Security update for ovmf

Announcement ID: SUSE-SU-2021:2117-1
Rating: important
References:
Cross-References:
CVSS scores:
  • CVE-2019-14584 ( SUSE ): 4.0 CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
  • CVE-2019-14584 ( NVD ): 7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
  • CVE-2021-28210 ( SUSE ): 5.1 CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:L/A:H
  • CVE-2021-28210 ( NVD ): 7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
  • CVE-2021-28211 ( SUSE ): 4.4 CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H
  • CVE-2021-28211 ( NVD ): 6.7 CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/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 three vulnerabilities and has one security fix can now be installed.

Description:

This update for ovmf fixes the following issues:

  • Fixed a possible buffer overflow in IScsiDxe (bsc#1186151)
  • CVE-2021-28211: ovmf: edk2: possible heap corruption with LzmaUefiDecompressGetInfo (bsc#1183578)
  • CVE-2021-28210: ovmf: unlimited FV recursion, round 2 (bsc#1183579)
  • CVE-2019-14584: ovmf,shim: NULL pointer dereference in AuthenticodeVerify() (bsc#1177789)

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-2021-2117=1

Package List:

  • SUSE Linux Enterprise Server 12 SP2 BCL 12-SP2 (x86_64)
    • ovmf-2015+git1462940744.321151f-19.23.1
    • ovmf-tools-2015+git1462940744.321151f-19.23.1
  • SUSE Linux Enterprise Server 12 SP2 BCL 12-SP2 (noarch)
    • qemu-ovmf-x86_64-2015+git1462940744.321151f-19.23.1

References: