<div class="container">
<h1>Security update for the Linux Kernel</h1>
<table class="table table-striped table-bordered">
<tbody>
<tr>
<th>Announcement ID:</th>
<td>SUSE-SU-2026:21616-1</td>
</tr>
<tr>
<th>Release Date:</th>
<td>2026-05-12T14:11:03Z</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=1264449">bsc#1264449</a>
</li>
<li style="display: inline;">
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1264450">bsc#1264450</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-2026-43284.html">CVE-2026-43284</a>
</li>
<li style="display: inline;">
<a href="https://www.suse.com/security/cve/CVE-2026-43500.html">CVE-2026-43500</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-2026-43284</span>
<span class="cvss-source">
(
SUSE
):
</span>
<span class="cvss-score">8.8</span>
<span class="cvss-vector">CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H</span>
</li>
<li class="list-group-item">
<span class="cvss-reference">CVE-2026-43284</span>
<span class="cvss-source">
(
NVD
):
</span>
<span class="cvss-score">7.8</span>
<span class="cvss-vector">CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H</span>
</li>
<li class="list-group-item">
<span class="cvss-reference">CVE-2026-43284</span>
<span class="cvss-source">
(
NVD
):
</span>
<span class="cvss-score">8.8</span>
<span class="cvss-vector">CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H</span>
</li>
<li class="list-group-item">
<span class="cvss-reference">CVE-2026-43500</span>
<span class="cvss-source">
(
SUSE
):
</span>
<span class="cvss-score">8.8</span>
<span class="cvss-vector">CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H</span>
</li>
<li class="list-group-item">
<span class="cvss-reference">CVE-2026-43500</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-2026-43500</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 Server High Availability Extension 16.0</li>
</ul>
</td>
</tr>
</tbody>
</table>
<p>An update that solves two vulnerabilities can now be installed.</p>
<h2>Description:</h2>
<p>The SUSE Linux Enterprise 16.0 kernel was updated to fix various security issues</p>
<p>The following security issues were fixed:</p>
<p>Dirty Frag fixes: </p>
<ul>
<li>CVE-2026-43500: supported.conf: drop rxrpc completely (bsc#1264450)</li>
<li>CVE-2026-43284: xfrm: esp: avoid in-place decrypt on shared skb frags (bsc#1264449).</li>
</ul>
<h2>Special Instructions and Notes:</h2>
<ul>
<li>Please reboot the system after installing this update.</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 Server High Availability Extension 16.0
<br/>
<code>zypper in -t patch SUSE-SLES-HA-16.0-734=1</code>
</li>
</ul>
<h2>Package List:</h2>
<ul>
<li>
SUSE Linux Enterprise Server High Availability Extension 16.0 (ppc64le s390x x86_64)
<ul>
<li>dlm-kmp-default-debuginfo-6.12.0-160000.30.1</li>
<li>kernel-default-debuginfo-6.12.0-160000.30.1</li>
<li>cluster-md-kmp-default-6.12.0-160000.30.1</li>
<li>gfs2-kmp-default-debuginfo-6.12.0-160000.30.1</li>
<li>gfs2-kmp-default-6.12.0-160000.30.1</li>
<li>kernel-default-debugsource-6.12.0-160000.30.1</li>
<li>cluster-md-kmp-default-debuginfo-6.12.0-160000.30.1</li>
<li>dlm-kmp-default-6.12.0-160000.30.1</li>
</ul>
</li>
<li>
SUSE Linux Enterprise Server High Availability Extension 16.0 (nosrc)
<ul>
<li>kernel-default-6.12.0-160000.30.1</li>
</ul>
</li>
</ul>
<h2>References:</h2>
<ul>
<li>
<a href="https://www.suse.com/security/cve/CVE-2026-43284.html">https://www.suse.com/security/cve/CVE-2026-43284.html</a>
</li>
<li>
<a href="https://www.suse.com/security/cve/CVE-2026-43500.html">https://www.suse.com/security/cve/CVE-2026-43500.html</a>
</li>
<li>
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1264449">https://bugzilla.suse.com/show_bug.cgi?id=1264449</a>
</li>
<li>
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1264450">https://bugzilla.suse.com/show_bug.cgi?id=1264450</a>
</li>
</ul>
</div>