SUSE-SU-2023:4510-1: important: Security update for ucode-intel

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

# Security update for ucode-intel

Announcement ID: SUSE-SU-2023:4510-1  
Rating: important  
References:

  * bsc#1215278

  
Cross-References:

  * CVE-2023-23583

  
CVSS scores:

  * CVE-2023-23583 ( SUSE ):  8.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H

  
Affected Products:

  * SUSE CaaS Platform 4.0
  * SUSE Linux Enterprise High Performance Computing 15 SP1
  * SUSE Linux Enterprise High Performance Computing 15 SP1 LTSS 15-SP1
  * SUSE Linux Enterprise Server 15 SP1
  * SUSE Linux Enterprise Server 15 SP1 LTSS 15-SP1
  * SUSE Linux Enterprise Server for SAP Applications 15 SP1

  
  
An update that solves one vulnerability can now be installed.

## Description:

This update for ucode-intel fixes the following issues:

  * Updated to Intel CPU Microcode 20231114 release. (bsc#1215278)
  * CVE-2023-23583: Fixed potential CPU deadlocks or privilege escalation.
    (bsc#1215278)

## 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 SP1 LTSS 15-SP1  
    zypper in -t patch SUSE-SLE-Product-HPC-15-SP1-LTSS-2023-4510=1

  * SUSE Linux Enterprise Server 15 SP1 LTSS 15-SP1  
    zypper in -t patch SUSE-SLE-Product-SLES-15-SP1-LTSS-2023-4510=1

  * SUSE Linux Enterprise Server for SAP Applications 15 SP1  
    zypper in -t patch SUSE-SLE-Product-SLES_SAP-15-SP1-2023-4510=1

  * SUSE CaaS Platform 4.0  
To install this update, use the SUSE CaaS Platform 'skuba' tool. It will inform
you if it detects new updates and let you then trigger updating of the complete
cluster in a controlled way.

## Package List:

  * SUSE Linux Enterprise High Performance Computing 15 SP1 LTSS 15-SP1 (x86_64)
    * ucode-intel-20231114-150100.3.231.1
  * SUSE Linux Enterprise Server 15 SP1 LTSS 15-SP1 (x86_64)
    * ucode-intel-20231114-150100.3.231.1
  * SUSE Linux Enterprise Server for SAP Applications 15 SP1 (x86_64)
    * ucode-intel-20231114-150100.3.231.1
  * SUSE CaaS Platform 4.0 (x86_64)
    * ucode-intel-20231114-150100.3.231.1

## References:

  * https://www.suse.com/security/cve/CVE-2023-23583.html
  * https://bugzilla.suse.com/show_bug.cgi?id=1215278

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