SUSE-SU-2025:20020-1: moderate: Security update for ucode-intel

Wed Jun 4 09:22:29 UTC 2025

# Security update for ucode-intel

Announcement ID: SUSE-SU-2025:20020-1  
Release Date: 2025-02-03T08:49:06Z  
Rating: moderate  
References:

  * bsc#1221323
  * bsc#1224277

Cross-References:

  * CVE-2023-22655
  * CVE-2023-28746
  * CVE-2023-38575
  * CVE-2023-39368
  * CVE-2023-43490
  * CVE-2023-45733
  * CVE-2023-45745
  * CVE-2023-46103
  * CVE-2023-47855

CVSS scores:

  * CVE-2023-22655 ( SUSE ):  6.1 CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:C/C:L/I:H/A:N
  * CVE-2023-28746 ( SUSE ):  6.5 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N
  * CVE-2023-28746 ( NVD ):  6.5 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N
  * CVE-2023-38575 ( SUSE ):  5.5 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
  * CVE-2023-39368 ( SUSE ):  6.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
  * CVE-2023-43490 ( SUSE ):  5.3 CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:C/C:H/I:N/A:N
  * CVE-2023-45733 ( SUSE ):  2.8 CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:L/I:N/A:N
  * CVE-2023-45745 ( SUSE ):  7.9 CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:N
  * CVE-2023-46103 ( SUSE ):  4.7 CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H
  * CVE-2023-47855 ( SUSE ):  6.0 CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:N

Affected Products:

  * SUSE Linux Micro 6.0

An update that solves nine vulnerabilities can now be installed.

## Description:

This update for ucode-intel fixes the following issues:

  * Intel CPU Microcode was updated to the 20240514 release (bsc#1224277)
  * CVE-2023-45733: Security updates for INTEL-SA-01051
  * CVE-2023-46103: Security updates for INTEL-SA-01052
  * CVE-2023-45745,CVE-2023-47855: Security updates for INTEL-SA-01036

  * Updated to Intel CPU Microcode 20240312 release. (bsc#1221323)

  * Security updates for INTEL-SA-INTEL-SA-00972
    * CVE-2023-39368: Protection mechanism failure of bus lock regulator for some Intel Processors may allow an unauthenticated user to potentially enable denial of service via network access
  * Security updates for INTEL-SA-INTEL-SA-00982
    * CVE-2023-38575: Non-transparent sharing of return predictor targets between contexts in some Intel Processors may allow an authorized user to potentially enable information disclosure via local access.
  * Security updates for INTEL-SA-INTEL-SA-00898
    * CVE-2023-28746: Information exposure through microarchitectural state after transient execution from some register files for some Intel Atom Processors may allow an authenticated user to potentially enable information disclosure via local access.
  * Security updates for INTEL-SA-INTEL-SA-00960
    * CVE-2023-22655 Protection mechanism failure in some 3rd and 4th Generation Intel Xeon Processors when using Intel SGX or Intel TDX may allow a privileged user to potentially enable escalation of privilege via local access.
  * Security updates for INTEL-SA-INTEL-SA-01045
    * CVE-2023-43490: Incorrect calculation in microcode keying mechanism for some Intel Xeon D Processors with Intel SGX may allow a privileged user to potentially enable information disclosure via local access.

## 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 6.0  
    zypper in -t patch SUSE-SLE-Micro-6.0-22=1

## Package List:

  * SUSE Linux Micro 6.0 (x86_64)
    * ucode-intel-20240813-1.1

## References:

  * https://www.suse.com/security/cve/CVE-2023-22655.html
  * https://www.suse.com/security/cve/CVE-2023-28746.html
  * https://www.suse.com/security/cve/CVE-2023-38575.html
  * https://www.suse.com/security/cve/CVE-2023-39368.html
  * https://www.suse.com/security/cve/CVE-2023-43490.html
  * https://www.suse.com/security/cve/CVE-2023-45733.html
  * https://www.suse.com/security/cve/CVE-2023-45745.html
  * https://www.suse.com/security/cve/CVE-2023-46103.html
  * https://www.suse.com/security/cve/CVE-2023-47855.html
  * https://bugzilla.suse.com/show_bug.cgi?id=1221323
  * https://bugzilla.suse.com/show_bug.cgi?id=1224277

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