# Security update for ucode-intel

Announcement ID: SUSE-SU-2024:1139-1  
Rating: moderate  
References:

  * bsc#1221323

  
Cross-References:

  * CVE-2023-22655
  * CVE-2023-28746
  * CVE-2023-38575
  * CVE-2023-39368
  * CVE-2023-43490

  
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-2023-38575 ( 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

  
Affected Products:

  * Basesystem Module 15-SP5
  * openSUSE Leap 15.5
  * openSUSE Leap Micro 5.3
  * openSUSE Leap Micro 5.4
  * SUSE Enterprise Storage 7.1
  * SUSE Linux Enterprise Desktop 15 SP4 LTSS 15-SP4
  * SUSE Linux Enterprise Desktop 15 SP5
  * SUSE Linux Enterprise High Performance Computing 15 SP2
  * SUSE Linux Enterprise High Performance Computing 15 SP2 LTSS 15-SP2
  * SUSE Linux Enterprise High Performance Computing 15 SP3
  * SUSE Linux Enterprise High Performance Computing 15 SP4
  * SUSE Linux Enterprise High Performance Computing 15 SP5
  * SUSE Linux Enterprise High Performance Computing ESPOS 15 SP4
  * SUSE Linux Enterprise High Performance Computing LTSS 15 SP3
  * SUSE Linux Enterprise High Performance Computing LTSS 15 SP4
  * SUSE Linux Enterprise Micro 5.1
  * SUSE Linux Enterprise Micro 5.2
  * SUSE Linux Enterprise Micro 5.3
  * SUSE Linux Enterprise Micro 5.4
  * SUSE Linux Enterprise Micro 5.5
  * SUSE Linux Enterprise Micro for Rancher 5.2
  * SUSE Linux Enterprise Micro for Rancher 5.3
  * SUSE Linux Enterprise Micro for Rancher 5.4
  * SUSE Linux Enterprise Real Time 15 SP5
  * SUSE Linux Enterprise Server 15 SP2
  * SUSE Linux Enterprise Server 15 SP2 LTSS 15-SP2
  * SUSE Linux Enterprise Server 15 SP3
  * SUSE Linux Enterprise Server 15 SP3 LTSS 15-SP3
  * SUSE Linux Enterprise Server 15 SP4
  * SUSE Linux Enterprise Server 15 SP4 LTSS 15-SP4
  * SUSE Linux Enterprise Server 15 SP5
  * SUSE Linux Enterprise Server for SAP Applications 15 SP2
  * SUSE Linux Enterprise Server for SAP Applications 15 SP3
  * SUSE Linux Enterprise Server for SAP Applications 15 SP4
  * SUSE Linux Enterprise Server for SAP Applications 15 SP5
  * SUSE Manager Proxy 4.3
  * SUSE Manager Retail Branch Server 4.3
  * SUSE Manager Server 4.3

  
  
An update that solves five vulnerabilities can now be installed.

## Description:

This update for ucode-intel fixes the following issues:

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

## 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:

  * openSUSE Leap Micro 5.3  
    zypper in -t patch openSUSE-Leap-Micro-5.3-2024-1139=1

  * openSUSE Leap Micro 5.4  
    zypper in -t patch openSUSE-Leap-Micro-5.4-2024-1139=1

  * openSUSE Leap 15.5  
    zypper in -t patch openSUSE-SLE-15.5-2024-1139=1

  * SUSE Linux Enterprise Micro for Rancher 5.3  
    zypper in -t patch SUSE-SLE-Micro-5.3-2024-1139=1

  * SUSE Linux Enterprise Micro 5.3  
    zypper in -t patch SUSE-SLE-Micro-5.3-2024-1139=1

  * SUSE Linux Enterprise Micro for Rancher 5.4  
    zypper in -t patch SUSE-SLE-Micro-5.4-2024-1139=1

  * SUSE Linux Enterprise Micro 5.4  
    zypper in -t patch SUSE-SLE-Micro-5.4-2024-1139=1

  * SUSE Linux Enterprise Micro 5.5  
    zypper in -t patch SUSE-SLE-Micro-5.5-2024-1139=1

  * Basesystem Module 15-SP5  
    zypper in -t patch SUSE-SLE-Module-Basesystem-15-SP5-2024-1139=1

  * SUSE Linux Enterprise High Performance Computing 15 SP2 LTSS 15-SP2  
    zypper in -t patch SUSE-SLE-Product-HPC-15-SP2-LTSS-2024-1139=1

  * SUSE Linux Enterprise High Performance Computing LTSS 15 SP3  
    zypper in -t patch SUSE-SLE-Product-HPC-15-SP3-LTSS-2024-1139=1

  * SUSE Linux Enterprise High Performance Computing ESPOS 15 SP4  
    zypper in -t patch SUSE-SLE-Product-HPC-15-SP4-ESPOS-2024-1139=1

  * SUSE Linux Enterprise High Performance Computing LTSS 15 SP4  
    zypper in -t patch SUSE-SLE-Product-HPC-15-SP4-LTSS-2024-1139=1

  * SUSE Linux Enterprise Desktop 15 SP4 LTSS 15-SP4  
    zypper in -t patch SUSE-SLE-Product-SLED-15-SP4-LTSS-2024-1139=1

  * SUSE Linux Enterprise Server 15 SP2 LTSS 15-SP2  
    zypper in -t patch SUSE-SLE-Product-SLES-15-SP2-LTSS-2024-1139=1

  * SUSE Linux Enterprise Server 15 SP3 LTSS 15-SP3  
    zypper in -t patch SUSE-SLE-Product-SLES-15-SP3-LTSS-2024-1139=1

  * SUSE Linux Enterprise Server 15 SP4 LTSS 15-SP4  
    zypper in -t patch SUSE-SLE-Product-SLES-15-SP4-LTSS-2024-1139=1

  * SUSE Linux Enterprise Server for SAP Applications 15 SP2  
    zypper in -t patch SUSE-SLE-Product-SLES_SAP-15-SP2-2024-1139=1

  * SUSE Linux Enterprise Server for SAP Applications 15 SP3  
    zypper in -t patch SUSE-SLE-Product-SLES_SAP-15-SP3-2024-1139=1

  * SUSE Linux Enterprise Server for SAP Applications 15 SP4  
    zypper in -t patch SUSE-SLE-Product-SLES_SAP-15-SP4-2024-1139=1

  * SUSE Manager Proxy 4.3  
    zypper in -t patch SUSE-SLE-Product-SUSE-Manager-Proxy-4.3-2024-1139=1

  * SUSE Manager Retail Branch Server 4.3  
    zypper in -t patch SUSE-SLE-Product-SUSE-Manager-Retail-Branch-
Server-4.3-2024-1139=1

  * SUSE Manager Server 4.3  
    zypper in -t patch SUSE-SLE-Product-SUSE-Manager-Server-4.3-2024-1139=1

  * SUSE Enterprise Storage 7.1  
    zypper in -t patch SUSE-Storage-7.1-2024-1139=1

  * SUSE Linux Enterprise Micro 5.1  
    zypper in -t patch SUSE-SUSE-MicroOS-5.1-2024-1139=1

  * SUSE Linux Enterprise Micro 5.2  
    zypper in -t patch SUSE-SUSE-MicroOS-5.2-2024-1139=1

  * SUSE Linux Enterprise Micro for Rancher 5.2  
    zypper in -t patch SUSE-SUSE-MicroOS-5.2-2024-1139=1

## Package List:

  * openSUSE Leap Micro 5.3 (x86_64)
    * ucode-intel-20240312-150200.38.1
  * openSUSE Leap Micro 5.4 (x86_64)
    * ucode-intel-20240312-150200.38.1
  * openSUSE Leap 15.5 (x86_64)
    * ucode-intel-20240312-150200.38.1
  * SUSE Linux Enterprise Micro for Rancher 5.3 (x86_64)
    * ucode-intel-20240312-150200.38.1
  * SUSE Linux Enterprise Micro 5.3 (x86_64)
    * ucode-intel-20240312-150200.38.1
  * SUSE Linux Enterprise Micro for Rancher 5.4 (x86_64)
    * ucode-intel-20240312-150200.38.1
  * SUSE Linux Enterprise Micro 5.4 (x86_64)
    * ucode-intel-20240312-150200.38.1
  * SUSE Linux Enterprise Micro 5.5 (x86_64)
    * ucode-intel-20240312-150200.38.1
  * Basesystem Module 15-SP5 (x86_64)
    * ucode-intel-20240312-150200.38.1
  * SUSE Linux Enterprise High Performance Computing 15 SP2 LTSS 15-SP2 (x86_64)
    * ucode-intel-20240312-150200.38.1
  * SUSE Linux Enterprise High Performance Computing LTSS 15 SP3 (x86_64)
    * ucode-intel-20240312-150200.38.1
  * SUSE Linux Enterprise High Performance Computing ESPOS 15 SP4 (x86_64)
    * ucode-intel-20240312-150200.38.1
  * SUSE Linux Enterprise High Performance Computing LTSS 15 SP4 (x86_64)
    * ucode-intel-20240312-150200.38.1
  * SUSE Linux Enterprise Desktop 15 SP4 LTSS 15-SP4 (x86_64)
    * ucode-intel-20240312-150200.38.1
  * SUSE Linux Enterprise Server 15 SP2 LTSS 15-SP2 (x86_64)
    * ucode-intel-20240312-150200.38.1
  * SUSE Linux Enterprise Server 15 SP3 LTSS 15-SP3 (x86_64)
    * ucode-intel-20240312-150200.38.1
  * SUSE Linux Enterprise Server 15 SP4 LTSS 15-SP4 (x86_64)
    * ucode-intel-20240312-150200.38.1
  * SUSE Linux Enterprise Server for SAP Applications 15 SP2 (x86_64)
    * ucode-intel-20240312-150200.38.1
  * SUSE Linux Enterprise Server for SAP Applications 15 SP3 (x86_64)
    * ucode-intel-20240312-150200.38.1
  * SUSE Linux Enterprise Server for SAP Applications 15 SP4 (x86_64)
    * ucode-intel-20240312-150200.38.1
  * SUSE Manager Proxy 4.3 (x86_64)
    * ucode-intel-20240312-150200.38.1
  * SUSE Manager Retail Branch Server 4.3 (x86_64)
    * ucode-intel-20240312-150200.38.1
  * SUSE Manager Server 4.3 (x86_64)
    * ucode-intel-20240312-150200.38.1
  * SUSE Enterprise Storage 7.1 (x86_64)
    * ucode-intel-20240312-150200.38.1
  * SUSE Linux Enterprise Micro 5.1 (x86_64)
    * ucode-intel-20240312-150200.38.1
  * SUSE Linux Enterprise Micro 5.2 (x86_64)
    * ucode-intel-20240312-150200.38.1
  * SUSE Linux Enterprise Micro for Rancher 5.2 (x86_64)
    * ucode-intel-20240312-150200.38.1

## 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://bugzilla.suse.com/show_bug.cgi?id=1221323