SUSE-SU-2023:2450-1: important: Security update for the Linux Kernel (Live Patch 32 for SLE 15 SP3)

[sle-security-updates at lists.suse.com]

# Security update for the Linux Kernel (Live Patch 32 for SLE 15 SP3)

Announcement ID: SUSE-SU-2023:2450-1  
Rating: important  
References:

  * #1207188

  
Cross-References:

  * CVE-2023-23454

  
CVSS scores:

  * CVE-2023-23454 ( SUSE ):  7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
  * CVE-2023-23454 ( NVD ):  5.5 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

  
Affected Products:

  * SUSE Linux Enterprise High Performance Computing 15 SP3
  * SUSE Linux Enterprise Live Patching 15-SP3
  * SUSE Linux Enterprise Micro 5.1
  * SUSE Linux Enterprise Micro 5.2
  * SUSE Linux Enterprise Server 15 SP3
  * SUSE Linux Enterprise Server for SAP Applications 15 SP3

  
  
An update that solves one vulnerability can now be installed.

## Description:

This update for the Linux Kernel 5.3.18-150300_59_121 fixes one issue.

The following security issue was fixed:

  * CVE-2023-23454: Fixed a type-confusion in the CBQ network scheduler
    (bsc#1207188).

## Patch Instructions:

To install this SUSE Important 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-SP3  
    zypper in -t patch SUSE-SLE-Module-Live-Patching-15-SP3-2023-2450=1

## Package List:

  * SUSE Linux Enterprise Live Patching 15-SP3 (ppc64le s390x x86_64)
    * kernel-livepatch-5_3_18-150300_59_121-default-2-150300.2.3

## References:

  * https://www.suse.com/security/cve/CVE-2023-23454.html
  * https://bugzilla.suse.com/show_bug.cgi?id=1207188

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