SUSE-SU-2021:0864-1: important: Security update for the Linux Kernel (Live Patch 22 for SLE 15)

sle-security-updates at lists.suse.com sle-security-updates at lists.suse.com
Wed Mar 17 20:34:35 UTC 2021


   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
CVSS scores:
                    CVE-2020-29368 (NVD) : 7 CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
                    CVE-2020-29368 (SUSE): 7 CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H

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:

   - 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:

   - SUSE Linux Enterprise Module for Live Patching 15-SP1:

      zypper in -t patch SUSE-SLE-Module-Live-Patching-15-SP1-2021-850=1

   - SUSE Linux Enterprise Module for Live Patching 15:

      zypper in -t patch SUSE-SLE-Module-Live-Patching-15-2021-864=1

   - SUSE Linux Enterprise Live Patching 12-SP4:

      zypper in -t patch SUSE-SLE-Live-Patching-12-SP4-2021-821=1



Package List:

   - SUSE Linux Enterprise Module for Live Patching 15-SP1 (ppc64le x86_64):

      kernel-livepatch-4_12_14-197_83-default-2-2.2

   - 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

   - SUSE Linux Enterprise Live Patching 12-SP4 (ppc64le s390x x86_64):

      kgraft-patch-4_12_14-95_68-default-2-2.2


References:

   https://www.suse.com/security/cve/CVE-2020-29368.html
   https://bugzilla.suse.com/1179664



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