Security update for the Linux Kernel (Live Patch 4 for SLE 12 SP5)

SUSE Security Update: Security update for the Linux Kernel (Live Patch 4 for SLE 12 SP5)
Announcement ID: SUSE-SU-2020:2515-1
Rating: important
References: #1174186 #1174247
Cross-References:CVE-2020-14331 CVE-2020-15780
Affected Products:
  • SUSE Linux Enterprise Module for Live Patching 15-SP2
  • 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_20 fixes several issues.
The following security issues were fixed:

  • CVE-2020-14331: Fixed a buffer over-write in vgacon_scroll (bsc#1174247).
  • CVE-2020-15780: Fixed a lockdown bypass via injection of malicious ACPI tables via configfs (bsc#1174186).

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-SP2:
    zypper in -t patch SUSE-SLE-Module-Live-Patching-15-SP2-2020-2536=1
  • SUSE Linux Enterprise Module for Live Patching 15-SP1:
    zypper in -t patch SUSE-SLE-Module-Live-Patching-15-SP1-2020-2532=1
  • SUSE Linux Enterprise Live Patching 12-SP5:
    zypper in -t patch SUSE-SLE-Live-Patching-12-SP5-2020-2515=1

Package List:

  • SUSE Linux Enterprise Module for Live Patching 15-SP2 (ppc64le s390x x86_64):
    • kernel-livepatch-5_3_18-22-default-2-5.2
    • kernel-livepatch-5_3_18-22-default-debuginfo-2-5.2
    • kernel-livepatch-SLE15-SP2_Update_0-debugsource-2-5.2
  • SUSE Linux Enterprise Module for Live Patching 15-SP1 (ppc64le x86_64):
    • kernel-livepatch-4_12_14-197_40-default-4-2.2
  • SUSE Linux Enterprise Live Patching 12-SP5 (ppc64le s390x x86_64):
    • kgraft-patch-4_12_14-122_20-default-4-2.2

References: