Security update for ovmf

Announcement ID: SUSE-SU-2026:0196-1
Release Date: 2026-01-21T09:05:27Z
Rating: important
References:
Cross-References:
CVSS scores:
  • CVE-2023-45231 ( SUSE ): 6.5 CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
  • CVE-2023-45231 ( NVD ): 6.5 CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
  • CVE-2023-45231 ( NVD ): 6.5 CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
  • CVE-2023-45232 ( SUSE ): 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
  • CVE-2023-45232 ( NVD ): 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
  • CVE-2023-45232 ( NVD ): 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
  • CVE-2023-45233 ( SUSE ): 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
  • CVE-2023-45233 ( NVD ): 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
  • CVE-2023-45233 ( NVD ): 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
  • CVE-2023-45234 ( SUSE ): 8.3 CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:H
  • CVE-2023-45234 ( NVD ): 8.8 CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
  • CVE-2023-45234 ( NVD ): 8.3 CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:H
  • CVE-2023-45235 ( SUSE ): 8.3 CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:H
  • CVE-2023-45235 ( NVD ): 8.8 CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
  • CVE-2023-45235 ( NVD ): 8.3 CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:H
Affected Products:
  • SUSE Linux Enterprise High Performance Computing 12 SP5
  • SUSE Linux Enterprise Server 12 SP5
  • SUSE Linux Enterprise Server 12 SP5 LTSS
  • SUSE Linux Enterprise Server 12 SP5 LTSS Extended Security
  • SUSE Linux Enterprise Server for SAP Applications 12 SP5

An update that solves five vulnerabilities can now be installed.

Description:

This update for ovmf fixes the following issues:

  • CVE-2023-45231: Fixed out of bounds read when handling a ND Redirect message with truncated options (bsc#1218881).
  • CVE-2023-45232: Fixed infinite loop when parsing unknown options in the Destination Options header (bsc#1218882).
  • CVE-2023-45233: Fixed infinite loop when parsing a PadN option in the Destination Options header (bsc#1218883).
  • CVE-2023-45234: Fixed buffer overflow when processing DNS Servers option in a DHCPv6 Advertise message (bsc#1218884).
  • CVE-2023-45235: Fixed buffer overflow when handling Server ID option from a DHCPv6 proxy Advertise message (bsc#1218885).

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 12 SP5 LTSS
    zypper in -t patch SUSE-SLE-SERVER-12-SP5-LTSS-2026-196=1
  • SUSE Linux Enterprise Server 12 SP5 LTSS Extended Security
    zypper in -t patch SUSE-SLE-SERVER-12-SP5-LTSS-EXTENDED-SECURITY-2026-196=1

Package List:

  • SUSE Linux Enterprise Server 12 SP5 LTSS (aarch64 x86_64)
    • ovmf-2017+git1510945757.b2662641d5-3.55.1
    • ovmf-tools-2017+git1510945757.b2662641d5-3.55.1
  • SUSE Linux Enterprise Server 12 SP5 LTSS (noarch)
    • qemu-uefi-aarch64-2017+git1510945757.b2662641d5-3.55.1
    • qemu-ovmf-x86_64-2017+git1510945757.b2662641d5-3.55.1
  • SUSE Linux Enterprise Server 12 SP5 LTSS Extended Security (x86_64)
    • ovmf-2017+git1510945757.b2662641d5-3.55.1
    • ovmf-tools-2017+git1510945757.b2662641d5-3.55.1
  • SUSE Linux Enterprise Server 12 SP5 LTSS Extended Security (noarch)
    • qemu-ovmf-x86_64-2017+git1510945757.b2662641d5-3.55.1

References: