# Security update for the Linux Kernel (Live Patch 1 for SLE 15 SP6)

Announcement ID: SUSE-SU-2024:3468-1  
Rating: important  
References:

  * bsc#1225099
  * bsc#1228349

  
Cross-References:

  * CVE-2023-52846
  * CVE-2024-40909

  
CVSS scores:

  * CVE-2023-52846 ( SUSE ):  7.0 CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
  * CVE-2024-40909 ( SUSE ):  7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
  * CVE-2024-40909 ( NVD ):  7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

  
Affected Products:

  * openSUSE Leap 15.6
  * SUSE Linux Enterprise Live Patching 15-SP6
  * SUSE Linux Enterprise Real Time 15 SP6
  * SUSE Linux Enterprise Server 15 SP6
  * SUSE Linux Enterprise Server for SAP Applications 15 SP6

  
  
An update that solves two vulnerabilities can now be installed.

## Description:

This update for the Linux Kernel 6.4.0-150600_23_5 fixes several issues.

The following security issues were fixed:

  * CVE-2024-40909: Fix a potential use-after-free in bpf_link_free()
    (bsc#1228349).
  * CVE-2023-52846: Prevent use after free in prp_create_tagged_frame()
    (bsc#1225099).

## 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-SP6  
    zypper in -t patch SUSE-SLE-Module-Live-Patching-15-SP6-2024-3468=1

  * openSUSE Leap 15.6  
    zypper in -t patch SUSE-2024-3468=1

## Package List:

  * SUSE Linux Enterprise Live Patching 15-SP6 (ppc64le s390x x86_64)
    * kernel-livepatch-6_4_0-150600_23_7-default-2-150600.2.1
    * kernel-livepatch-SLE15-SP6_Update_1-debugsource-2-150600.2.1
    * kernel-livepatch-6_4_0-150600_23_7-default-debuginfo-2-150600.2.1
  * openSUSE Leap 15.6 (ppc64le s390x x86_64)
    * kernel-livepatch-6_4_0-150600_23_7-default-2-150600.2.1
    * kernel-livepatch-SLE15-SP6_Update_1-debugsource-2-150600.2.1
    * kernel-livepatch-6_4_0-150600_23_7-default-debuginfo-2-150600.2.1

## References:

  * https://www.suse.com/security/cve/CVE-2023-52846.html
  * https://www.suse.com/security/cve/CVE-2024-40909.html
  * https://bugzilla.suse.com/show_bug.cgi?id=1225099
  * https://bugzilla.suse.com/show_bug.cgi?id=1228349