# Security update for the Linux Kernel (Live Patch 26 for SLE 15 SP4)

Announcement ID: SUSE-SU-2024:2449-1  
Rating: important  
References:

  * bsc#1223059
  * bsc#1223363
  * bsc#1223681
  * bsc#1223683

  
Cross-References:

  * CVE-2024-26828
  * CVE-2024-26852
  * CVE-2024-26923
  * CVE-2024-26930

  
CVSS scores:

  * CVE-2024-26828 ( SUSE ):  7.3 CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/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
  * CVE-2024-26923 ( SUSE ):  7.0 CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
  * CVE-2024-26930 ( SUSE ):  7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
  * CVE-2024-26930 ( 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 15.4
  * 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 four vulnerabilities can now be installed.

## Description:

This update for the Linux Kernel 5.14.21-150400_24_119 fixes several issues.

The following security issues were fixed:

  * CVE-2024-26923: Fixed false-positive lockdep splat for spin_lock() in
    __unix_gc() (bsc#1223683).
  * CVE-2024-26930: Fixed double free of the ha->vp_map pointer (bsc#1223681).
  * CVE-2024-26828: Fixed underflow in parse_server_interfaces() (bsc#1223363).
  * 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:

  * openSUSE Leap 15.4  
    zypper in -t patch SUSE-2024-2449=1

  * SUSE Linux Enterprise Live Patching 15-SP4  
    zypper in -t patch SUSE-SLE-Module-Live-Patching-15-SP4-2024-2449=1

## Package List:

  * openSUSE Leap 15.4 (ppc64le s390x x86_64)
    * kernel-livepatch-SLE15-SP4_Update_26-debugsource-3-150400.9.6.1
    * kernel-livepatch-5_14_21-150400_24_119-default-debuginfo-3-150400.9.6.1
    * kernel-livepatch-5_14_21-150400_24_119-default-3-150400.9.6.1
  * SUSE Linux Enterprise Live Patching 15-SP4 (ppc64le s390x x86_64)
    * kernel-livepatch-SLE15-SP4_Update_26-debugsource-3-150400.9.6.1
    * kernel-livepatch-5_14_21-150400_24_119-default-debuginfo-3-150400.9.6.1
    * kernel-livepatch-5_14_21-150400_24_119-default-3-150400.9.6.1

## References:

  * https://www.suse.com/security/cve/CVE-2024-26828.html
  * https://www.suse.com/security/cve/CVE-2024-26852.html
  * https://www.suse.com/security/cve/CVE-2024-26923.html
  * https://www.suse.com/security/cve/CVE-2024-26930.html
  * https://bugzilla.suse.com/show_bug.cgi?id=1223059
  * https://bugzilla.suse.com/show_bug.cgi?id=1223363
  * https://bugzilla.suse.com/show_bug.cgi?id=1223681
  * https://bugzilla.suse.com/show_bug.cgi?id=1223683