SUSE-SU-2023:1940-1: important: Security update for ovmf

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

# Security update for ovmf

Announcement ID: SUSE-SU-2023:1940-1  
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 CaaS Platform 4.0
  * SUSE Linux Enterprise High Performance Computing 15 SP1
  * SUSE Linux Enterprise High Performance Computing 15 SP1 LTSS 15-SP1
  * SUSE Linux Enterprise Server 15 SP1
  * SUSE Linux Enterprise Server 15 SP1 LTSS 15-SP1
  * SUSE Linux Enterprise Server for SAP Applications 15 SP1

  
  
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 SP1 LTSS 15-SP1  
    zypper in -t patch SUSE-SLE-Product-HPC-15-SP1-LTSS-2023-1940=1

  * SUSE Linux Enterprise Server 15 SP1 LTSS 15-SP1  
    zypper in -t patch SUSE-SLE-Product-SLES-15-SP1-LTSS-2023-1940=1

  * SUSE Linux Enterprise Server for SAP Applications 15 SP1  
    zypper in -t patch SUSE-SLE-Product-SLES_SAP-15-SP1-2023-1940=1

  * SUSE CaaS Platform 4.0  
To install this update, use the SUSE CaaS Platform 'skuba' tool. It will inform
you if it detects new updates and let you then trigger updating of the complete
cluster in a controlled way.

## Package List:

  * SUSE Linux Enterprise High Performance Computing 15 SP1 LTSS 15-SP1 (aarch64
    x86_64)
    * ovmf-tools-2017+git1510945757.b2662641d5-150000.5.46.1
    * ovmf-2017+git1510945757.b2662641d5-150000.5.46.1
  * SUSE Linux Enterprise High Performance Computing 15 SP1 LTSS 15-SP1 (noarch)
    * qemu-ovmf-x86_64-2017+git1510945757.b2662641d5-150000.5.46.1
    * qemu-uefi-aarch64-2017+git1510945757.b2662641d5-150000.5.46.1
  * SUSE Linux Enterprise Server 15 SP1 LTSS 15-SP1 (aarch64 x86_64)
    * ovmf-tools-2017+git1510945757.b2662641d5-150000.5.46.1
    * ovmf-2017+git1510945757.b2662641d5-150000.5.46.1
  * SUSE Linux Enterprise Server 15 SP1 LTSS 15-SP1 (noarch)
    * qemu-ovmf-x86_64-2017+git1510945757.b2662641d5-150000.5.46.1
    * qemu-uefi-aarch64-2017+git1510945757.b2662641d5-150000.5.46.1
  * SUSE Linux Enterprise Server for SAP Applications 15 SP1 (x86_64)
    * ovmf-tools-2017+git1510945757.b2662641d5-150000.5.46.1
    * ovmf-2017+git1510945757.b2662641d5-150000.5.46.1
  * SUSE Linux Enterprise Server for SAP Applications 15 SP1 (noarch)
    * qemu-ovmf-x86_64-2017+git1510945757.b2662641d5-150000.5.46.1
  * SUSE CaaS Platform 4.0 (x86_64)
    * ovmf-tools-2017+git1510945757.b2662641d5-150000.5.46.1
    * ovmf-2017+git1510945757.b2662641d5-150000.5.46.1
  * SUSE CaaS Platform 4.0 (noarch)
    * qemu-ovmf-x86_64-2017+git1510945757.b2662641d5-150000.5.46.1

## 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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