SUSE-SU-2023:1921-1: important: Security update for ovmf

[sle-security-updates at lists.suse.com]

# Security update for ovmf

Announcement ID: SUSE-SU-2023:1921-1  
Rating: important  
References:

  * #1174246
  * #1196741

  
Cross-References:

  * CVE-2019-14560
  * CVE-2021-38578

  
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 ):  9.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

  
Affected Products:

  * SUSE Enterprise Storage 7
  * SUSE Linux Enterprise High Performance Computing 15 SP2
  * SUSE Linux Enterprise High Performance Computing 15 SP2 LTSS 15-SP2
  * SUSE Linux Enterprise Server 15 SP2
  * SUSE Linux Enterprise Server 15 SP2 LTSS 15-SP2
  * SUSE Linux Enterprise Server for SAP Applications 15 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 Important 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 High Performance Computing 15 SP2 LTSS 15-SP2  
    zypper in -t patch SUSE-SLE-Product-HPC-15-SP2-LTSS-2023-1921=1

  * SUSE Linux Enterprise Server 15 SP2 LTSS 15-SP2  
    zypper in -t patch SUSE-SLE-Product-SLES-15-SP2-LTSS-2023-1921=1

  * SUSE Linux Enterprise Server for SAP Applications 15 SP2  
    zypper in -t patch SUSE-SLE-Product-SLES_SAP-15-SP2-2023-1921=1

  * SUSE Enterprise Storage 7  
    zypper in -t patch SUSE-Storage-7-2023-1921=1

## Package List:

  * SUSE Linux Enterprise High Performance Computing 15 SP2 LTSS 15-SP2 (aarch64
    x86_64)
    * ovmf-201911-150200.7.27.1
    * ovmf-tools-201911-150200.7.27.1
  * SUSE Linux Enterprise High Performance Computing 15 SP2 LTSS 15-SP2 (noarch)
    * qemu-uefi-aarch64-201911-150200.7.27.1
    * qemu-ovmf-x86_64-201911-150200.7.27.1
  * SUSE Linux Enterprise Server 15 SP2 LTSS 15-SP2 (aarch64 x86_64)
    * ovmf-201911-150200.7.27.1
    * ovmf-tools-201911-150200.7.27.1
  * SUSE Linux Enterprise Server 15 SP2 LTSS 15-SP2 (noarch)
    * qemu-uefi-aarch64-201911-150200.7.27.1
    * qemu-ovmf-x86_64-201911-150200.7.27.1
  * SUSE Linux Enterprise Server for SAP Applications 15 SP2 (x86_64)
    * ovmf-201911-150200.7.27.1
    * ovmf-tools-201911-150200.7.27.1
  * SUSE Linux Enterprise Server for SAP Applications 15 SP2 (noarch)
    * qemu-ovmf-x86_64-201911-150200.7.27.1
  * SUSE Enterprise Storage 7 (aarch64 x86_64)
    * ovmf-201911-150200.7.27.1
    * ovmf-tools-201911-150200.7.27.1
  * SUSE Enterprise Storage 7 (noarch)
    * qemu-uefi-aarch64-201911-150200.7.27.1
    * qemu-ovmf-x86_64-201911-150200.7.27.1

## References:

  * https://www.suse.com/security/cve/CVE-2019-14560.html
  * https://www.suse.com/security/cve/CVE-2021-38578.html
  * https://bugzilla.suse.com/show_bug.cgi?id=1174246
  * https://bugzilla.suse.com/show_bug.cgi?id=1196741

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