Security update for the Linux Kernel (Live Patch 2 for SLE 15 SP4)

SUSE Security Update: Security update for the Linux Kernel (Live Patch 2 for SLE 15 SP4)
Announcement ID: SUSE-SU-2022:4039-1
Rating: important
References: #1200058 #1203613 #1204170 #1204289
Cross-References:CVE-2022-1882 CVE-2022-2588 CVE-2022-42703 CVE-2022-42722
Affected Products:
  • SUSE Linux Enterprise High Performance Computing 15-SP4
  • SUSE Linux Enterprise Module for Live Patching 15-SP4
  • SUSE Linux Enterprise Server 15-SP4
  • SUSE Linux Enterprise Server for SAP Applications 15-SP4

An update that fixes four vulnerabilities is now available.

Description:

This update for the Linux Kernel 5.14.21-150400_24_18 fixes several issues.
The following security issues were fixed:

  • CVE-2022-1882: Fixed a use-after-free flaw in free_pipe_info() that could allow a local user to crash or potentially escalate their privileges on the system (bsc#1199904).
  • CVE-2022-2588: Fixed use-after-free in cls_route (bsc#1202096).
  • CVE-2022-42703: Fixed use-after-free in mm/rmap.c related to leaf anon_vma double reuse (bnc#1204168).
  • CVE-2022-42722: Fixed crash in beacon protection for P2P-device. (bsc#1204125)

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-SP4:
    zypper in -t patch SUSE-SLE-Module-Live-Patching-15-SP4-2022-4039=1

Package List:

  • SUSE Linux Enterprise Module for Live Patching 15-SP4 (ppc64le s390x x86_64):
    • kernel-livepatch-5_14_21-150400_24_18-default-5-150400.2.1
    • kernel-livepatch-5_14_21-150400_24_18-default-debuginfo-5-150400.2.1
    • kernel-livepatch-SLE15-SP4_Update_2-debugsource-5-150400.2.1

References: