Security update for ovmf

Announcement ID: SUSE-SU-2023:1968-1
Rating: important
References:
Cross-References:
CVSS scores:
  • CVE-2019-14560 ( SUSE ): 6.1 CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:C/C:N/I:H/A:L
  • CVE-2021-38578 ( SUSE ): 7.4 CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:C/C:H/I:H/A:L
  • CVE-2021-38578 ( NVD ): 10.0 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
Affected Products:
  • SUSE Linux Enterprise High Performance Computing 12 SP2
  • SUSE Linux Enterprise Server 12 SP2
  • SUSE Linux Enterprise Server 12 SP2 BCL 12-SP2

An update that solves two vulnerabilities can now be installed.

Description:

This update for ovmf fixes the following issues:

  • CVE-2019-14560: Fixed potential secure boot bypass via an improper check of GetEfiGlobalVariable2 (bsc#1174246).
  • CVE-2021-38578: Fixed underflow in MdeModulePkg/PiSmmCore SmmEntryPointAdd (bsc#1196741).

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 SP2 BCL 12-SP2
    zypper in -t patch SUSE-SLE-SERVER-12-SP2-BCL-2023-1968=1

Package List:

  • SUSE Linux Enterprise Server 12 SP2 BCL 12-SP2 (x86_64)
    • ovmf-tools-2015+git1462940744.321151f-19.26.1
    • ovmf-2015+git1462940744.321151f-19.26.1
  • SUSE Linux Enterprise Server 12 SP2 BCL 12-SP2 (noarch)
    • qemu-ovmf-x86_64-2015+git1462940744.321151f-19.26.1

References: