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AUSCERT External Security Bulletin Redistribution
ESB-2021.0528
Security update for the Linux Kernel (Live Patch 14 for SLE 12 SP5)
12 February 2021
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AusCERT Security Bulletin Summary
---------------------------------
Product: Linux Kernel
Publisher: SUSE
Operating System: SUSE
Impact/Access: Increased Privileges -- Existing Account
Denial of Service -- Existing Account
Access Confidential Data -- Existing Account
Unauthorised Access -- Existing Account
Reduced Security -- Existing Account
Resolution: Patch/Upgrade
CVE Names: CVE-2020-29569 CVE-2020-29368
Original Bulletin:
https://www.suse.com/support/update/announcement/2021/suse-su-20210386-1
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SUSE Security Update: Security update for the Linux Kernel (Live Patch 14 for
SLE 12 SP5)
______________________________________________________________________________
Announcement ID: SUSE-SU-2021:0386-1
Rating: important
References: #1179664 #1180008
Cross-References: CVE-2020-29368 CVE-2020-29569
Affected Products:
SUSE Linux Enterprise Module for Live Patching 15-SP1
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_57 fixes several issues.
The following security issues were fixed:
o CVE-2020-29569: Fixed a use after free due to a logic error (bsc#1180008).
o CVE-2020-29368: Fixed an issue in copy-on-write implementation which could
grant 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-SP1-2021-369=1
o SUSE Linux Enterprise Live Patching 12-SP5:
zypper in -t patch SUSE-SLE-Live-Patching-12-SP5-2021-386=1
Package List:
o SUSE Linux Enterprise Module for Live Patching 15-SP1 (ppc64le x86_64):
kernel-livepatch-4_12_14-197_78-default-2-2.1
o SUSE Linux Enterprise Live Patching 12-SP5 (ppc64le s390x x86_64):
kgraft-patch-4_12_14-122_57-default-2-2.1
References:
o https://www.suse.com/security/cve/CVE-2020-29368.html
o https://www.suse.com/security/cve/CVE-2020-29569.html
o https://bugzilla.suse.com/1179664
o https://bugzilla.suse.com/1180008
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