<div class="container">
<h1>Security update for openvswitch</h1>
<table class="table table-striped table-bordered">
<tbody>
<tr>
<th>Announcement ID:</th>
<td>SUSE-SU-2026:0280-1</td>
</tr>
<tr>
<th>Release Date:</th>
<td>2026-01-23T15:34:06Z</td>
</tr>
<tr>
<th>Rating:</th>
<td>important</td>
</tr>
<tr>
<th>References:</th>
<td>
<ul>
<li style="display: inline;">
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1210054">bsc#1210054</a>
</li>
<li style="display: inline;">
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1212125">bsc#1212125</a>
</li>
<li style="display: inline;">
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1216002">bsc#1216002</a>
</li>
<li style="display: inline;">
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1219465">bsc#1219465</a>
</li>
<li style="display: inline;">
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1255435">bsc#1255435</a>
</li>
</ul>
</td>
</tr>
<tr>
<th>
Cross-References:
</th>
<td>
<ul>
<li style="display: inline;">
<a href="https://www.suse.com/security/cve/CVE-2023-1668.html">CVE-2023-1668</a>
</li>
<li style="display: inline;">
<a href="https://www.suse.com/security/cve/CVE-2023-3152.html">CVE-2023-3152</a>
</li>
<li style="display: inline;">
<a href="https://www.suse.com/security/cve/CVE-2023-3153.html">CVE-2023-3153</a>
</li>
<li style="display: inline;">
<a href="https://www.suse.com/security/cve/CVE-2023-3966.html">CVE-2023-3966</a>
</li>
<li style="display: inline;">
<a href="https://www.suse.com/security/cve/CVE-2023-5366.html">CVE-2023-5366</a>
</li>
<li style="display: inline;">
<a href="https://www.suse.com/security/cve/CVE-2024-2182.html">CVE-2024-2182</a>
</li>
<li style="display: inline;">
<a href="https://www.suse.com/security/cve/CVE-2025-0650.html">CVE-2025-0650</a>
</li>
</ul>
</td>
</tr>
<tr>
<th>CVSS scores:</th>
<td>
<ul class="list-group">
<li class="list-group-item">
<span class="cvss-reference">CVE-2023-1668</span>
<span class="cvss-source">
(
SUSE
):
</span>
<span class="cvss-score">6.5</span>
<span class="cvss-vector">CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H</span>
</li>
<li class="list-group-item">
<span class="cvss-reference">CVE-2023-1668</span>
<span class="cvss-source">
(
NVD
):
</span>
<span class="cvss-score">8.2</span>
<span class="cvss-vector">CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:H</span>
</li>
<li class="list-group-item">
<span class="cvss-reference">CVE-2023-1668</span>
<span class="cvss-source">
(
NVD
):
</span>
<span class="cvss-score">8.2</span>
<span class="cvss-vector">CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:H</span>
</li>
<li class="list-group-item">
<span class="cvss-reference">CVE-2023-3152</span>
<span class="cvss-source">
(
NVD
):
</span>
<span class="cvss-score">8.8</span>
<span class="cvss-vector">CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H</span>
</li>
<li class="list-group-item">
<span class="cvss-reference">CVE-2023-3152</span>
<span class="cvss-source">
(
NVD
):
</span>
<span class="cvss-score">6.3</span>
<span class="cvss-vector">CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L</span>
</li>
<li class="list-group-item">
<span class="cvss-reference">CVE-2023-3152</span>
<span class="cvss-source">
(
NVD
):
</span>
<span class="cvss-score">6.3</span>
<span class="cvss-vector">CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L</span>
</li>
<li class="list-group-item">
<span class="cvss-reference">CVE-2023-3153</span>
<span class="cvss-source">
(
SUSE
):
</span>
<span class="cvss-score">5.3</span>
<span class="cvss-vector">CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L</span>
</li>
<li class="list-group-item">
<span class="cvss-reference">CVE-2023-3153</span>
<span class="cvss-source">
(
NVD
):
</span>
<span class="cvss-score">5.3</span>
<span class="cvss-vector">CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L</span>
</li>
<li class="list-group-item">
<span class="cvss-reference">CVE-2023-3966</span>
<span class="cvss-source">
(
SUSE
):
</span>
<span class="cvss-score">7.5</span>
<span class="cvss-vector">CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H</span>
</li>
<li class="list-group-item">
<span class="cvss-reference">CVE-2023-3966</span>
<span class="cvss-source">
(
NVD
):
</span>
<span class="cvss-score">7.5</span>
<span class="cvss-vector">CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H</span>
</li>
<li class="list-group-item">
<span class="cvss-reference">CVE-2023-3966</span>
<span class="cvss-source">
(
NVD
):
</span>
<span class="cvss-score">7.5</span>
<span class="cvss-vector">CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H</span>
</li>
<li class="list-group-item">
<span class="cvss-reference">CVE-2023-5366</span>
<span class="cvss-source">
(
SUSE
):
</span>
<span class="cvss-score">7.1</span>
<span class="cvss-vector">CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:H</span>
</li>
<li class="list-group-item">
<span class="cvss-reference">CVE-2023-5366</span>
<span class="cvss-source">
(
NVD
):
</span>
<span class="cvss-score">5.5</span>
<span class="cvss-vector">CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N</span>
</li>
<li class="list-group-item">
<span class="cvss-reference">CVE-2024-2182</span>
<span class="cvss-source">
(
SUSE
):
</span>
<span class="cvss-score">6.5</span>
<span class="cvss-vector">CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H</span>
</li>
<li class="list-group-item">
<span class="cvss-reference">CVE-2024-2182</span>
<span class="cvss-source">
(
NVD
):
</span>
<span class="cvss-score">6.5</span>
<span class="cvss-vector">CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H</span>
</li>
<li class="list-group-item">
<span class="cvss-reference">CVE-2025-0650</span>
<span class="cvss-source">
(
SUSE
):
</span>
<span class="cvss-score">9.2</span>
<span class="cvss-vector">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</span>
</li>
<li class="list-group-item">
<span class="cvss-reference">CVE-2025-0650</span>
<span class="cvss-source">
(
SUSE
):
</span>
<span class="cvss-score">8.1</span>
<span class="cvss-vector">CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H</span>
</li>
<li class="list-group-item">
<span class="cvss-reference">CVE-2025-0650</span>
<span class="cvss-source">
(
NVD
):
</span>
<span class="cvss-score">8.1</span>
<span class="cvss-vector">CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H</span>
</li>
</ul>
</td>
</tr>
<tr>
<th>Affected Products:</th>
<td>
<ul class="list-group">
<li class="list-group-item">openSUSE Leap 15.6</li>
<li class="list-group-item">SUSE Linux Enterprise Server 15 SP6</li>
<li class="list-group-item">SUSE Linux Enterprise Server 15 SP6 LTSS</li>
<li class="list-group-item">SUSE Linux Enterprise Server for SAP Applications 15 SP6</li>
</ul>
</td>
</tr>
</tbody>
</table>
<p>An update that solves seven vulnerabilities can now be installed.</p>
<h2>Description:</h2>
<p>This update for openvswitch fixes the following issues:</p>
<p>Update to v3.1.7:</p>
<ul>
<li>CVE-2023-3966: openvswitch, openvswitch3: Invalid memory access in Geneve with HW offload (bsc#1219465).</li>
<li>CVE-2024-2182: openvswitch: ov: insufficient validation of incoming BFD packets may lead to denial of service (bsc#1255435).</li>
<li>CVE-2023-1668: openvswitch: remote traffic denial of service via crafted packets with IP proto 0 (bsc#1210054).</li>
<li>CVE-2023-3153: openvswitch,openvswitch3: service monitor MAC flow is not rate limited (bsc#1212125).</li>
<li>CVE-2023-5366: openvswitch: missing masks on a final stage with ports trie (bsc#1216002).</li>
</ul>
<h2>Patch Instructions:</h2>
<p>
To install this SUSE update use the SUSE recommended
installation methods like YaST online_update or "zypper patch".<br/>
Alternatively you can run the command listed for your product:
</p>
<ul class="list-group">
<li class="list-group-item">
openSUSE Leap 15.6
<br/>
<code>zypper in -t patch SUSE-2026-280=1 openSUSE-SLE-15.6-2026-280=1</code>
</li>
<li class="list-group-item">
SUSE Linux Enterprise Server 15 SP6 LTSS
<br/>
<code>zypper in -t patch SUSE-SLE-Product-SLES-15-SP6-LTSS-2026-280=1</code>
</li>
<li class="list-group-item">
SUSE Linux Enterprise Server for SAP Applications 15 SP6
<br/>
<code>zypper in -t patch SUSE-SLE-Product-SLES_SAP-15-SP6-2026-280=1</code>
</li>
</ul>
<h2>Package List:</h2>
<ul>
<li>
openSUSE Leap 15.6 (aarch64 ppc64le s390x x86_64 i586)
<ul>
<li>openvswitch-ipsec-3.1.7-150600.33.9.1</li>
<li>openvswitch-pki-3.1.7-150600.33.9.1</li>
<li>ovn-23.03.3-150600.33.9.1</li>
<li>ovn-vtep-23.03.3-150600.33.9.1</li>
<li>ovn-host-debuginfo-23.03.3-150600.33.9.1</li>
<li>libovn-23_03-0-23.03.3-150600.33.9.1</li>
<li>ovn-host-23.03.3-150600.33.9.1</li>
<li>ovn-vtep-debuginfo-23.03.3-150600.33.9.1</li>
<li>openvswitch-test-debuginfo-3.1.7-150600.33.9.1</li>
<li>ovn-central-23.03.3-150600.33.9.1</li>
<li>openvswitch-3.1.7-150600.33.9.1</li>
<li>ovn-docker-23.03.3-150600.33.9.1</li>
<li>ovn-devel-23.03.3-150600.33.9.1</li>
<li>ovn-debuginfo-23.03.3-150600.33.9.1</li>
<li>libopenvswitch-3_1-0-3.1.7-150600.33.9.1</li>
<li>openvswitch-debugsource-3.1.7-150600.33.9.1</li>
<li>openvswitch-test-3.1.7-150600.33.9.1</li>
<li>openvswitch-vtep-debuginfo-3.1.7-150600.33.9.1</li>
<li>openvswitch-vtep-3.1.7-150600.33.9.1</li>
<li>ovn-central-debuginfo-23.03.3-150600.33.9.1</li>
<li>libovn-23_03-0-debuginfo-23.03.3-150600.33.9.1</li>
<li>libopenvswitch-3_1-0-debuginfo-3.1.7-150600.33.9.1</li>
<li>python3-ovs-3.1.7-150600.33.9.1</li>
<li>openvswitch-debuginfo-3.1.7-150600.33.9.1</li>
<li>openvswitch-devel-3.1.7-150600.33.9.1</li>
</ul>
</li>
<li>
openSUSE Leap 15.6 (noarch)
<ul>
<li>ovn-doc-23.03.3-150600.33.9.1</li>
<li>openvswitch-doc-3.1.7-150600.33.9.1</li>
</ul>
</li>
<li>
SUSE Linux Enterprise Server 15 SP6 LTSS (aarch64 ppc64le s390x x86_64)
<ul>
<li>openvswitch-ipsec-3.1.7-150600.33.9.1</li>
<li>openvswitch-pki-3.1.7-150600.33.9.1</li>
<li>ovn-23.03.3-150600.33.9.1</li>
<li>ovn-vtep-23.03.3-150600.33.9.1</li>
<li>ovn-host-debuginfo-23.03.3-150600.33.9.1</li>
<li>libovn-23_03-0-23.03.3-150600.33.9.1</li>
<li>ovn-host-23.03.3-150600.33.9.1</li>
<li>ovn-vtep-debuginfo-23.03.3-150600.33.9.1</li>
<li>openvswitch-test-debuginfo-3.1.7-150600.33.9.1</li>
<li>ovn-central-23.03.3-150600.33.9.1</li>
<li>openvswitch-3.1.7-150600.33.9.1</li>
<li>ovn-docker-23.03.3-150600.33.9.1</li>
<li>ovn-devel-23.03.3-150600.33.9.1</li>
<li>ovn-debuginfo-23.03.3-150600.33.9.1</li>
<li>libopenvswitch-3_1-0-3.1.7-150600.33.9.1</li>
<li>openvswitch-debugsource-3.1.7-150600.33.9.1</li>
<li>openvswitch-test-3.1.7-150600.33.9.1</li>
<li>openvswitch-vtep-debuginfo-3.1.7-150600.33.9.1</li>
<li>openvswitch-vtep-3.1.7-150600.33.9.1</li>
<li>ovn-central-debuginfo-23.03.3-150600.33.9.1</li>
<li>libovn-23_03-0-debuginfo-23.03.3-150600.33.9.1</li>
<li>libopenvswitch-3_1-0-debuginfo-3.1.7-150600.33.9.1</li>
<li>python3-ovs-3.1.7-150600.33.9.1</li>
<li>openvswitch-debuginfo-3.1.7-150600.33.9.1</li>
<li>openvswitch-devel-3.1.7-150600.33.9.1</li>
</ul>
</li>
<li>
SUSE Linux Enterprise Server for SAP Applications 15 SP6 (ppc64le x86_64)
<ul>
<li>openvswitch-ipsec-3.1.7-150600.33.9.1</li>
<li>openvswitch-pki-3.1.7-150600.33.9.1</li>
<li>ovn-23.03.3-150600.33.9.1</li>
<li>ovn-vtep-23.03.3-150600.33.9.1</li>
<li>ovn-host-debuginfo-23.03.3-150600.33.9.1</li>
<li>libovn-23_03-0-23.03.3-150600.33.9.1</li>
<li>ovn-host-23.03.3-150600.33.9.1</li>
<li>ovn-vtep-debuginfo-23.03.3-150600.33.9.1</li>
<li>openvswitch-test-debuginfo-3.1.7-150600.33.9.1</li>
<li>ovn-central-23.03.3-150600.33.9.1</li>
<li>openvswitch-3.1.7-150600.33.9.1</li>
<li>ovn-docker-23.03.3-150600.33.9.1</li>
<li>ovn-devel-23.03.3-150600.33.9.1</li>
<li>ovn-debuginfo-23.03.3-150600.33.9.1</li>
<li>libopenvswitch-3_1-0-3.1.7-150600.33.9.1</li>
<li>openvswitch-debugsource-3.1.7-150600.33.9.1</li>
<li>openvswitch-test-3.1.7-150600.33.9.1</li>
<li>openvswitch-vtep-debuginfo-3.1.7-150600.33.9.1</li>
<li>openvswitch-vtep-3.1.7-150600.33.9.1</li>
<li>ovn-central-debuginfo-23.03.3-150600.33.9.1</li>
<li>libovn-23_03-0-debuginfo-23.03.3-150600.33.9.1</li>
<li>libopenvswitch-3_1-0-debuginfo-3.1.7-150600.33.9.1</li>
<li>python3-ovs-3.1.7-150600.33.9.1</li>
<li>openvswitch-debuginfo-3.1.7-150600.33.9.1</li>
<li>openvswitch-devel-3.1.7-150600.33.9.1</li>
</ul>
</li>
</ul>
<h2>References:</h2>
<ul>
<li>
<a href="https://www.suse.com/security/cve/CVE-2023-1668.html">https://www.suse.com/security/cve/CVE-2023-1668.html</a>
</li>
<li>
<a href="https://www.suse.com/security/cve/CVE-2023-3152.html">https://www.suse.com/security/cve/CVE-2023-3152.html</a>
</li>
<li>
<a href="https://www.suse.com/security/cve/CVE-2023-3153.html">https://www.suse.com/security/cve/CVE-2023-3153.html</a>
</li>
<li>
<a href="https://www.suse.com/security/cve/CVE-2023-3966.html">https://www.suse.com/security/cve/CVE-2023-3966.html</a>
</li>
<li>
<a href="https://www.suse.com/security/cve/CVE-2023-5366.html">https://www.suse.com/security/cve/CVE-2023-5366.html</a>
</li>
<li>
<a href="https://www.suse.com/security/cve/CVE-2024-2182.html">https://www.suse.com/security/cve/CVE-2024-2182.html</a>
</li>
<li>
<a href="https://www.suse.com/security/cve/CVE-2025-0650.html">https://www.suse.com/security/cve/CVE-2025-0650.html</a>
</li>
<li>
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1210054">https://bugzilla.suse.com/show_bug.cgi?id=1210054</a>
</li>
<li>
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1212125">https://bugzilla.suse.com/show_bug.cgi?id=1212125</a>
</li>
<li>
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1216002">https://bugzilla.suse.com/show_bug.cgi?id=1216002</a>
</li>
<li>
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1219465">https://bugzilla.suse.com/show_bug.cgi?id=1219465</a>
</li>
<li>
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1255435">https://bugzilla.suse.com/show_bug.cgi?id=1255435</a>
</li>
</ul>
</div>