Security update for ucode-intel

Announcement ID: SUSE-SU-2024:0917-1
Rating: moderate
References:
Cross-References:
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:
  • SUSE Linux Enterprise High Performance Computing 12 SP5
  • SUSE Linux Enterprise Server 12 SP5
  • SUSE Linux Enterprise Server for SAP Applications 12 SP5

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:

  • SUSE Linux Enterprise Server for SAP Applications 12 SP5
    zypper in -t patch SUSE-SLE-SERVER-12-SP5-2024-917=1
  • SUSE Linux Enterprise High Performance Computing 12 SP5
    zypper in -t patch SUSE-SLE-SERVER-12-SP5-2024-917=1
  • SUSE Linux Enterprise Server 12 SP5
    zypper in -t patch SUSE-SLE-SERVER-12-SP5-2024-917=1

Package List:

  • SUSE Linux Enterprise Server for SAP Applications 12 SP5 (x86_64)
    • ucode-intel-debuginfo-20240312-134.1
    • ucode-intel-debugsource-20240312-134.1
    • ucode-intel-20240312-134.1
  • SUSE Linux Enterprise High Performance Computing 12 SP5 (x86_64)
    • ucode-intel-debuginfo-20240312-134.1
    • ucode-intel-debugsource-20240312-134.1
    • ucode-intel-20240312-134.1
  • SUSE Linux Enterprise Server 12 SP5 (x86_64)
    • ucode-intel-debuginfo-20240312-134.1
    • ucode-intel-debugsource-20240312-134.1
    • ucode-intel-20240312-134.1

References: