SUSE-SU-2026:20758-1: moderate: Security update for ucode-intel

[SLE-SECURITY-UPDATES]

# Security update for ucode-intel

Announcement ID: SUSE-SU-2026:20758-1  
Release Date: 2026-03-19T09:31:38Z  
Rating: moderate  
References:

  * bsc#1229129
  * bsc#1230400
  * bsc#1249138
  * bsc#1253319
  * bsc#1258046

  
Cross-References:

  * CVE-2024-24853
  * CVE-2025-31648

  
CVSS scores:

  * CVE-2024-24853 ( SUSE ):  7.3
    CVSS:4.0/AV:L/AC:H/AT:P/PR:H/UI:P/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H
  * CVE-2024-24853 ( SUSE ):  7.2 CVSS:3.1/AV:L/AC:H/PR:H/UI:R/S:C/C:H/I:H/A:H
  * CVE-2025-31648 ( SUSE ):  1.8
    CVSS:4.0/AV:L/AC:H/AT:P/PR:H/UI:N/VC:L/VI:L/VA:N/SC:L/SI:L/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
  * CVE-2025-31648 ( SUSE ):  3.9 CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:C/C:L/I:L/A:N
  * CVE-2025-31648 ( NVD ):  1.8
    CVSS:4.0/AV:L/AC:H/AT:P/PR:H/UI:N/VC:L/VI:L/VA:N/SC:L/SI:L/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
  * CVE-2025-31648 ( NVD ):  3.9 CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:C/C:L/I:L/A:N

  
Affected Products:

  * SUSE Linux Micro 6.2

  
  
An update that solves two vulnerabilities and has three fixes can now be
installed.

## Description:

This update for ucode-intel fixes the following issues:

  * Intel CPU Microcode was updated to the 20260210 release (bsc#1258046):

  * CVE-2024-24853: Updated fix for incorrect behavior order in transition
    between executive monitor and SMI transfer monitor (STM) in some Intel(R)
    Processor may allow a privileged user to potentially enable escalation of
    privilege via local access (bsc#1229129).

  * CVE-2025-31648: Improper handling of values in the microcode flow for some
    Intel Processor Family may allow an escalation of privilege (bsc#1258046).

  * Intel CPU Microcode was updated to the 20251111 release (bsc#1253319):

  * Update for functional issues.

  * switch the supplements to use supplements + kernel to allow moving a
    installation to Intel hardware (bsc#1249138)

  * Intel CPU Microcode was updated to the 20241029 release (bsc#1230400):

  * Update for functional issues.

## 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 Micro 6.2  
    zypper in -t patch SUSE-SL-Micro-6.2-415=1

## Package List:

  * SUSE Linux Micro 6.2 (x86_64)
    * ucode-intel-20260210-160000.1.1

## References:

  * https://www.suse.com/security/cve/CVE-2024-24853.html
  * https://www.suse.com/security/cve/CVE-2025-31648.html
  * https://bugzilla.suse.com/show_bug.cgi?id=1229129
  * https://bugzilla.suse.com/show_bug.cgi?id=1230400
  * https://bugzilla.suse.com/show_bug.cgi?id=1249138
  * https://bugzilla.suse.com/show_bug.cgi?id=1253319
  * https://bugzilla.suse.com/show_bug.cgi?id=1258046

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