SUSE-SU-2026:2475-1: important: Security update for openvswitch

[SLE-SECURITY-UPDATES]

# Security update for openvswitch

Announcement ID: SUSE-SU-2026:2475-1  
Release Date: 2026-06-22T08:23:52Z  
Rating: important  
References:

  * bsc#1262498
  * bsc#1262499

  
Cross-References:

  * CVE-2026-5265
  * CVE-2026-5367

  
CVSS scores:

  * 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

  
Affected Products:

  * openSUSE Leap 15.6
  * SUSE Linux Enterprise Server 15 SP6
  * SUSE Linux Enterprise Server 15 SP6 LTSS
  * SUSE Linux Enterprise Server for SAP Applications 15 SP6

  
  
An update that solves two 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 Enterprise Server 15 SP6 LTSS  
    zypper in -t patch SUSE-SLE-Product-SLES-15-SP6-LTSS-2026-2475=1

  * SUSE Linux Enterprise Server for SAP Applications 15 SP6  
    zypper in -t patch SUSE-SLE-Product-SLES_SAP-15-SP6-2026-2475=1

  * openSUSE Leap 15.6  
    zypper in -t patch SUSE-2026-2475=1

## Package List:

  * SUSE Linux Enterprise Server 15 SP6 LTSS (aarch64 ppc64le s390x x86_64)
    * libopenvswitch-3_1-0-3.1.7-150600.33.15.1
    * libopenvswitch-3_1-0-debuginfo-3.1.7-150600.33.15.1
    * ovn-docker-23.03.3-150600.33.15.1
    * ovn-central-debuginfo-23.03.3-150600.33.15.1
    * ovn-vtep-debuginfo-23.03.3-150600.33.15.1
    * ovn-devel-23.03.3-150600.33.15.1
    * python3-ovs-3.1.7-150600.33.15.1
    * ovn-debuginfo-23.03.3-150600.33.15.1
    * openvswitch-devel-3.1.7-150600.33.15.1
    * ovn-host-debuginfo-23.03.3-150600.33.15.1
    * openvswitch-3.1.7-150600.33.15.1
    * ovn-vtep-23.03.3-150600.33.15.1
    * openvswitch-ipsec-3.1.7-150600.33.15.1
    * openvswitch-vtep-debuginfo-3.1.7-150600.33.15.1
    * openvswitch-debugsource-3.1.7-150600.33.15.1
    * openvswitch-test-debuginfo-3.1.7-150600.33.15.1
    * libovn-23_03-0-23.03.3-150600.33.15.1
    * openvswitch-vtep-3.1.7-150600.33.15.1
    * ovn-host-23.03.3-150600.33.15.1
    * ovn-central-23.03.3-150600.33.15.1
    * ovn-23.03.3-150600.33.15.1
    * libovn-23_03-0-debuginfo-23.03.3-150600.33.15.1
    * openvswitch-debuginfo-3.1.7-150600.33.15.1
    * openvswitch-test-3.1.7-150600.33.15.1
    * openvswitch-pki-3.1.7-150600.33.15.1
  * openSUSE Leap 15.6 (aarch64 i586 ppc64le s390x x86_64)
    * libopenvswitch-3_1-0-3.1.7-150600.33.15.1
    * libopenvswitch-3_1-0-debuginfo-3.1.7-150600.33.15.1
    * ovn-docker-23.03.3-150600.33.15.1
    * ovn-central-debuginfo-23.03.3-150600.33.15.1
    * ovn-vtep-debuginfo-23.03.3-150600.33.15.1
    * ovn-devel-23.03.3-150600.33.15.1
    * python3-ovs-3.1.7-150600.33.15.1
    * ovn-debuginfo-23.03.3-150600.33.15.1
    * openvswitch-devel-3.1.7-150600.33.15.1
    * ovn-host-debuginfo-23.03.3-150600.33.15.1
    * openvswitch-3.1.7-150600.33.15.1
    * ovn-vtep-23.03.3-150600.33.15.1
    * openvswitch-ipsec-3.1.7-150600.33.15.1
    * openvswitch-vtep-debuginfo-3.1.7-150600.33.15.1
    * libovn-23_03-0-23.03.3-150600.33.15.1
    * openvswitch-debugsource-3.1.7-150600.33.15.1
    * openvswitch-test-debuginfo-3.1.7-150600.33.15.1
    * openvswitch-vtep-3.1.7-150600.33.15.1
    * ovn-host-23.03.3-150600.33.15.1
    * ovn-central-23.03.3-150600.33.15.1
    * libovn-23_03-0-debuginfo-23.03.3-150600.33.15.1
    * openvswitch-debuginfo-3.1.7-150600.33.15.1
    * ovn-23.03.3-150600.33.15.1
    * openvswitch-test-3.1.7-150600.33.15.1
    * openvswitch-pki-3.1.7-150600.33.15.1
  * openSUSE Leap 15.6 (noarch)
    * openvswitch-doc-3.1.7-150600.33.15.1
    * ovn-doc-23.03.3-150600.33.15.1
  * SUSE Linux Enterprise Server for SAP Applications 15 SP6 (ppc64le x86_64)
    * libopenvswitch-3_1-0-3.1.7-150600.33.15.1
    * libopenvswitch-3_1-0-debuginfo-3.1.7-150600.33.15.1
    * ovn-docker-23.03.3-150600.33.15.1
    * ovn-central-debuginfo-23.03.3-150600.33.15.1
    * ovn-vtep-debuginfo-23.03.3-150600.33.15.1
    * ovn-devel-23.03.3-150600.33.15.1
    * python3-ovs-3.1.7-150600.33.15.1
    * ovn-debuginfo-23.03.3-150600.33.15.1
    * openvswitch-devel-3.1.7-150600.33.15.1
    * ovn-host-debuginfo-23.03.3-150600.33.15.1
    * openvswitch-3.1.7-150600.33.15.1
    * ovn-vtep-23.03.3-150600.33.15.1
    * openvswitch-ipsec-3.1.7-150600.33.15.1
    * openvswitch-vtep-debuginfo-3.1.7-150600.33.15.1
    * libovn-23_03-0-23.03.3-150600.33.15.1
    * openvswitch-test-debuginfo-3.1.7-150600.33.15.1
    * openvswitch-debugsource-3.1.7-150600.33.15.1
    * openvswitch-vtep-3.1.7-150600.33.15.1
    * ovn-host-23.03.3-150600.33.15.1
    * ovn-central-23.03.3-150600.33.15.1
    * ovn-23.03.3-150600.33.15.1
    * openvswitch-debuginfo-3.1.7-150600.33.15.1
    * libovn-23_03-0-debuginfo-23.03.3-150600.33.15.1
    * openvswitch-test-3.1.7-150600.33.15.1
    * openvswitch-pki-3.1.7-150600.33.15.1

## References:

  * 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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