<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-2026:21454-1</td>
</tr>
<tr>
<th>Release Date:</th>
<td>2026-05-02T10:03:34Z</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=1262573">bsc#1262573</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-2026-31431.html">CVE-2026-31431</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-2026-31431</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-2026-31431</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 Micro 6.1</li>
</ul>
</td>
</tr>
</tbody>
</table>
<p>An update that solves one vulnerability can now be installed.</p>
<h2>Description:</h2>
<p>The SUSE Linux Micro 6.0 and 6.1 RT kernel was updated to fix one security issue.</p>
<p>The following security issue was fixed:</p>
<ul>
<li>CVE-2026-31431: The copy.fail security issue is fixed by revert to operating out-of-place in algif_aead (bsc#1262573)</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 Micro 6.1
<br/>
<code>zypper in -t patch SUSE-SLE-Micro-6.1-kernel-370=1</code>
</li>
</ul>
<h2>Package List:</h2>
<ul>
<li>
SUSE Linux Micro 6.1 (noarch)
<ul>
<li>kernel-devel-rt-6.4.0-42.1</li>
<li>kernel-source-rt-6.4.0-42.1</li>
</ul>
</li>
<li>
SUSE Linux Micro 6.1 (aarch64 nosrc x86_64)
<ul>
<li>kernel-rt-6.4.0-42.1</li>
</ul>
</li>
<li>
SUSE Linux Micro 6.1 (aarch64 x86_64)
<ul>
<li>kernel-rt-devel-6.4.0-42.1</li>
<li>kernel-rt-debugsource-6.4.0-42.1</li>
<li>kernel-rt-debuginfo-6.4.0-42.1</li>
</ul>
</li>
<li>
SUSE Linux Micro 6.1 (x86_64)
<ul>
<li>kernel-rt-devel-debuginfo-6.4.0-42.1</li>
<li>kernel-rt-livepatch-6.4.0-42.1</li>
</ul>
</li>
</ul>
<h2>References:</h2>
<ul>
<li>
<a href="https://www.suse.com/security/cve/CVE-2026-31431.html">https://www.suse.com/security/cve/CVE-2026-31431.html</a>
</li>
<li>
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1262573">https://bugzilla.suse.com/show_bug.cgi?id=1262573</a>
</li>
</ul>
</div>