<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-2026:1777-1</td>
</tr>
<tr>
<th>Release Date:</th>
<td>2026-05-08T13:10:13Z</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=1246057">bsc#1246057</a>
</li>
<li style="display: inline;">
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1259797">bsc#1259797</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-2025-38234.html">CVE-2025-38234</a>
</li>
<li style="display: inline;">
<a href="https://www.suse.com/security/cve/CVE-2026-23243.html">CVE-2026-23243</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-2025-38234</span>
<span class="cvss-source">
(
SUSE
):
</span>
<span class="cvss-score">5.7</span>
<span class="cvss-vector">CVSS:4.0/AV:L/AC:L/AT:P/PR:L/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-2025-38234</span>
<span class="cvss-source">
(
SUSE
):
</span>
<span class="cvss-score">4.7</span>
<span class="cvss-vector">CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H</span>
</li>
<li class="list-group-item">
<span class="cvss-reference">CVE-2025-38234</span>
<span class="cvss-source">
(
NVD
):
</span>
<span class="cvss-score">4.7</span>
<span class="cvss-vector">CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H</span>
</li>
<li class="list-group-item">
<span class="cvss-reference">CVE-2026-23243</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-2026-23243</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-2026-23243</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 11 SP4</li>
<li class="list-group-item">SUSE Linux Enterprise Server 11 SP4 LTSS EXTREME CORE</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 11 SP4 kernel was updated to fix various security issues</p>
<p>The following security issues were fixed:</p>
<ul>
<li>CVE-2025-38234: sched/rt: Fix race in push_rt_task (bsc#1246057).</li>
<li>CVE-2026-23243: RDMA/umad: Reject negative data_len in ib_umad_write (bsc#1259797).</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 11 SP4 LTSS EXTREME CORE
<br/>
<code>zypper in -t patch SUSE-SLE-SERVER-11-SP4-LTSS-EXTREME-CORE-2026-1777=1</code>
</li>
<li class="list-group-item">
SUSE Linux Enterprise Server 11 SP4
<br/>
<code>zypper in -t patch SUSE-SLE-SERVER-11-SP4-LTSS-EXTREME-CORE-2026-1777=1</code>
</li>
</ul>
<h2>Package List:</h2>
<ul>
<li>
SUSE Linux Enterprise Server 11 SP4 LTSS EXTREME CORE (nosrc x86_64)
<ul>
<li>kernel-trace-3.0.101-108.207.1</li>
<li>kernel-xen-3.0.101-108.207.1</li>
<li>kernel-default-3.0.101-108.207.1</li>
<li>kernel-ec2-3.0.101-108.207.1</li>
</ul>
</li>
<li>
SUSE Linux Enterprise Server 11 SP4 LTSS EXTREME CORE (x86_64)
<ul>
<li>kernel-ec2-debugsource-3.0.101-108.207.1</li>
<li>kernel-ec2-devel-3.0.101-108.207.1</li>
<li>kernel-default-debugsource-3.0.101-108.207.1</li>
<li>kernel-trace-devel-debuginfo-3.0.101-108.207.1</li>
<li>kernel-xen-debuginfo-3.0.101-108.207.1</li>
<li>kernel-default-debuginfo-3.0.101-108.207.1</li>
<li>kernel-trace-debugsource-3.0.101-108.207.1</li>
<li>kernel-trace-base-3.0.101-108.207.1</li>
<li>kernel-xen-devel-debuginfo-3.0.101-108.207.1</li>
<li>kernel-syms-3.0.101-108.207.1</li>
<li>kernel-default-base-3.0.101-108.207.1</li>
<li>kernel-default-devel-debuginfo-3.0.101-108.207.1</li>
<li>kernel-xen-devel-3.0.101-108.207.1</li>
<li>kernel-trace-devel-3.0.101-108.207.1</li>
<li>kernel-source-3.0.101-108.207.1</li>
<li>kernel-xen-debugsource-3.0.101-108.207.1</li>
<li>kernel-ec2-base-3.0.101-108.207.1</li>
<li>kernel-trace-debuginfo-3.0.101-108.207.1</li>
<li>kernel-default-devel-3.0.101-108.207.1</li>
<li>kernel-ec2-debuginfo-3.0.101-108.207.1</li>
<li>kernel-ec2-devel-debuginfo-3.0.101-108.207.1</li>
<li>kernel-xen-base-3.0.101-108.207.1</li>
</ul>
</li>
<li>
SUSE Linux Enterprise Server 11 SP4 LTSS EXTREME CORE (noarch nosrc)
<ul>
<li>kernel-docs-3.0.101-108.207.1</li>
</ul>
</li>
<li>
SUSE Linux Enterprise Server 11 SP4 (nosrc x86_64)
<ul>
<li>kernel-trace-3.0.101-108.207.1</li>
<li>kernel-xen-3.0.101-108.207.1</li>
<li>kernel-default-3.0.101-108.207.1</li>
<li>kernel-ec2-3.0.101-108.207.1</li>
</ul>
</li>
<li>
SUSE Linux Enterprise Server 11 SP4 (x86_64)
<ul>
<li>kernel-ec2-debugsource-3.0.101-108.207.1</li>
<li>kernel-ec2-devel-3.0.101-108.207.1</li>
<li>kernel-default-debugsource-3.0.101-108.207.1</li>
<li>kernel-trace-devel-debuginfo-3.0.101-108.207.1</li>
<li>kernel-xen-debuginfo-3.0.101-108.207.1</li>
<li>kernel-default-debuginfo-3.0.101-108.207.1</li>
<li>kernel-trace-debugsource-3.0.101-108.207.1</li>
<li>kernel-trace-base-3.0.101-108.207.1</li>
<li>kernel-xen-devel-debuginfo-3.0.101-108.207.1</li>
<li>kernel-syms-3.0.101-108.207.1</li>
<li>kernel-default-base-3.0.101-108.207.1</li>
<li>kernel-default-devel-debuginfo-3.0.101-108.207.1</li>
<li>kernel-xen-devel-3.0.101-108.207.1</li>
<li>kernel-trace-devel-3.0.101-108.207.1</li>
<li>kernel-source-3.0.101-108.207.1</li>
<li>kernel-xen-debugsource-3.0.101-108.207.1</li>
<li>kernel-ec2-base-3.0.101-108.207.1</li>
<li>kernel-trace-debuginfo-3.0.101-108.207.1</li>
<li>kernel-default-devel-3.0.101-108.207.1</li>
<li>kernel-ec2-debuginfo-3.0.101-108.207.1</li>
<li>kernel-ec2-devel-debuginfo-3.0.101-108.207.1</li>
<li>kernel-xen-base-3.0.101-108.207.1</li>
</ul>
</li>
<li>
SUSE Linux Enterprise Server 11 SP4 (noarch nosrc)
<ul>
<li>kernel-docs-3.0.101-108.207.1</li>
</ul>
</li>
</ul>
<h2>References:</h2>
<ul>
<li>
<a href="https://www.suse.com/security/cve/CVE-2025-38234.html">https://www.suse.com/security/cve/CVE-2025-38234.html</a>
</li>
<li>
<a href="https://www.suse.com/security/cve/CVE-2026-23243.html">https://www.suse.com/security/cve/CVE-2026-23243.html</a>
</li>
<li>
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1246057">https://bugzilla.suse.com/show_bug.cgi?id=1246057</a>
</li>
<li>
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1259797">https://bugzilla.suse.com/show_bug.cgi?id=1259797</a>
</li>
</ul>
</div>