Live Patching 12-SP4:
zypper in -t patch SUSE-SLE-Live-Patching-12-SP4-2021-821=1
Package List:
o SUSE Linux Enterprise Module for Live Patching 15-SP1 (ppc64le x86_64):
kernel-livepatch-4_12_14-197_83-default-2-2.2
o SUSE Linux Enterprise Module for Live Patching 15 (ppc64le x86_64):
kernel-livepatch-4_12_14-150_66-default-2-2.2
kernel-livepatch-4_12_14-150_66-default-debuginfo-2-2.2
o SUSE Linux Enterprise Live Patching 12-SP4 (ppc64le s390x x86_64):
kgraft-patch-4_12_14-95_68-default-2-2.2
References:
o https://www.suse.com/security/cve/CVE-2020-29368.html
o https://bugzilla.suse.com/1179664
- --------------------------------------------------------------------------------
SUSE Security Update: Security update for the Linux Kernel (Live Patch 19 for
SLE 15 SP1)
______________________________________________________________________________
Announcement ID: SUSE-SU-2021:0853-1
Rating: important
References: #1178684 #1179616 #1179664 #1180859 #1181553 #1182468
Cross-References: CVE-2020-27786 CVE-2020-28374 CVE-2020-29368 CVE-2021-0342
CVE-2021-3347
Affected Products:
SUSE Linux Enterprise Module for Live Patching 15-SP1
______________________________________________________________________________
An update that solves 5 vulnerabilities and has one errata is now available.
Description:
This update for the Linux Kernel 4.12.14-197_72 fixes several issues.
The following security issues were fixed:
o CVE-2020-29368: Fixed an issue in copy-on-write implementation which could
have granted unintended write access because of a race condition in a THP
mapcount check (bsc#1179664).
o Fixed an issue where NFS client filesystems got unmounted on fail-over (bsc
#1182468).
o CVE-2021-3347: Fixed a use-after-free in the PI futexes during fault
handling, allowing local users to execute code in the kernel (bsc#1181553).
o CVE-2020-27786: Fixed a potential user after free which could have led to
memory corruption or privilege escalation (bsc#1179616).
o CVE-2020-28374: Fixed insufficient identifier checking in the LIO SCSI
target code which could have been used by remote attackers to read or write
files via directory traversal in an XCOPY request (bsc#1178684).
o CVE-2021-0342: Fixed a potential memory corruption due to a use after free
which could have led to local escalation of privilege with System execution
privileges required (bsc#1180859).
Patch Instructions:
To install this SUSE Security Update use the SUSE recommended installation
methods like YaST online_update or "zypper patch".
Alternatively you can run the command listed for your product:
o SUSE Linux Enterprise Module for Live Patching 15-SP1:
zypper in -t patch SUSE-SLE-Module-Live-Patching-15-SP1-2021-853=1
SUSE-SLE-Module-Live-Patching-15-SP1-2021-854=1
SUSE-SLE-Module-Live-Patching-15-SP1-2021-855=1
SUSE-SLE-Module-Live-Patching-15-SP1-2021-861=1
SUSE-SLE-Module-Live-Patching-15-SP1-2021-862=1
SUSE-SLE-Module-Live-Patching-15-SP1-2021-863=1
Package List:
o SUSE Linux Enterprise Module for Live Patching 15-SP1 (ppc64le x86_64):
kernel-livepatch-4_12_14-197_34-default-10-2.2
kernel-livepatch-4_12_14-197_37-default-10-2.2
kernel-livepatch-4_12_14-197_40-default-9-2.2
kernel-livepatch-4_12_14-197_64-default-4-2.2
kernel-livepatch-4_12_14-197_67-default-4-2.2
kernel-livepatch-4_12_14-197_72-default-3-2.2
References:
o https://www.suse.com/security/cve/CVE-2020-27786.html
o https://www.suse.com/security/cve/CVE-2020-28374.html
o https://www.suse.com/security/cve/CVE-2020-29368.html
o https://www.suse.com/security/cve/CVE-2021-0342.html
o https://www.suse.com/security/cve/CVE-2021-3347.html
o https://bugzilla.suse.com/1178684
o https://bugzilla.suse.com/1179616
o https://bugzilla.suse.com/1179664
o https://bugzilla.suse.com/1180859
o https://bugzilla.suse.com/1181553
o https://bugzilla.suse.com/1182468
- --------------------------------------------------------------------------------
SUSE Security Update: Security update for the Linux Kernel (Live Patch 13 for
SLE 15 SP1)
______________________________________________________________________________
Announcement ID: SUSE-SU-2021:0859-1
Rating: important
References: #1178684 #1179616 #1179664 #1180859 #1181553 #1182108
#1182468
Cross-References: CVE-2020-27786 CVE-2020-28374 CVE-2020-29368 CVE-2021-0342
CVE-2021-3347
Affected Products:
SUSE Linux Enterprise Module for Live Patching 15-SP1
______________________________________________________________________________
An update that solves 5 vulnerabilities and has two fixes is now available.
Description:
This update for the Linux Kernel 4.12.14-197_48 fixes several issues.
The following security issues were fixed:
o CVE-2020-29368: Fixed an issue in copy-on-write implementation which could
have granted unintended write access because of a race condition in a THP
mapcount check (bsc#1179664).
o Fixed an issue where NFS client filesystems got unmounted on fail-over (bsc
#1182468).
o Fixed an issue where NFS client hanged on write errors (bsc#1182108).
o CVE-2021-3347: Fixed a use-after-free in the PI futexes during fault
handling, allowing local users to execute code in the kernel (bsc#1181553).
o CVE-2020-27786: Fixed a potential user after free which could have led to
memory corruption or privilege escalation (bsc#1179616).
o CVE-2020-28374: Fixed insufficient identifier checking in the LIO SCSI
target code which could have been used by remote attackers to read or write
files via directory traversal in an XCOPY request (bsc#1178684).
o CVE-2021-0342: Fixed a potential memory corruption due to a use after free
which could have led to local escalation of privilege with System execution
privileges required (bsc#1180859).
Patch Instructions:
To install this SUSE Security Update use the SUSE recommended installation
methods like YaST online_update or "zypper patch".
Alternatively you can run the command listed for your product:
o SUSE Linux Enterprise Module for Live Patching 15-SP1:
zypper in -t patch SUSE-SLE-Module-Live-Patching-15-SP1-2021-856=1
SUSE-SLE-Module-Live-Patching-15-SP1-2021-857=1
SUSE-SLE-Module-Live-Patching-15-SP1-2021-858=1
SUSE-SLE-Module-Live-Patching-15-SP1-2021-859=1
SUSE-SLE-Module-Live-Patching-15-SP1-2021-860=1
Package List:
o SUSE Linux Enterprise Module for Live Patching 15-SP1 (ppc64le x86_64):
kernel-livepatch-4_12_14-197_45-default-7-2.2
kernel-livepatch-4_12_14-197_48-default-7-2.2
kernel-livepatch-4_12_14-197_51-default-7-2.2
kernel-livepatch-4_12_14-197_56-default-6-2.2
kernel-livepatch-4_12_14-197_61-default-5-2.2
References:
o https://www.suse.com/security/cve/CVE-2020-27786.html
o https://www.suse.com/security/cve/CVE-2020-28374.html
o https://www.suse.com/security/cve/CVE-2020-29368.html
o https://www.suse.com/security/cve/CVE-2021-0342.html
o https://www.suse.com/security/cve/CVE-2021-3347.html
o https://bugzilla.suse.com/1178684
o https://bugzilla.suse.com/1179616
o https://bugzilla.suse.com/1179664
o https://bugzilla.suse.com/1180859
o https://bugzilla.suse.com/1181553
o https://bugzilla.suse.com/1182108
o https://bugzilla.suse.com/1182468
- --------------------------------------------------------------------------------
SUSE Security Update: Security update for the Linux Kernel (Live
______________________________________________________________________________
Announcement ID: SUSE-SU-2021:0818-1
Rating: important
References: #1178684 #1179616 #1179664 #1180859 #1181553
Cross-References: CVE-2020-27786 CVE-2020-28374 CVE-2020-29368 CVE-2021-0342
CVE-2021-3347
Affected Products:
SUSE Linux Enterprise Module for Live Patching 15-SP1
SUSE Linux Enterprise Live Patching 12-SP5
______________________________________________________________________________
Patch 5 for
SLE 12 SP5)
An update that fixes 5 vulnerabilities is now available.
Description:
This update for the Linux Kernel 4.12.14-122_23 fixes several issues.
The following security issues were fixed:
o CVE-2020-29368: Fixed an issue in copy-on-write implementation which could
have granted unintended write access because of a race condition in a THP
mapcount check (bsc#1179664).
o CVE-2021-3347: Fixed a use-after-free in the PI futexes during fault
handling, allowing local users to execute code in the kernel (bsc#1181553).
o CVE-2020-27786: Fixed a potential user after free which could have led to
memory corruption or privilege escalation (bsc#1179616).
o CVE-2020-28374: Fixed insufficient identifier checking in the LIO SCSI
target code which could have been used by remote attackers to read or write
files via directory traversal in an XCOPY request (bsc#1178684).
o CVE-2021-0342: Fixed a potential memory corruption due to a use after free
which could have led to local escalation of privilege with System execution
privileges required (bsc#1180859).
Patch Instructions:
To install this SUSE Security Update use the SUSE recommended installation
methods like YaST online_update or "zypper patch".
Alternatively you can run the command listed for your product:
o SUSE Linux Enterprise Module for Live Patching 15-SP1:
zypper in -t patch SUSE-SLE-Module-Live-Patching-15-SP1-2021-852=1
o SUSE Linux Enterprise Live Patching 12-SP5:
zypper in -t patch SUSE-SLE-Live-Patching-12-SP5-2021-810=1
SUSE-SLE-Live-Patching-12-SP5-2021-811=1
SUSE-SLE-Live-Patching-12-SP5-2021-812=1
SUSE-SLE-Live-Patching-12-SP5-2021-813=1
SUSE-SLE-Live-Patching-12-SP5-2021-814=1
SUSE-SLE-Live-Patching-12-SP5-2021-815=1
SUSE-SLE-Live-Patching-12-SP5-2021-816=1
SUSE-SLE-Live-Patching-12-SP5-2021-817=1
SUSE-SLE-Live-Patching-12-SP5-2021-818=1
SUSE-SLE-Live-Patching-12-SP5-2021-819=1
SUSE-SLE-Live-Patching-12-SP5-2021-820=1
Package List:
o SUSE Linux Enterprise Module for Live Patching 15-SP1 (ppc64le x86_64):
kernel-livepatch-4_12_14-197_75-default-3-2.2
o SUSE Linux Enterprise Live Patching 12-SP5 (ppc64le s390x x86_64):
kgraft-patch-4_12_14-122_17-default-11-2.2
kgraft-patch-4_12_14-122_20-default-10-2.2
kgraft-patch-4_12_14-122_23-default-9-2.2
kgraft-patch-4_12_14-122_26-default-9-2.2
kgraft-patch-4_12_14-122_29-default-9-2.2
kgraft-patch-4_12_14-122_32-default-9-2.2
kgraft-patch-4_12_14-122_37-default-8-2.2
kgraft-patch-4_12_14-122_41-default-7-2.2
kgraft-patch-4_12_14-122_46-default-5-2.2
kgraft-patch-4_12_14-122_51-default-5-2.2
kgraft-patch-4_12_14-122_54-default-3-2.2
References:
o https://www.suse.com/security/cve/CVE-2020-27786.html
o https://www.suse.com/security/cve/CVE-2020-28374.html
o https://www.suse.com/security/cve/CVE-2020-29368.html
o https://www.suse.com/security/cve/CVE-2021-0342.html
o https://www.suse.com/security/cve/CVE-2021-3347.html
o https://bugzilla.suse.com/1178684
o https://bugzilla.suse.com/1179616
o https://bugzilla.suse.com/1179664
o https://bugzilla.suse.com/1180859
o https://bugzilla.suse.com/1181553
- --------------------------------------------------------------------------------
SUSE Security Update: Security update for the Linux Kernel (Live Patch 14 for
SLE 12 SP5)
______________________________________________________________________________
Announcement ID: SUSE-SU-2021:0809-1
Rating: important
References: #1179616 #1179664 #1180859 #1181553
Cross-References: CVE-2020-27786 CVE-2020-29368 CVE-2021-0342 CVE-2021-3347
Affected Products:
SUSE Linux Enterprise Module for Live Patching 15-SP1
SUSE Linux Enterprise Live Patching 12-SP5
______________________________________________________________________________
An update that fixes four vulnerabilities is now available.
Description:
This update for the Linux Kernel 4.12.14-122_57 fixes several issues.
The following security issues were fixed:
o CVE-2020-29368: Fixed an issue in copy-on-write implementation which could
have granted unintended write access because of a race condition in a THP
mapcount check (bsc#1179664).
o CVE-2021-3347: Fixed a use-after-free in the PI futexes during fault
handling, allowing local users to execute code in the kernel (bsc#1181553).
o CVE-2020-27786: Fixed a potential user after free which could have led to
memory corruption or privilege escalation (bsc#1179616).
o CVE-2021-0342: Fixed a potential memory corruption due to a use after free
which could have led to local escalation of privilege with System execution
privileges required (bsc#1180859).
Patch Instructions:
To install this SUSE Security Update use the SUSE recommended installation
methods like YaST online_update or "zypper patch".
Alternatively you can run the command listed for your product:
o SUSE Linux Enterprise Module for Live Patching 15-SP1:
zypper in -t patch SUSE-SLE-Module-Live-Patching-15-SP1-2021-851=1
o SUSE Linux Enterprise Live Patching 12-SP5:
zypper in -t patch SUSE-SLE-Live-Patching-12-SP5-2021-809=1
Package List:
o SUSE Linux Enterprise Module for Live Patching 15-SP1 (ppc64le x86_64):
kernel-livepatch-4_12_14-197_78-default-3-2.2
o SUSE Linux Enterprise Live Patching 12-SP5 (ppc64le s390x x86_64):
kgraft-patch-4_12_14-122_57-default-3-2.2
References:
o https://www.suse.com/security/cve/CVE-2020-27786.html
o https://www.suse.com/security/cve/CVE-2020-29368.html
o https://www.suse.com/security/cve/CVE-2021-0342.html
o https://www.suse.com/security/cve/CVE-2021-3347.html
o https://bugzilla.suse.com/1179616
o https://bugzilla.suse.com/1179664
o https://bugzilla.suse.com/1180859
o https://bugzilla.suse.com/1181553
- --------------------------------------------------------------------------------
SUSE Security Update: Security update for the Linux Kernel (Live
______________________________________________________________________________
Announcement ID: SUSE-SU-2021:0849-1
Rating: important
References: #1178684 #1179664 #1180859 #1181553 #1182468
Cross-References: CVE-2020-28374 CVE-2020-29368 CVE-2021-0342 CVE-2021-3347
Affected Products:
SUSE Linux Enterprise Module for Live Patching 15-SP2
______________________________________________________________________________
Patch 0 for
SLE 15 SP2)
An update that solves four vulnerabilities and has one errata is now available.
Description:
This update for the Linux Kernel 5.3.18-22 fixes several issues.
The following security issues were fixed:
o CVE-2020-29368: Fixed an issue in copy-on-write implementation which could
have granted unintended write access because of a race condition in a THP
mapcount check (bsc#1179664).
o Fixed an issue where NFS client filesystems got unmounted on fail-over (bsc
#1182468).
o CVE-2021-3347: Fixed a use-after-free in the PI futexes during fault
handling, allowing local users to execute code in the kernel (bsc#1181553).
o CVE-2020-28374: Fixed insufficient identifier checking in the LIO SCSI
target code which could have been used by remote attackers to read or write
files via directory traversal in an XCOPY request (bsc#1178684).
o CVE-2021-0342: Fixed a potential memory corruption due to a use after free
which could have led to local escalation of privilege with System execution
privileges required (bsc#1180859).
Patch Instructions:
To install this SUSE Security Update use the SUSE recommended installation
methods like YaST online_update or "zypper patch".
Alternatively you can run the command listed for your product:
o SUSE Linux Enterprise Module for Live Patching 15-SP2:
zypper in -t patch SUSE-SLE-Module-Live-Patching-15-SP2-2021-849=1
Package List:
o SUSE Linux Enterprise Module for Live Patching 15-SP2 (ppc64le s390x
x86_64):
kernel-livepatch-5_3_18-22-default-8-5.2
kernel-livepatch-5_3_18-22-default-debuginfo-8-5.2
kernel-livepatch-SLE15-SP2_Update_0-debugsource-8-5.2
References:
o https://www.suse.com/security/cve/CVE-2020-28374.html
o https://www.suse.com/security/cve/CVE-2020-29368.html
o https://www.suse.com/security/cve/CVE-2021-0342.html
o https://www.suse.com/security/cve/CVE-2021-3347.html
o https://bugzilla.suse.com/1178684
o https://bugzilla.suse.com/1179664
o https://bugzilla.suse.com/1180859
o https://bugzilla.suse.com/1181553
o https://bugzilla.suse.com/1182468
- --------------------------------------------------------------------------------
SUSE Security Update: Security update for the Linux Kernel (Live
______________________________________________________________________________
Announcement ID: SUSE-SU-2021:0842-1
Rating: important
References: #1178684 #1179664 #1181553 #1182468
Cross-References: CVE-2020-28374 CVE-2020-29368 CVE-2021-3347
Affected Products:
SUSE Linux Enterprise Module for Live Patching 15-SP2
______________________________________________________________________________
Patch 7 for
SLE 15 SP2)
An update that solves three vulnerabilities and has one errata is now
available.
Description:
This update for the Linux Kernel 5.3.18-24_37 fixes several issues.
The following security issues were fixed:
o CVE-2020-29368: Fixed an issue in copy-on-write implementation which could
have granted unintended write access because of a race condition in a THP
mapcount check (bsc#1179664).
o Fixed an issue where NFS client filesystems got unmounted on fail-over (bsc
#1182468).
o CVE-2021-3347: Fixed a use-after-free in the PI futexes during fault
handling, allowing local users to execute code in the kernel (bsc#1181553).
o CVE-2020-28374: Fixed insufficient identifier checking in the LIO SCSI
target code which could have been used by remote attackers to read or write
files via directory traversal in an XCOPY request (bsc#1178684).
Patch Instructions:
To install this SUSE Security Update use the SUSE recommended installation
methods like YaST online_update or "zypper patch".
Alternatively you can run the command listed for your product:
o SUSE Linux Enterprise Module for Live Patching 15-SP2:
zypper in -t patch SUSE-SLE-Module-Live-Patching-15-SP2-2021-842=1
SUSE-SLE-Module-Live-Patching-15-SP2-2021-843=1
SUSE-SLE-Module-Live-Patching-15-SP2-2021-844=1
SUSE-SLE-Module-Live-Patching-15-SP2-2021-845=1
SUSE-SLE-Module-Live-Patching-15-SP2-2021-846=1
SUSE-SLE-Module-Live-Patching-15-SP2-2021-847=1
SUSE-SLE-Module-Live-Patching-15-SP2-2021-848=1
Package List:
o SUSE Linux Enterprise Module for Live Patching 15-SP2 (ppc64le s390x
x86_64):
kernel-livepatch-5_3_18-24_12-default-6-2.2
kernel-livepatch-5_3_18-24_12-default-debuginfo-6-2.2
kernel-livepatch-5_3_18-24_15-default-6-2.2
kernel-livepatch-5_3_18-24_15-default-debuginfo-6-2.2
kernel-livepatch-5_3_18-24_24-default-6-2.2
kernel-livepatch-5_3_18-24_24-default-debuginfo-6-2.2
kernel-livepatch-5_3_18-24_29-default-4-2.2
kernel-livepatch-5_3_18-24_29-default-debuginfo-4-2.2
kernel-livepatch-5_3_18-24_34-default-4-2.2
kernel-livepatch-5_3_18-24_34-default-debuginfo-4-2.2
kernel-livepatch-5_3_18-24_37-default-4-2.2
kernel-livepatch-5_3_18-24_37-default-debuginfo-4-2.2
kernel-livepatch-5_3_18-24_9-default-7-2.2
kernel-livepatch-5_3_18-24_9-default-debuginfo-7-2.2
kernel-livepatch-SLE15-SP2_Update_1-debugsource-7-2.2
kernel-livepatch-SLE15-SP2_Update_2-debugsource-6-2.2
kernel-livepatch-SLE15-SP2_Update_3-debugsource-6-2.2
kernel-livepatch-SLE15-SP2_Update_4-debugsource-6-2.2
kernel-livepatch-SLE15-SP2_Update_5-debugsource-4-2.2
kernel-livepatch-SLE15-SP2_Update_6-debugsource-4-2.2
kernel-livepatch-SLE15-SP2_Update_7-debugsource-4-2.2
References:
o https://www.suse.com/security/cve/CVE-2020-28374.html
o https://www.suse.com/security/cve/CVE-2020-29368.html
o https://www.suse.com/security/cve/CVE-2021-3347.html
o https://bugzilla.suse.com/1178684
o https://bugzilla.suse.com/1179664
o https://bugzilla.suse.com/1181553
o https://bugzilla.suse.com/1182468
- --------------------------------------------------------------------------------
SUSE Security Update: Security update for the Linux Kernel (Live Patch 39 for
SLE 12 SP2)
______________________________________________________________________________
Announcement ID: SUSE-SU-2021:0835-1
Rating: important
References: #1165631 #1176931 #1177513 #1178684 #1179616
Cross-References: CVE-2020-0429 CVE-2020-1749 CVE-2020-25645 CVE-2020-27786
CVE-2020-28374
Affected Products:
SUSE Linux Enterprise Server for SAP 12-SP3
SUSE Linux Enterprise Server for SAP 12-SP2
SUSE Linux Enterprise Server 12-SP3-LTSS
SUSE Linux Enterprise Server 12-SP2-LTSS
______________________________________________________________________________
An update that fixes 5 vulnerabilities is now available.
Description:
This update for the Linux Kernel 4.4.121-92_149 fixes several issues.
The following security issues were fixed:
o CVE-2020-27786: Fixed a potential user after free which could have led to
memory corruption or privilege escalation (bsc#1179616).
o CVE-2020-28374: Fixed insufficient identifier checking in the LIO SCSI
target code which could have been used by remote attackers to read or write
files via directory traversal in an XCOPY request (bsc#1178684).
o CVE-2020-25645: Fixed an issue where the traffic between two Geneve
endpoints may have been unencrypted when IPsec was configured to encrypt
traffic for the specific UDP port used by the GENEVE tunnel allowing anyone
between the two endpoints to read the traffic unencrypted (bsc#1177513).
o CVE-2020-0429: Fixed a potential memory corruption due to a use after free
which could have led local escalation of privilege with System execution
privileges needed (bsc#1176931).
o CVE-2020-1749: Fixed an issue in some networking protocols in IPsec, such
as VXLAN and GENEVE tunnels over IPv6 where the kernel was not correctly
routing tunneled data over the encrypted link rather sending the data
unencrypted (bsc#1165631).
Patch Instructions:
To install this SUSE Security Update use the SUSE recommended installation
methods like YaST online_update or "zypper patch".
Alternatively you can run the command listed for your product:
o SUSE Linux Enterprise Server for SAP 12-SP3:
zypper in -t patch SUSE-SLE-SAP-12-SP3-2021-828=1
o SUSE Linux Enterprise Server for SAP 12-SP2:
zypper in -t patch SUSE-SLE-SAP-12-SP2-2021-835=1
o SUSE Linux Enterprise Server 12-SP3-LTSS:
zypper in -t patch SUSE-SLE-SERVER-12-SP3-2021-828=1
o SUSE Linux Enterprise Server 12-SP2-LTSS:
zypper in -t patch SUSE-SLE-SERVER-12-SP2-2021-835=1
Package List:
o SUSE Linux Enterprise Server for SAP 12-SP3 (ppc64le x86_64):
kgraft-patch-4_4_180-94_138-default-2-2.2
kgraft-patch-4_4_180-94_138-default-debuginfo-2-2.2
o SUSE Linux Enterprise Server for SAP 12-SP2 (ppc64le x86_64):
kgraft-patch-4_4_121-92_149-default-2-2.2
o SUSE Linux Enterprise Server 12-SP3-LTSS (ppc64le x86_64):
kgraft-patch-4_4_180-94_138-default-2-2.2
kgraft-patch-4_4_180-94_138-default-debuginfo-2-2.2
o SUSE Linux Enterprise Server 12-SP2-LTSS (ppc64le x86_64):
kgraft-patch-4_4_121-92_149-default-2-2.2
References:
o https://www.suse.com/security/cve/CVE-2020-0429.html
o https://www.suse.com/security/cve/CVE-2020-1749.html
o https://www.suse.com/security/cve/CVE-2020-25645.html
o https://www.suse.com/security/cve/CVE-2020-27786.html
o https://www.suse.com/security/cve/CVE-2020-28374.html
o https://bugzilla.suse.com/1165631
o https://bugzilla.suse.com/1176931
o https://bugzilla.suse.com/1177513
o https://bugzilla.suse.com/1178684
o https://bugzilla.suse.com/1179616
- --------------------------------------------------------------------------------
SUSE Security Update: Security update for the Linux Kernel (Live Patch 13 for
SLE 12 SP4)
______________________________________________________________________________
Announcement ID: SUSE-SU-2021:0826-1
Rating: important
References: #1178684 #1179616 #1179664 #1181553 #1182468
Cross-References: CVE-2020-27786 CVE-2020-28374 CVE-2020-29368 CVE-2021-3347
Affected Products:
SUSE Linux Enterprise Live Patching 12-SP4
______________________________________________________________________________
An update that solves four vulnerabilities and has one errata is now available.
Description:
This update for the Linux Kernel 4.12.14-95_51 fixes several issues.
The following security issues were fixed:
o CVE-2020-29368: Fixed an issue in copy-on-write implementation which could
have granted unintended write access because of a race condition in a THP
mapcount check (bsc#1179664).
o Fixed an issue where NFS client filesystems got unmounted on fail-over (bsc
#1182468).
o CVE-2021-3347: Fixed a use-after-free in the PI futexes during fault
handling, allowing local users to execute code in the kernel (bsc#1181553).
o CVE-2020-27786: Fixed a potential user after free which could have led to
memory corruption or privilege escalation (bsc#1179616).
o CVE-2020-28374: Fixed insufficient identifier checking in the LIO SCSI
target code which could have been used by remote attackers to read or write
files via directory traversal in an XCOPY request (bsc#1178684).
Patch Instructions:
To install this SUSE Security Update use the SUSE recommended installation
methods like YaST online_update or "zypper patch".
Alternatively you can run the command listed for your product:
o SUSE Linux Enterprise Live Patching 12-SP4:
zypper in -t patch SUSE-SLE-Live-Patching-12-SP4-2021-826=1
SUSE-SLE-Live-Patching-12-SP4-2021-827=1
Package List:
o SUSE Linux Enterprise Live Patching 12-SP4 (ppc64le s390x x86_64):
kgraft-patch-4_12_14-95_51-default-9-2.2
o SUSE Linux Enterprise Live Patching 12-SP4 (ppc64le x86_64):
kgraft-patch-4_12_14-95_48-default-10-2.2
References:
o https://www.suse.com/security/cve/CVE-2020-27786.html
o https://www.suse.com/security/cve/CVE-2020-28374.html
o https://www.suse.com/security/cve/CVE-2020-29368.html
o https://www.suse.com/security/cve/CVE-2021-3347.html
o https://bugzilla.suse.com/1178684
o https://bugzilla.suse.com/1179616
o https://bugzilla.suse.com/1179664
o https://bugzilla.suse.com/1181553
o https://bugzilla.suse.com/1182468
- --------------------------------------------------------------------------------
SUSE Security Update: Security update for the Linux Kernel (Live Patch 10 for
SLE 15 SP2)
______________________________________________________________________________
Announcement ID: SUSE-SU-2021:0869-1
Rating: important
References: #1179664 #1179779
Cross-References: CVE-2020-29368 CVE-2020-29373
Affected Products:
SUSE Linux Enterprise Module for Live Patching 15-SP2
______________________________________________________________________________
An update that fixes two vulnerabilities is now available.
Description:
This update for the Linux Kernel 5.3.18-24_49 fixes several issues.
The following security issues were fixed:
o CVE-2020-29368: Fixed an issue in copy-on-write implementation which could
have granted unintended write access because of a race condition in a THP
mapcount check (bsc#1179664).
o CVE-2020-29373: Fixed an issue where kernel unsafely handles the root
directory during path lookups, and thus a process inside a mount namespace
could escape to unintended filesystem locations (bsc#1179779).
Patch Instructions:
To install this SUSE Security Update use the SUSE recommended installation
methods like YaST online_update or "zypper patch".
Alternatively you can run the command listed for your product:
o SUSE Linux Enterprise Module for Live Patching 15-SP2:
zypper in -t patch SUSE-SLE-Module-Live-Patching-15-SP2-2021-869=1
Package List:
o SUSE Linux Enterprise Module for Live Patching 15-SP2 (ppc64le s390x
x86_64):
kernel-livepatch-5_3_18-24_49-default-2-2.2
kernel-livepatch-5_3_18-24_49-default-debuginfo-2-2.2
kernel-livepatch-SLE15-SP2_Update_10-debugsource-2-2.2
References:
o https://www.suse.com/security/cve/CVE-2020-29368.html
o https://www.suse.com/security/cve/CVE-2020-29373.html
o https://bugzilla.suse.com/1179664
o https://bugzilla.suse.com/1179779
- --------------------------------------------------------------------------------
SUSE Security Update: Security update for the Linux Kernel (Live
______________________________________________________________________________
Announcement ID: SUSE-SU-2021:0841-1
Rating: important
References: #1178684 #1179664 #1181553
Cross-References: CVE-2020-28374 CVE-2020-29368 CVE-2021-3347
Affected Products:
SUSE Linux Enterprise Module for Live Patching 15-SP2
______________________________________________________________________________
Patch 8 for
SLE 15 SP2)
An update that fixes three vulnerabilities is now available.
Description:
This update for the Linux Kernel 5.3.18-24_43 fixes several issues.
The following security issues were fixed:
o CVE-2020-29368: Fixed an issue in copy-on-write implementation which could
have granted unintended write access because of a race condition in a THP
mapcount check (bsc#1179664).
o CVE-2021-3347: Fixed a use-after-free in the PI futexes during fault
handling, allowing local users to execute code in the kernel (bsc#1181553).
o CVE-2020-28374: Fixed insufficient identifier checking in the LIO SCSI
target code which could have been used by remote attackers to read or write
files via directory traversal in an XCOPY request (bsc#1178684).
Patch Instructions:
To install this SUSE Security Update use the SUSE recommended installation
methods like YaST online_update or "zypper patch".
Alternatively you can run the command listed for your product:
o SUSE Linux Enterprise Module for Live Patching 15-SP2:
zypper in -t patch SUSE-SLE-Module-Live-Patching-15-SP2-2021-841=1
Package List:
o SUSE Linux Enterprise Module for Live Patching 15-SP2 (ppc64le s390x
x86_64):
kernel-livepatch-5_3_18-24_43-default-3-2.2
kernel-livepatch-5_3_18-24_43-default-debuginfo-3-2.2
kernel-livepatch-SLE15-SP2_Update_8-debugsource-3-2.2
References:
o https://www.suse.com/security/cve/CVE-2020-28374.html
o https://www.suse.com/security/cve/CVE-2020-29368.html
o https://www.suse.com/security/cve/CVE-2021-3347.html
o https://bugzilla.suse.com/1178684
o https://bugzilla.suse.com/1179664
o https://bugzilla.suse.com/1181553
- --------------------------------------------------------------------------------
SUSE Security Update: Security update for the Linux Kernel (Live
______________________________________________________________________________
Announcement ID: SUSE-SU-2021:0840-1
Rating: important
References: #1179664 #1181553
Cross-References: CVE-2020-29368 CVE-2021-3347
Affected Products:
SUSE Linux Enterprise Module for Live Patching 15-SP2
______________________________________________________________________________
Patch 9 for
SLE 15 SP2)
An update that fixes two vulnerabilities is now available.
Description:
This update for the Linux Kernel 5.3.18-24_46 fixes several issues.
The following security issues were fixed:
o CVE-2020-29368: Fixed an issue in copy-on-write implementation which could
have granted unintended write access because of a race condition in a THP
mapcount check (bsc#1179664).
o CVE-2021-3347: Fixed a use-after-free in the PI futexes during fault
handling, allowing local users to execute code in the kernel (bsc#1181553).
Patch Instructions:
To install this SUSE Security Update use the SUSE recommended installation
methods like YaST online_update or "zypper patch".
Alternatively you can run the command listed for your product:
o SUSE Linux Enterprise Module for Live Patching 15-SP2:
zypper in -t patch SUSE-SLE-Module-Live-Patching-15-SP2-2021-840=1
Package List:
o SUSE Linux Enterprise Module for Live Patching 15-SP2 (ppc64le s390x
x86_64):
kernel-livepatch-5_3_18-24_46-default-3-2.2
kernel-livepatch-5_3_18-24_46-default-debuginfo-3-2.2
kernel-livepatch-SLE15-SP2_Update_9-debugsource-3-2.2
References:
o https://www.suse.com/security/cve/CVE-2020-29368.html
o https://www.suse.com/security/cve/CVE-2021-3347.html
o https://bugzilla.suse.com/1179664
o https://bugzilla.suse.com/1181553
- --------------------------------------------------------------------------------
SUSE Security Update: Security update for the Linux Kernel (Live Patch 15 for
SLE 12 SP5)
______________________________________________________________________________
Announcement ID: SUSE-SU-2021:0808-1
Rating: important
References: #1179616 #1179664
Cross-References: CVE-2020-27786 CVE-2020-29368
Affected Products:
SUSE Linux Enterprise Live Patching 12-SP5
______________________________________________________________________________
An update that fixes two vulnerabilities is now available.
Description:
This update for the Linux Kernel 4.12.14-122_60 fixes several issues.
The following security issues were fixed:
o CVE-2020-29368: Fixed an issue in copy-on-write implementation which could
have granted unintended write access because of a race condition in a THP
mapcount check (bsc#1179664).
o CVE-2020-27786: Fixed a potential user after free which could have led to
memory corruption or privilege escalation (bsc#1179616).
Patch Instructions:
To install this SUSE Security Update use the SUSE recommended installation
methods like YaST online_update or "zypper patch".
Alternatively you can run the command listed for your product:
o SUSE Linux Enterprise Live Patching 12-SP5:
zypper in -t patch SUSE-SLE-Live-Patching-12-SP5-2021-808=1
Package List:
o SUSE Linux Enterprise Live Patching 12-SP5 (ppc64le s390x x86_64):
kgraft-patch-4_12_14-122_60-default-2-2.2
References:
o https://www.suse.com/security/cve/CVE-2020-27786.html
o https://www.suse.com/security/cve/CVE-2020-29368.html
o https://bugzilla.suse.com/1179616
o https://bugzilla.suse.com/1179664
- --------------------------END INCLUDED TEXT--------------------
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The post ESB-2021.0955 – [SUSE] linux kernel: Multiple vulnerabilities appeared first on Malware Devil.
https://malwaredevil.com/2021/03/18/esb-2021-0955-suse-linux-kernel-multiple-vulnerabilities/?utm_source=rss&utm_medium=rss&utm_campaign=esb-2021-0955-suse-linux-kernel-multiple-vulnerabilities
