# Security update for kernel-firmware

Announcement ID: SUSE-SU-2024:2944-1  
Rating: important  
References:

  * bsc#1229069

  
Cross-References:

  * CVE-2023-31315

  
CVSS scores:

  * CVE-2023-31315 ( SUSE ):  7.5 CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:C/C:H/I:H/A:H

  
Affected Products:

  * SUSE Linux Enterprise High Performance Computing 15 SP2
  * SUSE Linux Enterprise High Performance Computing 15 SP2 LTSS 15-SP2
  * SUSE Linux Enterprise Server 15 SP2
  * SUSE Linux Enterprise Server 15 SP2 LTSS 15-SP2
  * SUSE Linux Enterprise Server for SAP Applications 15 SP2

  
  
An update that solves one vulnerability can now be installed.

## Description:

This update for kernel-firmware fixes the following issues:

  * CVE-2023-31315: Fixed validation in a model specific register (MSR) that
    lead to modification of SMM configuration by malicious program with ring0
    access (bsc#1229069)

## Special Instructions and Notes:

  * Please reboot the system after installing this update.

## 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 High Performance Computing 15 SP2 LTSS 15-SP2  
    zypper in -t patch SUSE-SLE-Product-HPC-15-SP2-LTSS-2024-2944=1

  * SUSE Linux Enterprise Server 15 SP2 LTSS 15-SP2  
    zypper in -t patch SUSE-SLE-Product-SLES-15-SP2-LTSS-2024-2944=1

  * SUSE Linux Enterprise Server for SAP Applications 15 SP2  
    zypper in -t patch SUSE-SLE-Product-SLES_SAP-15-SP2-2024-2944=1

## Package List:

  * SUSE Linux Enterprise High Performance Computing 15 SP2 LTSS 15-SP2 (noarch)
    * ucode-amd-20200107-150100.3.43.1
    * kernel-firmware-20200107-150100.3.43.1
  * SUSE Linux Enterprise Server 15 SP2 LTSS 15-SP2 (noarch)
    * ucode-amd-20200107-150100.3.43.1
    * kernel-firmware-20200107-150100.3.43.1
  * SUSE Linux Enterprise Server for SAP Applications 15 SP2 (noarch)
    * ucode-amd-20200107-150100.3.43.1
    * kernel-firmware-20200107-150100.3.43.1

## References:

  * https://www.suse.com/security/cve/CVE-2023-31315.html
  * https://bugzilla.suse.com/show_bug.cgi?id=1229069