SUSE-SU-2024:0429-1: important: Security update for the Linux Kernel (Live Patch 21 for SLE 15 SP4)

[SLE-UPDATES]

# Security update for the Linux Kernel (Live Patch 21 for SLE 15 SP4)

Announcement ID: SUSE-SU-2024:0429-1  
Rating: important  
References:

  * bsc#1218255

  
Cross-References:

  * CVE-2023-6932

  
CVSS scores:

  * CVE-2023-6932 ( SUSE ):  7.0 CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
  * CVE-2023-6932 ( NVD ):  7.0 CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H

  
Affected Products:

  * openSUSE Leap 15.4
  * 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 one vulnerability can now be installed.

## Description:

This update for the Linux Kernel 5.14.21-150400_24_100 fixes one issue.

The following security issue was fixed:

  * CVE-2023-6932: Fixed a use-after-free vulnerability in the ipv4 igmp
    component that could lead to local privilege escalation (bsc#1218255).

## 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-SP4-2024-429=1

  * openSUSE Leap 15.4  
    zypper in -t patch SUSE-2024-429=1

## Package List:

  * SUSE Linux Enterprise Live Patching 15-SP4 (ppc64le s390x x86_64)
    * kernel-livepatch-5_14_21-150400_24_100-default-2-150400.2.1
    * kernel-livepatch-SLE15-SP4_Update_21-debugsource-2-150400.2.1
    * kernel-livepatch-5_14_21-150400_24_100-default-debuginfo-2-150400.2.1
  * openSUSE Leap 15.4 (ppc64le s390x x86_64)
    * kernel-livepatch-5_14_21-150400_24_100-default-2-150400.2.1
    * kernel-livepatch-SLE15-SP4_Update_21-debugsource-2-150400.2.1
    * kernel-livepatch-5_14_21-150400_24_100-default-debuginfo-2-150400.2.1

## References:

  * https://www.suse.com/security/cve/CVE-2023-6932.html
  * https://bugzilla.suse.com/show_bug.cgi?id=1218255

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