SUSE-SU-2026:23188-1: important: Security update for openvswitch

[SLE-UPDATES]

# Security update for openvswitch

Announcement ID: SUSE-SU-2026:23188-1  
Release Date: 2026-08-17T16:49:04Z  
Rating: important  
References:

  * bsc#1262498
  * bsc#1262499

  
Cross-References:

  * CVE-2025-0650
  * CVE-2026-5265
  * CVE-2026-5367

  
CVSS scores:

  * CVE-2025-0650 ( SUSE ):  9.2
    CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
  * CVE-2025-0650 ( SUSE ):  8.1 CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
  * CVE-2025-0650 ( NVD ):  8.1 CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
  * CVE-2026-5265 ( SUSE ):  7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
  * CVE-2026-5265 ( NVD ):  6.5 CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:H
  * CVE-2026-5367 ( SUSE ):  6.5 CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
  * CVE-2026-5367 ( NVD ):  8.6 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:N/A:N
  * CVE-2026-5367 ( NVD ):  8.6 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:N/A:N

  
Affected Products:

  * SUSE Linux Micro 6.1

  
  
An update that solves three vulnerabilities can now be installed.

## Description:

This update for openvswitch fixes the following issues:

  * CVE-2026-5265: heap over-read in ICMP error response generation
    (bsc#1262498).
  * CVE-2026-5367: heap over-read in OVN DHCPv6 client ID processing
    (bsc#1262499).

## 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 6.1  
    zypper in -t patch SUSE-SLE-Micro-6.1-673=1

## Package List:

  * SUSE Linux Micro 6.1 (aarch64 ppc64le s390x x86_64)
    * libopenvswitch-3_1-0-3.1.7-slfo.1.1_4.1
    * libopenvswitch-3_1-0-debuginfo-3.1.7-slfo.1.1_4.1
    * openvswitch-debugsource-3.1.7-slfo.1.1_4.1
    * openvswitch-3.1.7-slfo.1.1_4.1
    * openvswitch-debuginfo-3.1.7-slfo.1.1_4.1

## References:

  * https://www.suse.com/security/cve/CVE-2025-0650.html
  * https://www.suse.com/security/cve/CVE-2026-5265.html
  * https://www.suse.com/security/cve/CVE-2026-5367.html
  * https://bugzilla.suse.com/show_bug.cgi?id=1262498
  * https://bugzilla.suse.com/show_bug.cgi?id=1262499

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