Security update for the Linux Kernel (Live Patch 1 for SLE 15 SP4)

Announcement ID: SUSE-SU-2022:4035-1
Rating: important
References:
Cross-References:
CVSS scores:
  • CVE-2021-33655 ( SUSE ): 7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
  • CVE-2021-33655 ( NVD ): 6.7 CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
  • CVE-2022-1882 ( SUSE ): 8.4 CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
  • CVE-2022-1882 ( NVD ): 7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
  • CVE-2022-2588 ( SUSE ): 7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
  • CVE-2022-2588 ( NVD ): 7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
  • CVE-2022-42703 ( SUSE ): 7.0 CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
  • CVE-2022-42703 ( NVD ): 5.5 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
  • CVE-2022-42722 ( SUSE ): 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
  • CVE-2022-42722 ( NVD ): 5.5 CVSS:3.1/AV:L/AC:L/PR:L/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 five vulnerabilities can now be installed.

Description:

This update for the Linux Kernel 5.14.21-150400_24_11 fixes several issues.

The following security issues were fixed:

  • CVE-2021-33655: Fixed out of bounds write with ioctl FBIOPUT_VSCREENINFO (bnc#1201635).
  • 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 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-SP4-2022-4035=1

Package List:

  • SUSE Linux Enterprise Live Patching 15-SP4 (ppc64le s390x x86_64)
    • kernel-livepatch-SLE15-SP4_Update_1-debugsource-5-150400.2.1
    • kernel-livepatch-5_14_21-150400_24_11-default-5-150400.2.1
    • kernel-livepatch-5_14_21-150400_24_11-default-debuginfo-5-150400.2.1

References: