SUSE-SU-2026:20037-1: important: Security update for ovmf

[SLE-UPDATES]

# Security update for ovmf

Announcement ID: SUSE-SU-2026:20037-1  
Release Date: 2025-12-30T20:26:33Z  
Rating: important  
References:

  * bsc#1218879
  * bsc#1218880

  
Cross-References:

  * CVE-2023-45229
  * CVE-2023-45230

  
CVSS scores:

  * CVE-2023-45229 ( SUSE ):  6.5 CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
  * CVE-2023-45229 ( NVD ):  6.5 CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
  * CVE-2023-45229 ( NVD ):  6.5 CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
  * CVE-2023-45230 ( SUSE ):  8.3 CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:H
  * CVE-2023-45230 ( NVD ):  8.8 CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
  * CVE-2023-45230 ( NVD ):  8.3 CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:H

  
Affected Products:

  * SUSE Linux Micro 6.0

  
  
An update that solves two vulnerabilities can now be installed.

## Description:

This update for ovmf fixes the following issues:

  * CVE-2023-45229: integer underflow and out-of-bounds read when processing
    IA_NA/IA_TA options in a DHCPv6 Advertise message (bsc#1218879).
  * CVE-2023-45230: out-of-bounds write in the DHCPv6 client through a long
    Server ID option (bsc#1218880).

## 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 Micro 6.0  
    zypper in -t patch SUSE-SLE-Micro-6.0-544=1

## Package List:

  * SUSE Linux Micro 6.0 (noarch)
    * qemu-uefi-aarch64-202305-2.1
    * qemu-ovmf-x86_64-202305-2.1

## References:

  * https://www.suse.com/security/cve/CVE-2023-45229.html
  * https://www.suse.com/security/cve/CVE-2023-45230.html
  * https://bugzilla.suse.com/show_bug.cgi?id=1218879
  * https://bugzilla.suse.com/show_bug.cgi?id=1218880

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