Security update for the Linux Kernel (Live Patch 27 for SLE 12 SP4)

Announcement ID: SUSE-SU-2022:2445-1
Rating: important
References:
Cross-References:
CVSS scores:
  • CVE-2022-1729 ( SUSE ): 8.2 CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:H
  • CVE-2022-1729 ( NVD ): 7.0 CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
  • CVE-2022-20154 ( SUSE ): 7.0 CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
  • CVE-2022-20154 ( NVD ): 6.4 CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H
Affected Products:
  • SUSE Linux Enterprise High Performance Computing 12 SP4
  • SUSE Linux Enterprise Live Patching 12-SP4
  • SUSE Linux Enterprise Server 12 SP4
  • SUSE Linux Enterprise Server for SAP Applications 12 SP4

An update that solves two vulnerabilities can now be installed.

Description:

This update for the Linux Kernel 4.12.14-95_99 fixes several issues.

The following security issues were fixed:

  • CVE-2022-20154: Fixed a use after free due to a race condition in lock_sock_nested of sock.c. This could lead to local escalation of privilege with System execution privileges needed (bsc#1200599).
  • CVE-2022-1729: Fixed a sys_perf_event_open() race condition against self (bsc#1199507).

Patch Instructions:

To install this SUSE 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 Live Patching 12-SP4
    zypper in -t patch SUSE-SLE-Live-Patching-12-SP4-2022-2445=1

Package List:

  • SUSE Linux Enterprise Live Patching 12-SP4 (ppc64le s390x x86_64)
    • kgraft-patch-4_12_14-95_99-default-2-2.1

References: