<div class="container">
<h1>Security update for the Linux Kernel RT (Live Patch 6 for SLE 15 SP6)</h1>
<table class="table table-striped table-bordered">
<tbody>
<tr>
<th>Announcement ID:</th>
<td>SUSE-SU-2025:03469-1</td>
</tr>
<tr>
<th>Release Date:</th>
<td>2025-10-07T12:40:52Z</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=1237048">bsc#1237048</a>
</li>
<li style="display: inline;">
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1240744">bsc#1240744</a>
</li>
<li style="display: inline;">
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1243650">bsc#1243650</a>
</li>
<li style="display: inline;">
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1245509">bsc#1245509</a>
</li>
<li style="display: inline;">
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1247315">bsc#1247315</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-2024-53168.html">CVE-2024-53168</a>
</li>
<li style="display: inline;">
<a href="https://www.suse.com/security/cve/CVE-2025-21692.html">CVE-2025-21692</a>
</li>
<li style="display: inline;">
<a href="https://www.suse.com/security/cve/CVE-2025-21791.html">CVE-2025-21791</a>
</li>
<li style="display: inline;">
<a href="https://www.suse.com/security/cve/CVE-2025-38089.html">CVE-2025-38089</a>
</li>
<li style="display: inline;">
<a href="https://www.suse.com/security/cve/CVE-2025-38477.html">CVE-2025-38477</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-2024-53168</span>
<span class="cvss-source">
(
SUSE
):
</span>
<span class="cvss-score">7.1</span>
<span class="cvss-vector">CVSS:4.0/AV:L/AC:H/AT:N/PR:H/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-2024-53168</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-2024-53168</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-2024-53168</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-2025-21692</span>
<span class="cvss-source">
(
SUSE
):
</span>
<span class="cvss-score">6.9</span>
<span class="cvss-vector">CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/VA:H/SC:N/SI:N/SA:N</span>
</li>
<li class="list-group-item">
<span class="cvss-reference">CVE-2025-21692</span>
<span class="cvss-source">
(
SUSE
):
</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-2025-21692</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-2025-21692</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-2025-21791</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-2025-21791</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-2025-21791</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-2025-21791</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-2025-38089</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-2025-38089</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-2025-38477</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-2025-38477</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 Live Patching 15-SP6</li>
<li class="list-group-item">SUSE Linux Enterprise Real Time 15 SP6</li>
<li class="list-group-item">SUSE Linux Enterprise Server 15 SP6</li>
<li class="list-group-item">SUSE Linux Enterprise Server for SAP Applications 15 SP6</li>
</ul>
</td>
</tr>
</tbody>
</table>
<p>An update that solves five vulnerabilities can now be installed.</p>
<h2>Description:</h2>
<p>This update for the Linux Kernel 6.4.0-150600_10_20 fixes several issues.</p>
<p>The following security issues were fixed:</p>
<ul>
<li>CVE-2025-38477: net/sched: sch_qfq: Fix race condition on qfq_aggregate (bsc#1247315).</li>
<li>CVE-2024-53168: sunrpc: fix one UAF issue caused by sunrpc kernel tcp socket (bsc#1243650).</li>
<li>CVE-2025-21791: vrf: use RCU protection in l3mdev_l3_out() (bsc#1240744).</li>
<li>CVE-2025-38089: sunrpc: handle SVC_GARBAGE during svc auth processing as auth error (bsc#1245509).</li>
<li>CVE-2025-21692: net: sched: fix ets qdisc OOB Indexing (bsc#1237048).</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 15-SP6
<br/>
<code>zypper in -t patch SUSE-SLE-Module-Live-Patching-15-SP6-2025-3469=1</code>
</li>
</ul>
<h2>Package List:</h2>
<ul>
<li>
SUSE Linux Enterprise Live Patching 15-SP6 (x86_64)
<ul>
<li>kernel-livepatch-6_4_0-150600_10_20-rt-debuginfo-13-150600.2.1</li>
<li>kernel-livepatch-6_4_0-150600_10_20-rt-13-150600.2.1</li>
<li>kernel-livepatch-SLE15-SP6-RT_Update_6-debugsource-13-150600.2.1</li>
</ul>
</li>
</ul>
<h2>References:</h2>
<ul>
<li>
<a href="https://www.suse.com/security/cve/CVE-2024-53168.html">https://www.suse.com/security/cve/CVE-2024-53168.html</a>
</li>
<li>
<a href="https://www.suse.com/security/cve/CVE-2025-21692.html">https://www.suse.com/security/cve/CVE-2025-21692.html</a>
</li>
<li>
<a href="https://www.suse.com/security/cve/CVE-2025-21791.html">https://www.suse.com/security/cve/CVE-2025-21791.html</a>
</li>
<li>
<a href="https://www.suse.com/security/cve/CVE-2025-38089.html">https://www.suse.com/security/cve/CVE-2025-38089.html</a>
</li>
<li>
<a href="https://www.suse.com/security/cve/CVE-2025-38477.html">https://www.suse.com/security/cve/CVE-2025-38477.html</a>
</li>
<li>
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1237048">https://bugzilla.suse.com/show_bug.cgi?id=1237048</a>
</li>
<li>
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1240744">https://bugzilla.suse.com/show_bug.cgi?id=1240744</a>
</li>
<li>
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1243650">https://bugzilla.suse.com/show_bug.cgi?id=1243650</a>
</li>
<li>
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1245509">https://bugzilla.suse.com/show_bug.cgi?id=1245509</a>
</li>
<li>
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1247315">https://bugzilla.suse.com/show_bug.cgi?id=1247315</a>
</li>
</ul>
</div>