SUSE alert SUSE-SU-2026:0280-1 (openvswitch)

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SUSE-SU-2026:0280-1: important: Security update for openvswitch
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Fri, 23 Jan 2026 20:35:32 -0000
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<176920053299.16867.6994324989933051109@smelt2.prg2.suse.org>
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Article


# Security update for openvswitch

Announcement ID: SUSE-SU-2026:0280-1  
Release Date: 2026-01-23T15:34:06Z  
Rating: important  
References:

  * bsc#1210054
  * bsc#1212125
  * bsc#1216002
  * bsc#1219465
  * bsc#1255435

  
Cross-References:

  * CVE-2023-1668
  * CVE-2023-3152
  * CVE-2023-3153
  * CVE-2023-3966
  * CVE-2023-5366
  * CVE-2024-2182
  * CVE-2025-0650

  
CVSS scores:

  * CVE-2023-1668 ( SUSE ):  6.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
  * CVE-2023-1668 ( NVD ):  8.2 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:H
  * CVE-2023-1668 ( NVD ):  8.2 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:H
  * CVE-2023-3152 ( NVD ):  8.8 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
  * CVE-2023-3152 ( NVD ):  6.3 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L
  * CVE-2023-3152 ( NVD ):  6.3 CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L
  * CVE-2023-3153 ( SUSE ):  5.3 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
  * CVE-2023-3153 ( NVD ):  5.3 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
  * CVE-2023-3966 ( SUSE ):  7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
  * CVE-2023-3966 ( NVD ):  7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
  * CVE-2023-3966 ( NVD ):  7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
  * CVE-2023-5366 ( SUSE ):  7.1 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:H
  * CVE-2023-5366 ( NVD ):  5.5 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N
  * CVE-2024-2182 ( SUSE ):  6.5 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
  * CVE-2024-2182 ( NVD ):  6.5 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
  * 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

  
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 seven vulnerabilities can now be installed.

## Description:

This update for openvswitch fixes the following issues:

Update to v3.1.7:

  * CVE-2023-3966: openvswitch, openvswitch3: Invalid memory access in Geneve
    with HW offload (bsc#1219465).
  * CVE-2024-2182: openvswitch: ov: insufficient validation of incoming BFD
    packets may lead to denial of service (bsc#1255435).
  * CVE-2023-1668: openvswitch: remote traffic denial of service via crafted
    packets with IP proto 0 (bsc#1210054).
  * CVE-2023-3153: openvswitch,openvswitch3: service monitor MAC flow is not
    rate limited (bsc#1212125).
  * CVE-2023-5366: openvswitch: missing masks on a final stage with ports trie
    (bsc#1216002).

## 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:

  * openSUSE Leap 15.6  
    zypper in -t patch SUSE-2026-280=1 openSUSE-SLE-15.6-2026-280=1

  * SUSE Linux Enterprise Server 15 SP6 LTSS  
    zypper in -t patch SUSE-SLE-Product-SLES-15-SP6-LTSS-2026-280=1

  * SUSE Linux Enterprise Server for SAP Applications 15 SP6  
    zypper in -t patch SUSE-SLE-Product-SLES_SAP-15-SP6-2026-280=1

## Package List:

  * openSUSE Leap 15.6 (aarch64 ppc64le s390x x86_64 i586)
    * openvswitch-ipsec-3.1.7-150600.33.9.1
    * openvswitch-pki-3.1.7-150600.33.9.1
    * ovn-23.03.3-150600.33.9.1
    * ovn-vtep-23.03.3-150600.33.9.1
    * ovn-host-debuginfo-23.03.3-150600.33.9.1
    * libovn-23_03-0-23.03.3-150600.33.9.1
    * ovn-host-23.03.3-150600.33.9.1
    * ovn-vtep-debuginfo-23.03.3-150600.33.9.1
    * openvswitch-test-debuginfo-3.1.7-150600.33.9.1
    * ovn-central-23.03.3-150600.33.9.1
    * openvswitch-3.1.7-150600.33.9.1
    * ovn-docker-23.03.3-150600.33.9.1
    * ovn-devel-23.03.3-150600.33.9.1
    * ovn-debuginfo-23.03.3-150600.33.9.1
    * libopenvswitch-3_1-0-3.1.7-150600.33.9.1
    * openvswitch-debugsource-3.1.7-150600.33.9.1
    * openvswitch-test-3.1.7-150600.33.9.1
    * openvswitch-vtep-debuginfo-3.1.7-150600.33.9.1
    * openvswitch-vtep-3.1.7-150600.33.9.1
    * ovn-central-debuginfo-23.03.3-150600.33.9.1
    * libovn-23_03-0-debuginfo-23.03.3-150600.33.9.1
    * libopenvswitch-3_1-0-debuginfo-3.1.7-150600.33.9.1
    * python3-ovs-3.1.7-150600.33.9.1
    * openvswitch-debuginfo-3.1.7-150600.33.9.1
    * openvswitch-devel-3.1.7-150600.33.9.1
  * openSUSE Leap 15.6 (noarch)
    * ovn-doc-23.03.3-150600.33.9.1
    * openvswitch-doc-3.1.7-150600.33.9.1
  * SUSE Linux Enterprise Server 15 SP6 LTSS (aarch64 ppc64le s390x x86_64)
    * openvswitch-ipsec-3.1.7-150600.33.9.1
    * openvswitch-pki-3.1.7-150600.33.9.1
    * ovn-23.03.3-150600.33.9.1
    * ovn-vtep-23.03.3-150600.33.9.1
    * ovn-host-debuginfo-23.03.3-150600.33.9.1
    * libovn-23_03-0-23.03.3-150600.33.9.1
    * ovn-host-23.03.3-150600.33.9.1
    * ovn-vtep-debuginfo-23.03.3-150600.33.9.1
    * openvswitch-test-debuginfo-3.1.7-150600.33.9.1
    * ovn-central-23.03.3-150600.33.9.1
    * openvswitch-3.1.7-150600.33.9.1
    * ovn-docker-23.03.3-150600.33.9.1
    * ovn-devel-23.03.3-150600.33.9.1
    * ovn-debuginfo-23.03.3-150600.33.9.1
    * libopenvswitch-3_1-0-3.1.7-150600.33.9.1
    * openvswitch-debugsource-3.1.7-150600.33.9.1
    * openvswitch-test-3.1.7-150600.33.9.1
    * openvswitch-vtep-debuginfo-3.1.7-150600.33.9.1
    * openvswitch-vtep-3.1.7-150600.33.9.1
    * ovn-central-debuginfo-23.03.3-150600.33.9.1
    * libovn-23_03-0-debuginfo-23.03.3-150600.33.9.1
    * libopenvswitch-3_1-0-debuginfo-3.1.7-150600.33.9.1
    * python3-ovs-3.1.7-150600.33.9.1
    * openvswitch-debuginfo-3.1.7-150600.33.9.1
    * openvswitch-devel-3.1.7-150600.33.9.1
  * SUSE Linux Enterprise Server for SAP Applications 15 SP6 (ppc64le x86_64)
    * openvswitch-ipsec-3.1.7-150600.33.9.1
    * openvswitch-pki-3.1.7-150600.33.9.1
    * ovn-23.03.3-150600.33.9.1
    * ovn-vtep-23.03.3-150600.33.9.1
    * ovn-host-debuginfo-23.03.3-150600.33.9.1
    * libovn-23_03-0-23.03.3-150600.33.9.1
    * ovn-host-23.03.3-150600.33.9.1
    * ovn-vtep-debuginfo-23.03.3-150600.33.9.1
    * openvswitch-test-debuginfo-3.1.7-150600.33.9.1
    * ovn-central-23.03.3-150600.33.9.1
    * openvswitch-3.1.7-150600.33.9.1
    * ovn-docker-23.03.3-150600.33.9.1
    * ovn-devel-23.03.3-150600.33.9.1
    * ovn-debuginfo-23.03.3-150600.33.9.1
    * libopenvswitch-3_1-0-3.1.7-150600.33.9.1
    * openvswitch-debugsource-3.1.7-150600.33.9.1
    * openvswitch-test-3.1.7-150600.33.9.1
    * openvswitch-vtep-debuginfo-3.1.7-150600.33.9.1
    * openvswitch-vtep-3.1.7-150600.33.9.1
    * ovn-central-debuginfo-23.03.3-150600.33.9.1
    * libovn-23_03-0-debuginfo-23.03.3-150600.33.9.1
    * libopenvswitch-3_1-0-debuginfo-3.1.7-150600.33.9.1
    * python3-ovs-3.1.7-150600.33.9.1
    * openvswitch-debuginfo-3.1.7-150600.33.9.1
    * openvswitch-devel-3.1.7-150600.33.9.1

## References:

  * https://www.suse.com/security/cve/CVE-2023-1668.html
  * https://www.suse.com/security/cve/CVE-2023-3152.html
  * https://www.suse.com/security/cve/CVE-2023-3153.html
  * https://www.suse.com/security/cve/CVE-2023-3966.html
  * https://www.suse.com/security/cve/CVE-2023-5366.html
  * https://www.suse.com/security/cve/CVE-2024-2182.html
  * https://www.suse.com/security/cve/CVE-2025-0650.html
  * https://bugzilla.suse.com/show_bug.cgi?id=1210054
  * https://bugzilla.suse.com/show_bug.cgi?id=1212125
  * https://bugzilla.suse.com/show_bug.cgi?id=1216002
  * https://bugzilla.suse.com/show_bug.cgi?id=1219465
  * https://bugzilla.suse.com/show_bug.cgi?id=1255435



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