SUSE-SU-2021:0386-1: important: Security update for the Linux Kernel (Live Patch 14 for SLE 12 SP5)

[sle-security-updates at lists.suse.com]

   SUSE Security Update: Security update for the Linux Kernel (Live Patch 14 for SLE 12 SP5)
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Announcement ID:    SUSE-SU-2021:0386-1
Rating:             important
References:         #1179664 #1180008 
Cross-References:   CVE-2020-29368 CVE-2020-29569
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
                    CVE-2020-29569 (NVD) : 8.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
                    CVE-2020-29569 (SUSE): 8.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H

Affected Products:
                    SUSE Linux Enterprise Module for Live Patching 15-SP1
                    SUSE Linux Enterprise Live Patching 12-SP5
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   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:

   - CVE-2020-29569: Fixed a use after free due to a logic error
     (bsc#1180008).
   - 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:

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

      zypper in -t patch SUSE-SLE-Module-Live-Patching-15-SP1-2021-369=1

   - SUSE Linux Enterprise Live Patching 12-SP5:

      zypper in -t patch SUSE-SLE-Live-Patching-12-SP5-2021-386=1



Package List:

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

      kernel-livepatch-4_12_14-197_78-default-2-2.1

   - SUSE Linux Enterprise Live Patching 12-SP5 (ppc64le s390x x86_64):

      kgraft-patch-4_12_14-122_57-default-2-2.1


References:

   https://www.suse.com/security/cve/CVE-2020-29368.html
   https://www.suse.com/security/cve/CVE-2020-29569.html
   https://bugzilla.suse.com/1179664
   https://bugzilla.suse.com/1180008