SUSE-SU-2023:2234-1: important: Security update for ovmf

[sle-updates at lists.suse.com]

# Security update for ovmf

Announcement ID: SUSE-SU-2023:2234-1  
Rating: important  
References:

  * #1174246
  * #1196741
  * #1205613

  
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:

  * openSUSE Leap 15.4
  * openSUSE Leap Micro 5.3
  * Server Applications Module 15-SP4
  * SUSE Linux Enterprise High Performance Computing 15 SP4
  * SUSE Linux Enterprise Micro 5.3
  * SUSE Linux Enterprise Micro 5.4
  * SUSE Linux Enterprise Micro for Rancher 5.3
  * SUSE Linux Enterprise Micro for Rancher 5.4
  * SUSE Linux Enterprise Real Time 15 SP4
  * SUSE Linux Enterprise Server 15 SP4
  * SUSE Linux Enterprise Server for SAP Applications 15 SP4
  * SUSE Manager Proxy 4.3
  * SUSE Manager Retail Branch Server 4.3
  * SUSE Manager Server 4.3

  
  
An update that solves two vulnerabilities and has one fix can now be installed.

## Description:

This update for ovmf fixes the following issues:

  * CVE-2021-38578: Fixed potential underflow in SmmEntryPointwhen computing
    BufferSize (bsc#1196741).
  * CVE-2019-14560: Fixed potential secure boot bypass caused by improper check
    of GetEfiGlobalVariable2() return value (bsc#1174246).
  * revert a patch to fix xen boot problems (bsc#1205613)

## 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:

  * openSUSE Leap Micro 5.3  
    zypper in -t patch openSUSE-Leap-Micro-5.3-2023-2234=1

  * openSUSE Leap 15.4  
    zypper in -t patch openSUSE-SLE-15.4-2023-2234=1

  * SUSE Linux Enterprise Micro for Rancher 5.3  
    zypper in -t patch SUSE-SLE-Micro-5.3-2023-2234=1

  * SUSE Linux Enterprise Micro 5.3  
    zypper in -t patch SUSE-SLE-Micro-5.3-2023-2234=1

  * SUSE Linux Enterprise Micro for Rancher 5.4  
    zypper in -t patch SUSE-SLE-Micro-5.4-2023-2234=1

  * SUSE Linux Enterprise Micro 5.4  
    zypper in -t patch SUSE-SLE-Micro-5.4-2023-2234=1

  * Server Applications Module 15-SP4  
    zypper in -t patch SUSE-SLE-Module-Server-Applications-15-SP4-2023-2234=1

## Package List:

  * openSUSE Leap Micro 5.3 (noarch)
    * qemu-ovmf-x86_64-202202-150400.5.10.1
    * qemu-uefi-aarch64-202202-150400.5.10.1
  * openSUSE Leap 15.4 (aarch64 x86_64)
    * ovmf-202202-150400.5.10.1
    * ovmf-tools-202202-150400.5.10.1
  * openSUSE Leap 15.4 (noarch)
    * qemu-ovmf-x86_64-202202-150400.5.10.1
    * qemu-uefi-aarch32-202202-150400.5.10.1
    * qemu-uefi-aarch64-202202-150400.5.10.1
    * qemu-ovmf-ia32-202202-150400.5.10.1
  * openSUSE Leap 15.4 (x86_64)
    * qemu-ovmf-x86_64-debug-202202-150400.5.10.1
  * SUSE Linux Enterprise Micro for Rancher 5.3 (noarch)
    * qemu-ovmf-x86_64-202202-150400.5.10.1
    * qemu-uefi-aarch64-202202-150400.5.10.1
  * SUSE Linux Enterprise Micro 5.3 (noarch)
    * qemu-ovmf-x86_64-202202-150400.5.10.1
    * qemu-uefi-aarch64-202202-150400.5.10.1
  * SUSE Linux Enterprise Micro for Rancher 5.4 (noarch)
    * qemu-ovmf-x86_64-202202-150400.5.10.1
    * qemu-uefi-aarch64-202202-150400.5.10.1
  * SUSE Linux Enterprise Micro 5.4 (noarch)
    * qemu-ovmf-x86_64-202202-150400.5.10.1
    * qemu-uefi-aarch64-202202-150400.5.10.1
  * Server Applications Module 15-SP4 (aarch64 x86_64)
    * ovmf-202202-150400.5.10.1
    * ovmf-tools-202202-150400.5.10.1
  * Server Applications Module 15-SP4 (noarch)
    * qemu-ovmf-x86_64-202202-150400.5.10.1
    * qemu-uefi-aarch64-202202-150400.5.10.1

## 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
  * https://bugzilla.suse.com/show_bug.cgi?id=1205613

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