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openSUSE 2026-0290-1 openvswitch3 Important Denial of Service Fix

opensuse
Calendar Grey January 26, 2026
Dist Opensuse Esm H88
An important update for openvswitch3 in openSUSE resolves multiple issues including denial of service vulnerabilities.
An update that solves seven vulnerabilities can now be installed.

Description

This update for openvswitch3 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).

Topics%20covered

Topics Covered

security advisory denial of service important OpenSUSE openvswitch3 2026-0290-1

Patch

## 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 15.5

zypper in -t patch SUSE-2026-290=1

* openSUSE Leap 15.6

zypper in -t patch openSUSE-SLE-15.6-2026-290=1

* SUSE Linux Enterprise Micro 5.5

zypper in -t patch SUSE-SLE-Micro-5.5-2026-290=1

* SUSE Linux Enterprise High Performance Computing ESPOS 15 SP5

zypper in -t patch SUSE-SLE-Product-HPC-15-SP5-ESPOS-2026-290=1

* SUSE Linux Enterprise High Performance Computing LTSS 15 SP5

zypper in -t patch SUSE-SLE-Product-HPC-15-SP5-LTSS-2026-290=1

* SUSE Linux Enterprise Server 15 SP5 LTSS

zypper in -t patch SUSE-SLE-Product-SLES-15-SP5-LTSS-2026-290=1

* SUSE Linux Enterprise Server for SAP Applications 15 SP5

zypper in -t patch SUSE-SLE-Product-SLES_SAP-15-SP5-2026-290=1

Package List

* openSUSE Leap 15.5 (aarch64 ppc64le s390x x86_64 i586)

* libovn-23_03-0-23.03.3-150500.3.25.1

* ovn3-host-debuginfo-23.03.3-150500.3.25.1

* ovn3-vtep-23.03.3-150500.3.25.1

* ovn3-central-23.03.3-150500.3.25.1

* ovn3-docker-23.03.3-150500.3.25.1

* ovn3-central-debuginfo-23.03.3-150500.3.25.1

* openvswitch3-3.1.7-150500.3.25.1

* openvswitch3-test-debuginfo-3.1.7-150500.3.25.1

* ovn3-vtep-debuginfo-23.03.3-150500.3.25.1

* openvswitch3-pki-3.1.7-150500.3.25.1

* python3-ovs3-3.1.7-150500.3.25.1

* openvswitch3-ipsec-3.1.7-150500.3.25.1

* libopenvswitch-3_1-0-3.1.7-150500.3.25.1

* ovn3-devel-23.03.3-150500.3.25.1

* ovn3-host-23.03.3-150500.3.25.1

* openvswitch3-debugsource-3.1.7-150500.3.25.1

* openvswitch3-test-3.1.7-150500.3.25.1

* ovn3-23.03.3-150500.3.25.1

* openvswitch3-vtep-3.1.7-150500.3.25.1

* ovn3-debuginfo-23.03.3-150500.3.25.1

* libopenvswitch-3_1-0-debuginfo-3.1.7-150500.3.25.1

* openvswitch3-devel-3.1.7-150500.3.25.1

* openvswitch3-vtep-debuginfo-3.1.7-150500.3.25.1

*...

Read the Full Advisory

References

* bsc#1210054

* bsc#1212125

* bsc#1216002

* bsc#1219465

* bsc#1255435

## 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

Severity
important
Lowest
Low
Medium
High
Critical

Announcement ID: SUSE-SU-2026:0290-1
Release Date: 2026-01-26T10:34:27Z
Affected Products: * openSUSE Leap 15.5 * openSUSE Leap 15.6 * SUSE Linux Enterprise High Performance Computing 15 SP5 * SUSE Linux Enterprise High Performance Computing ESPOS 15 SP5 * SUSE Linux Enterprise High Performance Computing LTSS 15 SP5 * SUSE Linux Enterprise Micro 5.5 * SUSE Linux Enterprise Server 15 SP5 * SUSE Linux Enterprise Server 15 SP5 LTSS * SUSE Linux Enterprise Server for SAP Applications 15 SP5

Topics%20covered

Topics Covered

security advisory denial of service important OpenSUSE openvswitch3 2026-0290-1

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