<div class="container">
<h1>Security update for the Linux Kernel RT (Live Patch 12 for SUSE Linux Enterprise Micro 6.0)</h1>
<table class="table table-striped table-bordered">
<tbody>
<tr>
<th>Announcement ID:</th>
<td>SUSE-SU-2026:22405-1</td>
</tr>
<tr>
<th>Release Date:</th>
<td>2026-06-24T09:59:05Z</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=1260907">bsc#1260907</a>
</li>
<li style="display: inline;">
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1261640">bsc#1261640</a>
</li>
<li style="display: inline;">
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1263088">bsc#1263088</a>
</li>
<li style="display: inline;">
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1263902">bsc#1263902</a>
</li>
<li style="display: inline;">
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1266229">bsc#1266229</a>
</li>
<li style="display: inline;">
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1267625">bsc#1267625</a>
</li>
<li style="display: inline;">
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1268282">bsc#1268282</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-2026-23278.html">CVE-2026-23278</a>
</li>
<li style="display: inline;">
<a href="https://www.suse.com/security/cve/CVE-2026-31402.html">CVE-2026-31402</a>
</li>
<li style="display: inline;">
<a href="https://www.suse.com/security/cve/CVE-2026-31504.html">CVE-2026-31504</a>
</li>
<li style="display: inline;">
<a href="https://www.suse.com/security/cve/CVE-2026-31694.html">CVE-2026-31694</a>
</li>
<li style="display: inline;">
<a href="https://www.suse.com/security/cve/CVE-2026-43503.html">CVE-2026-43503</a>
</li>
<li style="display: inline;">
<a href="https://www.suse.com/security/cve/CVE-2026-46323.html">CVE-2026-46323</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-2026-23278</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: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-2026-23278</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>
<li class="list-group-item">
<span class="cvss-reference">CVE-2026-23278</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-2026-31402</span>
<span class="cvss-source">
(
SUSE
):
</span>
<span class="cvss-score">8.8</span>
<span class="cvss-vector">CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:L/VA:H/SC:N/SI:N/SA:N</span>
</li>
<li class="list-group-item">
<span class="cvss-reference">CVE-2026-31402</span>
<span class="cvss-source">
(
SUSE
):
</span>
<span class="cvss-score">8.2</span>
<span class="cvss-vector">CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:H</span>
</li>
<li class="list-group-item">
<span class="cvss-reference">CVE-2026-31402</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-2026-31402</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-2026-31504</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-2026-31504</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>
<li class="list-group-item">
<span class="cvss-reference">CVE-2026-31504</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-2026-31694</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-2026-31694</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-2026-31694</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-2026-43503</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-2026-43503</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-2026-43503</span>
<span class="cvss-source">
(
NVD
):
</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>
<li class="list-group-item">
<span class="cvss-reference">CVE-2026-43503</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-2026-46323</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>
<li class="list-group-item">
<span class="cvss-reference">CVE-2026-46323</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-2026-46323</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 6.0</li>
</ul>
</td>
</tr>
</tbody>
</table>
<p>An update that solves six vulnerabilities and has one fix can now be installed.</p>
<h2>Description:</h2>
<p>This update for the SUSE Linux Enterprise Kernel 6.4.0-36.1 fixes various security issues</p>
<p>The following security issues were fixed:</p>
<ul>
<li>CVE-2026-23278: netfilter: nf_tables: always walk all pending catchall elements (bsc#1260907).</li>
<li>CVE-2026-31402: nfsd: fix heap overflow in NFSv4.0 LOCK replay cache (bsc#1261640).</li>
<li>CVE-2026-31504: net: fix fanout UAF in packet_release() via NETDEV_UP race (bsc#1263088).</li>
<li>CVE-2026-31694: fuse: reject oversized dirents in page cache (bsc#1263902).</li>
<li>CVE-2026-43503: final dirty.frag related fixes (bsc#1266229).</li>
<li>CVE-2026-46323: net: gro: don't merge zcopy skbs (bsc#1268282).</li>
<li>net/sched: fix pedit partial COW leading to page cache (bsc#1267625).</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 6.0
<br/>
<code>zypper in -t patch SUSE-SLE-Micro-6.0-kernel-472=1</code>
</li>
</ul>
<h2>Package List:</h2>
<ul>
<li>
SUSE Linux Micro 6.0 (x86_64)
<ul>
<li>kernel-livepatch-6_4_0-36-rt-debuginfo-12-1.1</li>
<li>kernel-livepatch-6_4_0-36-rt-12-1.1</li>
<li>kernel-livepatch-MICRO-6-0-RT_Update_12-debugsource-12-1.1</li>
</ul>
</li>
</ul>
<h2>References:</h2>
<ul>
<li>
<a href="https://www.suse.com/security/cve/CVE-2026-23278.html">https://www.suse.com/security/cve/CVE-2026-23278.html</a>
</li>
<li>
<a href="https://www.suse.com/security/cve/CVE-2026-31402.html">https://www.suse.com/security/cve/CVE-2026-31402.html</a>
</li>
<li>
<a href="https://www.suse.com/security/cve/CVE-2026-31504.html">https://www.suse.com/security/cve/CVE-2026-31504.html</a>
</li>
<li>
<a href="https://www.suse.com/security/cve/CVE-2026-31694.html">https://www.suse.com/security/cve/CVE-2026-31694.html</a>
</li>
<li>
<a href="https://www.suse.com/security/cve/CVE-2026-43503.html">https://www.suse.com/security/cve/CVE-2026-43503.html</a>
</li>
<li>
<a href="https://www.suse.com/security/cve/CVE-2026-46323.html">https://www.suse.com/security/cve/CVE-2026-46323.html</a>
</li>
<li>
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1260907">https://bugzilla.suse.com/show_bug.cgi?id=1260907</a>
</li>
<li>
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1261640">https://bugzilla.suse.com/show_bug.cgi?id=1261640</a>
</li>
<li>
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1263088">https://bugzilla.suse.com/show_bug.cgi?id=1263088</a>
</li>
<li>
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1263902">https://bugzilla.suse.com/show_bug.cgi?id=1263902</a>
</li>
<li>
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1266229">https://bugzilla.suse.com/show_bug.cgi?id=1266229</a>
</li>
<li>
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1267625">https://bugzilla.suse.com/show_bug.cgi?id=1267625</a>
</li>
<li>
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1268282">https://bugzilla.suse.com/show_bug.cgi?id=1268282</a>
</li>
</ul>
</div>