<div class="container">
<h1>Security update for the Linux Kernel RT (Live Patch 29 for SUSE Linux Enterprise Micro 6.0)</h1>
<table class="table table-striped table-bordered">
<tbody>
<tr>
<th>Announcement ID:</th>
<td>SUSE-SU-2026:24581-1</td>
</tr>
<tr>
<th>Release Date:</th>
<td>2026-11-02T08:57:53Z</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=1280285">bsc#1280285</a>
</li>
<li style="display: inline;">
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1280693">bsc#1280693</a>
</li>
<li style="display: inline;">
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1280728">bsc#1280728</a>
</li>
<li style="display: inline;">
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1280760">bsc#1280760</a>
</li>
<li style="display: inline;">
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1285686">bsc#1285686</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-2026-74469.html">CVE-2026-74469</a>
</li>
<li style="display: inline;">
<a href="https://www.suse.com/security/cve/CVE-2026-89544.html">CVE-2026-89544</a>
</li>
<li style="display: inline;">
<a href="https://www.suse.com/security/cve/CVE-2026-89551.html">CVE-2026-89551</a>
</li>
<li style="display: inline;">
<a href="https://www.suse.com/security/cve/CVE-2026-89674.html">CVE-2026-89674</a>
</li>
<li style="display: inline;">
<a href="https://www.suse.com/security/cve/CVE-2026-98432.html">CVE-2026-98432</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-2026-74469</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-2026-74469</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-2026-74469</span>
<span class="cvss-source">
(
NVD
):
</span>
<span class="cvss-score">8.8</span>
<span class="cvss-vector">CVSS:3.1/AV:N/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-2026-89544</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-2026-89544</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-2026-89544</span>
<span class="cvss-source">
(
NVD
):
</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-2026-89551</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-2026-89551</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-2026-89551</span>
<span class="cvss-source">
(
NVD
):
</span>
<span class="cvss-score">9.8</span>
<span class="cvss-vector">CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H</span>
</li>
<li class="list-group-item">
<span class="cvss-reference">CVE-2026-89674</span>
<span class="cvss-source">
(
SUSE
):
</span>
<span class="cvss-score">7.5</span>
<span class="cvss-vector">CVSS:3.1/AV:N/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-2026-89674</span>
<span class="cvss-source">
(
NVD
):
</span>
<span class="cvss-score">9.8</span>
<span class="cvss-vector">CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H</span>
</li>
<li class="list-group-item">
<span class="cvss-reference">CVE-2026-98432</span>
<span class="cvss-source">
(
SUSE
):
</span>
<span class="cvss-score">9.2</span>
<span class="cvss-vector">CVSS:4.0/AV:N/AC:L/AT:P/PR:N/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-2026-98432</span>
<span class="cvss-source">
(
SUSE
):
</span>
<span class="cvss-score">8.1</span>
<span class="cvss-vector">CVSS:3.1/AV:N/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-2026-98432</span>
<span class="cvss-source">
(
NVD
):
</span>
<span class="cvss-score">9.8</span>
<span class="cvss-vector">CVSS:3.1/AV:N/AC:L/PR:N/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 five vulnerabilities can now be installed.</p>
<h2>Description:</h2>
<p>This update for the SUSE Linux Enterprise Kernel 6.4.0-52.1 fixes various security issues:</p>
<p>The following security issues were fixed:</p>
<ul>
<li>CVE-2026-74469: sctp: prevent peer transport count overflow (bsc#1280693).</li>
<li>CVE-2026-89544: SUNRPC: fix gssx_dec_option_array error path bugs (bsc#1280760).</li>
<li>CVE-2026-89551: SUNRPC: xdr_buf_trim: clamp buf->len to avoid underflow (bsc#1280728).</li>
<li>CVE-2026-89674: nfsd: fix XDR length calculation in nfsd4_ff_encode_layoutget (bsc#1280285).</li>
<li>CVE-2026-98432: ipv4: free inet_opt and ireq_opt after an RCU grace period (bsc#1285686).</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-724</code>
</li>
</ul>
<h2>Package List:</h2>
<ul>
<li>
SUSE Linux Micro 6.1 (x86_64)
<ul>
<li>kernel-livepatch-6_4_0-52-rt-debuginfo-3-1.1</li>
<li>kernel-livepatch-6_4_0-52-rt-3-1.1</li>
<li>kernel-livepatch-MICRO-6-0-RT_Update_29-debugsource-3-1.1</li>
</ul>
</li>
</ul>
<h2>References:</h2>
<ul>
<li>
<a href="https://www.suse.com/security/cve/CVE-2026-74469.html">https://www.suse.com/security/cve/CVE-2026-74469.html</a>
</li>
<li>
<a href="https://www.suse.com/security/cve/CVE-2026-89544.html">https://www.suse.com/security/cve/CVE-2026-89544.html</a>
</li>
<li>
<a href="https://www.suse.com/security/cve/CVE-2026-89551.html">https://www.suse.com/security/cve/CVE-2026-89551.html</a>
</li>
<li>
<a href="https://www.suse.com/security/cve/CVE-2026-89674.html">https://www.suse.com/security/cve/CVE-2026-89674.html</a>
</li>
<li>
<a href="https://www.suse.com/security/cve/CVE-2026-98432.html">https://www.suse.com/security/cve/CVE-2026-98432.html</a>
</li>
<li>
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1280285">https://bugzilla.suse.com/show_bug.cgi?id=1280285</a>
</li>
<li>
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1280693">https://bugzilla.suse.com/show_bug.cgi?id=1280693</a>
</li>
<li>
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1280728">https://bugzilla.suse.com/show_bug.cgi?id=1280728</a>
</li>
<li>
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1280760">https://bugzilla.suse.com/show_bug.cgi?id=1280760</a>
</li>
<li>
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1285686">https://bugzilla.suse.com/show_bug.cgi?id=1285686</a>
</li>
</ul>
</div>