Security update for the Linux Kernel (Live Patch 5 for SLE 15 SP4)

Announcement ID: SUSE-SU-2022:4542-1
Rating: important
References:
Cross-References:
CVSS scores:
  • CVE-2021-39698 ( SUSE ): 7.4 CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
  • CVE-2021-39698 ( NVD ): 7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
  • CVE-2022-4139 ( SUSE ): 7.0 CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
  • CVE-2022-4139 ( NVD ): 7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
  • CVE-2022-4378 ( SUSE ): 8.4 CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
  • CVE-2022-4378 ( NVD ): 7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
  • CVE-2022-43945 ( SUSE ): 8.8 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
  • CVE-2022-43945 ( NVD ): 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Affected Products:
  • SUSE Linux Enterprise High Performance Computing 15 SP4
  • SUSE Linux Enterprise Live Patching 15-SP4
  • SUSE Linux Enterprise Micro 5.3
  • SUSE Linux Enterprise Micro 5.4
  • SUSE Linux Enterprise Real Time 15 SP4
  • SUSE Linux Enterprise Server 15 SP4
  • SUSE Linux Enterprise Server for SAP Applications 15 SP4

An update that solves four vulnerabilities can now be installed.

Description:

This update for the Linux Kernel 5.14.21-150400_24_33 fixes several issues.

The following security issues were fixed:

  • CVE-2022-43945: Fixed a buffer overflow in the NFSD implementation (bsc#1205128).
  • CVE-2022-4378: Fixed stack overflow in __do_proc_dointvec (bsc#1206207).
  • CVE-2022-4139: Fixed an issue with the i915 driver that allowed the GPU to access any physical memory (bsc#1205700).
  • CVE-2021-39698: Fixed a use-after-free in aio_poll_complete_work of aio.c (bsc#1196956).

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 15-SP4
    zypper in -t patch SUSE-SLE-Module-Live-Patching-15-SP4-2022-4542=1

Package List:

  • SUSE Linux Enterprise Live Patching 15-SP4 (ppc64le s390x x86_64)
    • kernel-livepatch-5_14_21-150400_24_33-default-debuginfo-2-150400.2.1
    • kernel-livepatch-SLE15-SP4_Update_5-debugsource-2-150400.2.1
    • kernel-livepatch-5_14_21-150400_24_33-default-2-150400.2.1

References: