<div class="container">
<h1>Security update for the Linux Kernel (Live Patch 71 for SUSE Linux Enterprise 12 SP5)</h1>
<table class="table table-striped table-bordered">
<tbody>
<tr>
<th>Announcement ID:</th>
<td>SUSE-SU-2026:0521-1</td>
</tr>
<tr>
<th>Release Date:</th>
<td>2026-02-14T14:33:39Z</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=1249205">bsc#1249205</a>
</li>
<li style="display: inline;">
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1250280">bsc#1250280</a>
</li>
<li style="display: inline;">
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1250314">bsc#1250314</a>
</li>
<li style="display: inline;">
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1253439">bsc#1253439</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-2023-53321.html">CVE-2023-53321</a>
</li>
<li style="display: inline;">
<a href="https://www.suse.com/security/cve/CVE-2025-38352.html">CVE-2025-38352</a>
</li>
<li style="display: inline;">
<a href="https://www.suse.com/security/cve/CVE-2025-40186.html">CVE-2025-40186</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-2023-53321</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-2023-53321</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-2023-53321</span>
<span class="cvss-source">
(
NVD
):
</span>
<span class="cvss-score">7.1</span>
<span class="cvss-vector">CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H</span>
</li>
<li class="list-group-item">
<span class="cvss-reference">CVE-2023-53321</span>
<span class="cvss-source">
(
NVD
):
</span>
<span class="cvss-score">7.1</span>
<span class="cvss-vector">CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H</span>
</li>
<li class="list-group-item">
<span class="cvss-reference">CVE-2025-38352</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-2025-38352</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-2025-38352</span>
<span class="cvss-source">
(
NVD
):
</span>
<span class="cvss-score">7.4</span>
<span class="cvss-vector">CVSS:3.1/AV:L/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-2025-40186</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-2025-40186</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>
</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 three vulnerabilities and has one security fix can now be installed.</p>
<h2>Description:</h2>
<p>This update for the SUSE Linux Enterprise kernel 4.12.14-122.269 fixes various security issues</p>
<p>The following security issues were fixed:</p>
<ul>
<li>CVE-2023-53321: wifi: mac80211_hwsim: drop short frames (bsc#1250314).</li>
<li>CVE-2025-38352: posix-cpu-timers: fix race between handle_posix_cpu_timers() and posix_cpu_timer_del() (bsc#1249205).</li>
<li>CVE-2025-40186: tcp: Don't call reqsk_fastopen_remove() in tcp_conn_request() (bsc#1253439).</li>
</ul>
<p>The following non security issue was fixed:</p>
<ul>
<li>bsc#1250280: don't expose {file,inode}_operations with static lifetimes Fix issue with static lifetime empty_iops/no_open_fops by allocating them on the heap. Make sure previously assigned instances don't become dangling. (bsc#1250280).</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-SP5-2026-521=1 SUSE-SLE-Live-Patching-12-SP5-2026-522=1 SUSE-SLE-Live-Patching-12-SP5-2026-523=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_266-default-9-2.1</li>
<li>kgraft-patch-4_12_14-122_261-default-9-2.1</li>
<li>kgraft-patch-4_12_14-122_269-default-6-2.1</li>
</ul>
</li>
</ul>
<h2>References:</h2>
<ul>
<li>
<a href="https://www.suse.com/security/cve/CVE-2023-53321.html">https://www.suse.com/security/cve/CVE-2023-53321.html</a>
</li>
<li>
<a href="https://www.suse.com/security/cve/CVE-2025-38352.html">https://www.suse.com/security/cve/CVE-2025-38352.html</a>
</li>
<li>
<a href="https://www.suse.com/security/cve/CVE-2025-40186.html">https://www.suse.com/security/cve/CVE-2025-40186.html</a>
</li>
<li>
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1249205">https://bugzilla.suse.com/show_bug.cgi?id=1249205</a>
</li>
<li>
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1250280">https://bugzilla.suse.com/show_bug.cgi?id=1250280</a>
</li>
<li>
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1250314">https://bugzilla.suse.com/show_bug.cgi?id=1250314</a>
</li>
<li>
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1253439">https://bugzilla.suse.com/show_bug.cgi?id=1253439</a>
</li>
</ul>
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