SUSE-SU-2024:2202-1: important: Security update for the Linux Kernel (Live Patch 51 for SLE 12 SP5)

[SLE-SECURITY-UPDATES]

# Security update for the Linux Kernel (Live Patch 51 for SLE 12 SP5)

Announcement ID: SUSE-SU-2024:2202-1  
Rating: important  
References:

  * bsc#1218259
  * bsc#1220537
  * bsc#1223059

  
Cross-References:

  * CVE-2021-46955
  * CVE-2023-6931
  * CVE-2024-26852

  
CVSS scores:

  * CVE-2021-46955 ( SUSE ):  7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
  * CVE-2023-6931 ( SUSE ):  7.0 CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
  * CVE-2023-6931 ( NVD ):  7.0 CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
  * CVE-2024-26852 ( SUSE ):  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 three vulnerabilities can now be installed.

## Description:

This update for the Linux Kernel 4.12.14-122_186 fixes several issues.

The following security issues were fixed:

  * CVE-2021-46955: Fixed an out-of-bounds read with openvswitch, when
    fragmenting IPv4 packets (bsc#1220537).
  * CVE-2023-6931: Fixed an out of bounds write in the Performance Events
    subsystem when adding a new event (bsc#1218259).
  * CVE-2024-26852: Fixed use-after-free in ip6_route_mpath_notify()
    (bsc#1223059).

## 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-SP5-2024-2202=1

## Package List:

  * SUSE Linux Enterprise Live Patching 12-SP5 (ppc64le s390x x86_64)
    * kgraft-patch-4_12_14-122_186-default-8-2.1

## References:

  * https://www.suse.com/security/cve/CVE-2021-46955.html
  * https://www.suse.com/security/cve/CVE-2023-6931.html
  * https://www.suse.com/security/cve/CVE-2024-26852.html
  * https://bugzilla.suse.com/show_bug.cgi?id=1218259
  * https://bugzilla.suse.com/show_bug.cgi?id=1220537
  * https://bugzilla.suse.com/show_bug.cgi?id=1223059

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