Security update for the Linux Kernel (Live Patch 14 for SLE 12 SP5)

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:

  • 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: