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