SUSE-SU-2024:1362-1: important: Security update for the Linux Kernel RT (Live Patch 10 for SLE 15 SP5)

[SLE-SECURITY-UPDATES]

# Security update for the Linux Kernel RT (Live Patch 10 for SLE 15 SP5)

Announcement ID: SUSE-SU-2024:1362-1  
Rating: important  
References:

  * bsc#1219296
  * bsc#1220828

  
Cross-References:

  * CVE-2023-52340
  * CVE-2024-26622

  
CVSS scores:

  * CVE-2023-52340 ( SUSE ):  7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
  * CVE-2024-26622 ( SUSE ):  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 15.5
  * SUSE Linux Enterprise High Performance Computing 15 SP5
  * SUSE Linux Enterprise Live Patching 15-SP5
  * SUSE Linux Enterprise Micro 5.5
  * SUSE Linux Enterprise Real Time 15 SP5
  * SUSE Linux Enterprise Server 15 SP5
  * SUSE Linux Enterprise Server for SAP Applications 15 SP5

  
  
An update that solves two vulnerabilities can now be installed.

## Description:

This update for the Linux Kernel 5.14.21-150500_13_35 fixes several issues.

The following security issues were fixed:

  * CVE-2024-26622: Fixed UAF write bug in tomoyo_write_control() (bsc#1220828).
  * CVE-2023-52340: Fixed ICMPv6 “Packet Too Big” packets force a DoS of the
    Linux kernel by forcing 100% CPU (bsc#1219296).

## 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 15.5  
    zypper in -t patch SUSE-2024-1362=1

  * SUSE Linux Enterprise Live Patching 15-SP5  
    zypper in -t patch SUSE-SLE-Module-Live-Patching-15-SP5-2024-1362=1

## Package List:

  * openSUSE Leap 15.5 (x86_64)
    * kernel-livepatch-5_14_21-150500_13_35-rt-debuginfo-3-150500.11.8.1
    * kernel-livepatch-5_14_21-150500_13_35-rt-3-150500.11.8.1
    * kernel-livepatch-SLE15-SP5-RT_Update_10-debugsource-3-150500.11.8.1
  * SUSE Linux Enterprise Live Patching 15-SP5 (x86_64)
    * kernel-livepatch-5_14_21-150500_13_35-rt-debuginfo-3-150500.11.8.1
    * kernel-livepatch-5_14_21-150500_13_35-rt-3-150500.11.8.1
    * kernel-livepatch-SLE15-SP5-RT_Update_10-debugsource-3-150500.11.8.1

## References:

  * https://www.suse.com/security/cve/CVE-2023-52340.html
  * https://www.suse.com/security/cve/CVE-2024-26622.html
  * https://bugzilla.suse.com/show_bug.cgi?id=1219296
  * https://bugzilla.suse.com/show_bug.cgi?id=1220828

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