Security update for the Linux Kernel (Live Patch 47 for SLE 12 SP5)

Announcement ID: SUSE-SU-2023:3748-1
Rating: important
References:
Cross-References:
CVSS scores:
  • CVE-2023-1829 ( SUSE ): 7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
  • CVE-2023-1829 ( NVD ): 7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
  • CVE-2023-3812 ( SUSE ): 7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
  • CVE-2023-3812 ( NVD ): 7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Affected Products:
  • SUSE Linux Enterprise High Performance Computing 12 SP5
  • SUSE Linux Enterprise Live Patching 12-SP5
  • SUSE Linux Enterprise Server 12 SP5
  • SUSE Linux Enterprise Server for SAP Applications 12 SP5

An update that solves two vulnerabilities can now be installed.

Description:

This update for the Linux Kernel 4.12.14-122_173 fixes several issues.

The following security issues were fixed:

  • CVE-2023-1829: Fixed a use-after-free vulnerability in the control index filter (tcindex) (bsc#1210619).
  • CVE-2023-3812: Fixed an out-of-bounds memory access flaw in the TUN/TAP device driver functionality that could allow a local user to crash or potentially escalate their privileges on the system (bsc#1213706).

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-SP5
    zypper in -t patch SUSE-SLE-Live-Patching-12-SP5-2023-3748=1

Package List:

  • SUSE Linux Enterprise Live Patching 12-SP5 (ppc64le s390x x86_64)
    • kgraft-patch-4_12_14-122_173-default-2-2.1

References: