# Security update for the Linux Kernel (Live Patch 42 for SLE 15 SP2)

Announcement ID: SUSE-SU-2024:1493-1  
Rating: important  
References:

  * bsc#1216644
  * bsc#1219079
  * bsc#1219435

  
Cross-References:

  * CVE-2023-5717
  * CVE-2024-0775
  * CVE-2024-1086

  
CVSS scores:

  * CVE-2023-5717 ( SUSE ):  7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
  * CVE-2023-5717 ( NVD ):  7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
  * CVE-2024-0775 ( SUSE ):  7.1 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H
  * CVE-2024-0775 ( NVD ):  7.1 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H
  * CVE-2024-1086 ( SUSE ):  7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
  * CVE-2024-1086 ( 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 High Performance Computing 15 SP2
  * SUSE Linux Enterprise Live Patching 15-SP2
  * SUSE Linux Enterprise Live Patching 12-SP5
  * SUSE Linux Enterprise Server 12 SP5
  * SUSE Linux Enterprise Server 15 SP2
  * SUSE Linux Enterprise Server for SAP Applications 12 SP5
  * SUSE Linux Enterprise Server for SAP Applications 15 SP2

  
  
An update that solves three vulnerabilities can now be installed.

## Description:

This update for the Linux Kernel 5.3.18-150200_24_169 fixes several issues.

The following security issues were fixed:

  * CVE-2024-0775: Fixed a use-after-free flaw was found in the __ext4_remount
    in fs/ext4/super.c in ext4 (bsc#1219079).
  * CVE-2023-5717: Fixed a heap out-of-bounds write vulnerability perf component
    (bsc#1216644).
  * CVE-2024-1086: Fixed a use-after-free vulnerability related to
    nft_verdict_init() (bsc#1219435).

## 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-SP5-2024-1493=1 SUSE-SLE-Live-
Patching-12-SP5-2024-1494=1

  * SUSE Linux Enterprise Live Patching 15-SP2  
    zypper in -t patch SUSE-SLE-Module-Live-Patching-15-SP2-2024-1495=1

## Package List:

  * SUSE Linux Enterprise Live Patching 12-SP5 (ppc64le s390x x86_64)
    * kgraft-patch-4_12_14-122_162-default-12-2.1
    * kgraft-patch-4_12_14-122_165-default-11-2.1
  * SUSE Linux Enterprise Live Patching 15-SP2 (ppc64le s390x x86_64)
    * kernel-livepatch-5_3_18-150200_24_169-default-8-150200.2.1
    * kernel-livepatch-SLE15-SP2_Update_42-debugsource-8-150200.2.1
    * kernel-livepatch-5_3_18-150200_24_169-default-debuginfo-8-150200.2.1

## References:

  * https://www.suse.com/security/cve/CVE-2023-5717.html
  * https://www.suse.com/security/cve/CVE-2024-0775.html
  * https://www.suse.com/security/cve/CVE-2024-1086.html
  * https://bugzilla.suse.com/show_bug.cgi?id=1216644
  * https://bugzilla.suse.com/show_bug.cgi?id=1219079
  * https://bugzilla.suse.com/show_bug.cgi?id=1219435