<div class="container">
<h1>Security update for the Linux Kernel (Live Patch 67 for SUSE Linux Enterprise 12 SP5)</h1>
<table class="table table-striped table-bordered">
<tbody>
<tr>
<th>Announcement ID:</th>
<td>SUSE-SU-2026:1221-1</td>
</tr>
<tr>
<th>Release Date:</th>
<td>2026-04-08T16:04:43Z</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=1252036">bsc#1252036</a>
</li>
<li style="display: inline;">
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1252689">bsc#1252689</a>
</li>
<li style="display: inline;">
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1255235">bsc#1255235</a>
</li>
<li style="display: inline;">
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1256780">bsc#1256780</a>
</li>
<li style="display: inline;">
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1257238">bsc#1257238</a>
</li>
<li style="display: inline;">
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1258051">bsc#1258051</a>
</li>
<li style="display: inline;">
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1258784">bsc#1258784</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-2023-53794.html">CVE-2023-53794</a>
</li>
<li style="display: inline;">
<a href="https://www.suse.com/security/cve/CVE-2025-39973.html">CVE-2025-39973</a>
</li>
<li style="display: inline;">
<a href="https://www.suse.com/security/cve/CVE-2025-40018.html">CVE-2025-40018</a>
</li>
<li style="display: inline;">
<a href="https://www.suse.com/security/cve/CVE-2025-71120.html">CVE-2025-71120</a>
</li>
<li style="display: inline;">
<a href="https://www.suse.com/security/cve/CVE-2026-22999.html">CVE-2026-22999</a>
</li>
<li style="display: inline;">
<a href="https://www.suse.com/security/cve/CVE-2026-23074.html">CVE-2026-23074</a>
</li>
<li style="display: inline;">
<a href="https://www.suse.com/security/cve/CVE-2026-23209.html">CVE-2026-23209</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-2023-53794</span>
<span class="cvss-source">
(
SUSE
):
</span>
<span class="cvss-score">7.7</span>
<span class="cvss-vector">CVSS:4.0/AV:N/AC:L/AT:P/PR:L/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-2023-53794</span>
<span class="cvss-source">
(
SUSE
):
</span>
<span class="cvss-score">7.5</span>
<span class="cvss-vector">CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H</span>
</li>
<li class="list-group-item">
<span class="cvss-reference">CVE-2025-39973</span>
<span class="cvss-source">
(
SUSE
):
</span>
<span class="cvss-score">7.3</span>
<span class="cvss-vector">CVSS:4.0/AV:L/AC:L/AT:P/PR:L/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-2025-39973</span>
<span class="cvss-source">
(
SUSE
):
</span>
<span class="cvss-score">7.0</span>
<span class="cvss-vector">CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H</span>
</li>
<li class="list-group-item">
<span class="cvss-reference">CVE-2025-40018</span>
<span class="cvss-source">
(
SUSE
):
</span>
<span class="cvss-score">7.3</span>
<span class="cvss-vector">CVSS:4.0/AV:L/AC:H/AT:N/PR:L/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-2025-40018</span>
<span class="cvss-source">
(
SUSE
):
</span>
<span class="cvss-score">7.0</span>
<span class="cvss-vector">CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H</span>
</li>
<li class="list-group-item">
<span class="cvss-reference">CVE-2025-71120</span>
<span class="cvss-source">
(
SUSE
):
</span>
<span class="cvss-score">8.7</span>
<span class="cvss-vector">CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N</span>
</li>
<li class="list-group-item">
<span class="cvss-reference">CVE-2025-71120</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-2025-71120</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:N/A:H</span>
</li>
<li class="list-group-item">
<span class="cvss-reference">CVE-2026-22999</span>
<span class="cvss-source">
(
SUSE
):
</span>
<span class="cvss-score">7.3</span>
<span class="cvss-vector">CVSS:4.0/AV:L/AC:H/AT:N/PR:L/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-2026-22999</span>
<span class="cvss-source">
(
SUSE
):
</span>
<span class="cvss-score">7.0</span>
<span class="cvss-vector">CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H</span>
</li>
<li class="list-group-item">
<span class="cvss-reference">CVE-2026-22999</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:N/A:H</span>
</li>
<li class="list-group-item">
<span class="cvss-reference">CVE-2026-23074</span>
<span class="cvss-source">
(
SUSE
):
</span>
<span class="cvss-score">7.3</span>
<span class="cvss-vector">CVSS:4.0/AV:L/AC:L/AT:P/PR:L/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-2026-23074</span>
<span class="cvss-source">
(
SUSE
):
</span>
<span class="cvss-score">7.0</span>
<span class="cvss-vector">CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H</span>
</li>
<li class="list-group-item">
<span class="cvss-reference">CVE-2026-23074</span>
<span class="cvss-source">
(
NVD
):
</span>
<span class="cvss-score">7.8</span>
<span class="cvss-vector">CVSS:3.1/AV:L/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-2026-23074</span>
<span class="cvss-source">
(
NVD
):
</span>
<span class="cvss-score">7.8</span>
<span class="cvss-vector">CVSS:3.1/AV:L/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-2026-23209</span>
<span class="cvss-source">
(
SUSE
):
</span>
<span class="cvss-score">8.5</span>
<span class="cvss-vector">CVSS:4.0/AV:L/AC:L/AT:N/PR:L/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-2026-23209</span>
<span class="cvss-source">
(
SUSE
):
</span>
<span class="cvss-score">7.8</span>
<span class="cvss-vector">CVSS:3.1/AV:L/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-2026-23209</span>
<span class="cvss-source">
(
NVD
):
</span>
<span class="cvss-score">7.8</span>
<span class="cvss-vector">CVSS:3.1/AV:L/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-2026-23209</span>
<span class="cvss-source">
(
NVD
):
</span>
<span class="cvss-score">7.8</span>
<span class="cvss-vector">CVSS:3.1/AV:L/AC:L/PR:L/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">SUSE Linux Enterprise High Performance Computing 12 SP5</li>
<li class="list-group-item">SUSE Linux Enterprise Live Patching 12-SP5</li>
<li class="list-group-item">SUSE Linux Enterprise Server 12 SP5</li>
<li class="list-group-item">SUSE Linux Enterprise Server for SAP Applications 12 SP5</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 the SUSE Linux Enterprise Kernel 4.12.14-122.255 fixes various security issues</p>
<p>The following security issues were fixed:</p>
<ul>
<li>CVE-2023-53794: cifs: fix session state check in reconnect to avoid use-after-free issue (bsc#1255235).</li>
<li>CVE-2025-39973: i40e: add validation for ring_len param (bsc#1252036).</li>
<li>CVE-2025-40018: ipvs: Defer ip_vs_ftp unregister during netns cleanup (bsc#1252689).</li>
<li>CVE-2025-71120: SUNRPC: svcauth_gss: avoid NULL deref on zero length gss_token in gss_read_proxy_verf (bsc#1256780).</li>
<li>CVE-2026-22999: net/sched: sch_qfq: do not free existing class in qfq_change_class() (bsc#1257238).</li>
<li>CVE-2026-23074: net/sched: Enforce that teql can only be used as root qdisc (bsc#1258051).</li>
<li>CVE-2026-23209: macvlan: fix error recovery in macvlan_common_newlink() (bsc#1258784).</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">
SUSE Linux Enterprise Live Patching 12-SP5
<br/>
<code>zypper in -t patch SUSE-SLE-Live-Patching-12-SP5-2026-1221=1</code>
</li>
</ul>
<h2>Package List:</h2>
<ul>
<li>
SUSE Linux Enterprise Live Patching 12-SP5 (ppc64le s390x x86_64)
<ul>
<li>kgraft-patch-4_12_14-122_255-default-15-2.1</li>
</ul>
</li>
</ul>
<h2>References:</h2>
<ul>
<li>
<a href="https://www.suse.com/security/cve/CVE-2023-53794.html">https://www.suse.com/security/cve/CVE-2023-53794.html</a>
</li>
<li>
<a href="https://www.suse.com/security/cve/CVE-2025-39973.html">https://www.suse.com/security/cve/CVE-2025-39973.html</a>
</li>
<li>
<a href="https://www.suse.com/security/cve/CVE-2025-40018.html">https://www.suse.com/security/cve/CVE-2025-40018.html</a>
</li>
<li>
<a href="https://www.suse.com/security/cve/CVE-2025-71120.html">https://www.suse.com/security/cve/CVE-2025-71120.html</a>
</li>
<li>
<a href="https://www.suse.com/security/cve/CVE-2026-22999.html">https://www.suse.com/security/cve/CVE-2026-22999.html</a>
</li>
<li>
<a href="https://www.suse.com/security/cve/CVE-2026-23074.html">https://www.suse.com/security/cve/CVE-2026-23074.html</a>
</li>
<li>
<a href="https://www.suse.com/security/cve/CVE-2026-23209.html">https://www.suse.com/security/cve/CVE-2026-23209.html</a>
</li>
<li>
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1252036">https://bugzilla.suse.com/show_bug.cgi?id=1252036</a>
</li>
<li>
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1252689">https://bugzilla.suse.com/show_bug.cgi?id=1252689</a>
</li>
<li>
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1255235">https://bugzilla.suse.com/show_bug.cgi?id=1255235</a>
</li>
<li>
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1256780">https://bugzilla.suse.com/show_bug.cgi?id=1256780</a>
</li>
<li>
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1257238">https://bugzilla.suse.com/show_bug.cgi?id=1257238</a>
</li>
<li>
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1258051">https://bugzilla.suse.com/show_bug.cgi?id=1258051</a>
</li>
<li>
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1258784">https://bugzilla.suse.com/show_bug.cgi?id=1258784</a>
</li>
</ul>
</div>