<div class="container">
<h1>Security update for the Linux Kernel (Live Patch 26 for SUSE Linux Enterprise 15 SP6)</h1>
<table class="table table-striped table-bordered">
<tbody>
<tr>
<th>Announcement ID:</th>
<td>SUSE-SU-2026:2553-1</td>
</tr>
<tr>
<th>Release Date:</th>
<td>2026-06-23T11:34:46Z</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=1266229">bsc#1266229</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-2026-43503.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-2026-43503</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">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>
</ul>
</td>
</tr>
<tr>
<th>Affected Products:</th>
<td>
<ul class="list-group">
<li class="list-group-item">openSUSE Leap 15.6</li>
<li class="list-group-item">SUSE Linux Enterprise High Performance Computing 12 SP5</li>
<li class="list-group-item">SUSE Linux Enterprise Live Patching 12-SP5</li>
<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 12 SP5</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 12 SP5</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 two vulnerabilities can now be installed.</p>
<h2>Description:</h2>
<p>This update for the SUSE Linux Enterprise Kernel 6.4.0-150600.23.112 fixes various security issues</p>
<p>The following security issues were fixed:</p>
<ul>
<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>
</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-SP6-2026-2526=1</code>
</li>
<li class="list-group-item">
SUSE Linux Enterprise Live Patching 12-SP5
<br/>
<code>zypper in -t patch SUSE-SLE-Live-Patching-12-SP5-2026-2553=1</code>
</li>
<li class="list-group-item">
openSUSE Leap 15.6
<br/>
<code>zypper in -t patch SUSE-2026-2526=1</code>
</li>
</ul>
<h2>Package List:</h2>
<ul>
<li>
SUSE Linux Enterprise Live Patching 12-SP5 (ppc64le s390x x86_64)
<ul>
<li>kgraft-patch-4_12_14-122_310-default-2-2.1</li>
</ul>
</li>
<li>
SUSE Linux Enterprise Live Patching 15-SP6 (ppc64le s390x x86_64)
<ul>
<li>kernel-livepatch-6_4_0-150600_23_112-default-debuginfo-2-150600.2.1</li>
<li>kernel-livepatch-6_4_0-150600_23_112-default-2-150600.2.1</li>
<li>kernel-livepatch-SLE15-SP6_Update_26-debugsource-2-150600.2.1</li>
</ul>
</li>
<li>
openSUSE Leap 15.6 (ppc64le s390x x86_64)
<ul>
<li>kernel-livepatch-6_4_0-150600_23_112-default-debuginfo-2-150600.2.1</li>
<li>kernel-livepatch-6_4_0-150600_23_112-default-2-150600.2.1</li>
<li>kernel-livepatch-SLE15-SP6_Update_26-debugsource-2-150600.2.1</li>
</ul>
</li>
</ul>
<h2>References:</h2>
<ul>
<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=1266229">https://bugzilla.suse.com/show_bug.cgi?id=1266229</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>