<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-2026:4933-1</td>
</tr>
<tr>
<th>Release Date:</th>
<td>2026-10-29T09:17:03Z</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=1277821">bsc#1277821</a>
</li>
<li style="display: inline;">
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1280387">bsc#1280387</a>
</li>
<li style="display: inline;">
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1281280">bsc#1281280</a>
</li>
<li style="display: inline;">
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1285684">bsc#1285684</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-2026-74587.html">CVE-2026-74587</a>
</li>
<li style="display: inline;">
<a href="https://www.suse.com/security/cve/CVE-2026-89542.html">CVE-2026-89542</a>
</li>
<li style="display: inline;">
<a href="https://www.suse.com/security/cve/CVE-2026-90011.html">CVE-2026-90011</a>
</li>
<li style="display: inline;">
<a href="https://www.suse.com/security/cve/CVE-2026-99999.html">CVE-2026-99999</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-2026-74587</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-2026-74587</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-2026-89542</span>
<span class="cvss-source">
(
SUSE
):
</span>
<span class="cvss-score">7.7</span>
<span class="cvss-vector">CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:H/A:H</span>
</li>
<li class="list-group-item">
<span class="cvss-reference">CVE-2026-89542</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-2026-90011</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:L/I:N/A:H</span>
</li>
<li class="list-group-item">
<span class="cvss-reference">CVE-2026-90011</span>
<span class="cvss-source">
(
NVD
):
</span>
<span class="cvss-score">9.1</span>
<span class="cvss-vector">CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H</span>
</li>
<li class="list-group-item">
<span class="cvss-reference">CVE-2026-99999</span>
<span class="cvss-source">
(
SUSE
):
</span>
<span class="cvss-score">9.3</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:H/SI:H/SA:H</span>
</li>
<li class="list-group-item">
<span class="cvss-reference">CVE-2026-99999</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-2026-99999</span>
<span class="cvss-source">
(
NVD
):
</span>
<span class="cvss-score">9.3</span>
<span class="cvss-vector">CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:C/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 four 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-2026-74587: sctp: fix use-after-free of cached ASCONF chunk (bsc#1277821).</li>
<li>CVE-2026-89542: SUNRPC: harden gss_krb5_unwrap_v2 against short tokens (bsc#1280387).</li>
<li>CVE-2026-90011: scsi: target: iscsi: Reserve a terminator byte for the login payload (bsc#1281280).</li>
<li>CVE-2026-99999: ipv4: validate checksum_start before completing checksum (bsc#1285684).</li>
</ul>
<p>The following non security issues were fixed:</p>
<ul>
<li>ACPI, APEI, EINJ: Subtract any matching Register Region from Trigger resources (git-fixes).</li>
<li>ACPI: sysfs: Fix a buffer overrun problem with description_show() (git-fixes).</li>
<li>PCI: pciehp: Use RMW accessors for changing LNKCTL (git-fixes).</li>
<li>PCI: PM: Fix pci_power_up() (git-fixes).</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-2026-4933</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-2026-4933</code>
</li>
</ul>
<h2>Package List:</h2>
<ul>
<li>
SUSE Linux Enterprise Server 11 SP4 LTSS EXTREME CORE (nosrc x86_64)
<ul>
<li>kernel-default-3.0.101-108.226.1</li>
<li>kernel-xen-3.0.101-108.226.1</li>
<li>kernel-ec2-3.0.101-108.226.1</li>
<li>kernel-trace-3.0.101-108.226.1</li>
</ul>
</li>
<li>
SUSE Linux Enterprise Server 11 SP4 LTSS EXTREME CORE (x86_64)
<ul>
<li>kernel-trace-debuginfo-3.0.101-108.226.1</li>
<li>kernel-default-debuginfo-3.0.101-108.226.1</li>
<li>kernel-xen-debuginfo-3.0.101-108.226.1</li>
<li>kernel-xen-devel-3.0.101-108.226.1</li>
<li>kernel-syms-3.0.101-108.226.1</li>
<li>kernel-xen-base-3.0.101-108.226.1</li>
<li>kernel-xen-devel-debuginfo-3.0.101-108.226.1</li>
<li>kernel-default-devel-debuginfo-3.0.101-108.226.1</li>
<li>kernel-ec2-devel-3.0.101-108.226.1</li>
<li>kernel-trace-debugsource-3.0.101-108.226.1</li>
<li>kernel-default-base-3.0.101-108.226.1</li>
<li>kernel-ec2-base-3.0.101-108.226.1</li>
<li>kernel-trace-devel-debuginfo-3.0.101-108.226.1</li>
<li>kernel-ec2-devel-debuginfo-3.0.101-108.226.1</li>
<li>kernel-trace-devel-3.0.101-108.226.1</li>
<li>kernel-ec2-debugsource-3.0.101-108.226.1</li>
<li>kernel-trace-base-3.0.101-108.226.1</li>
<li>kernel-default-devel-3.0.101-108.226.1</li>
<li>kernel-default-debugsource-3.0.101-108.226.1</li>
<li>kernel-source-3.0.101-108.226.1</li>
<li>kernel-xen-debugsource-3.0.101-108.226.1</li>
<li>kernel-ec2-debuginfo-3.0.101-108.226.1</li>
</ul>
</li>
<li>
SUSE Linux Enterprise Server 11 SP4 LTSS EXTREME CORE (noarch nosrc)
<ul>
<li>kernel-docs-3.0.101-108.226.1</li>
</ul>
</li>
<li>
SUSE Linux Enterprise Server 11 SP4 (nosrc x86_64)
<ul>
<li>kernel-default-3.0.101-108.226.1</li>
<li>kernel-xen-3.0.101-108.226.1</li>
<li>kernel-ec2-3.0.101-108.226.1</li>
<li>kernel-trace-3.0.101-108.226.1</li>
</ul>
</li>
<li>
SUSE Linux Enterprise Server 11 SP4 (x86_64)
<ul>
<li>kernel-trace-debuginfo-3.0.101-108.226.1</li>
<li>kernel-default-debuginfo-3.0.101-108.226.1</li>
<li>kernel-xen-debuginfo-3.0.101-108.226.1</li>
<li>kernel-xen-devel-3.0.101-108.226.1</li>
<li>kernel-syms-3.0.101-108.226.1</li>
<li>kernel-xen-base-3.0.101-108.226.1</li>
<li>kernel-xen-devel-debuginfo-3.0.101-108.226.1</li>
<li>kernel-default-devel-debuginfo-3.0.101-108.226.1</li>
<li>kernel-ec2-devel-3.0.101-108.226.1</li>
<li>kernel-trace-debugsource-3.0.101-108.226.1</li>
<li>kernel-default-base-3.0.101-108.226.1</li>
<li>kernel-ec2-base-3.0.101-108.226.1</li>
<li>kernel-trace-devel-debuginfo-3.0.101-108.226.1</li>
<li>kernel-ec2-devel-debuginfo-3.0.101-108.226.1</li>
<li>kernel-trace-devel-3.0.101-108.226.1</li>
<li>kernel-ec2-debugsource-3.0.101-108.226.1</li>
<li>kernel-trace-base-3.0.101-108.226.1</li>
<li>kernel-default-devel-3.0.101-108.226.1</li>
<li>kernel-default-debugsource-3.0.101-108.226.1</li>
<li>kernel-source-3.0.101-108.226.1</li>
<li>kernel-xen-debugsource-3.0.101-108.226.1</li>
<li>kernel-ec2-debuginfo-3.0.101-108.226.1</li>
</ul>
</li>
<li>
SUSE Linux Enterprise Server 11 SP4 (noarch nosrc)
<ul>
<li>kernel-docs-3.0.101-108.226.1</li>
</ul>
</li>
</ul>
<h2>References:</h2>
<ul>
<li>
<a href="https://www.suse.com/security/cve/CVE-2026-74587.html">https://www.suse.com/security/cve/CVE-2026-74587.html</a>
</li>
<li>
<a href="https://www.suse.com/security/cve/CVE-2026-89542.html">https://www.suse.com/security/cve/CVE-2026-89542.html</a>
</li>
<li>
<a href="https://www.suse.com/security/cve/CVE-2026-90011.html">https://www.suse.com/security/cve/CVE-2026-90011.html</a>
</li>
<li>
<a href="https://www.suse.com/security/cve/CVE-2026-99999.html">https://www.suse.com/security/cve/CVE-2026-99999.html</a>
</li>
<li>
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1277821">https://bugzilla.suse.com/show_bug.cgi?id=1277821</a>
</li>
<li>
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1280387">https://bugzilla.suse.com/show_bug.cgi?id=1280387</a>
</li>
<li>
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1281280">https://bugzilla.suse.com/show_bug.cgi?id=1281280</a>
</li>
<li>
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1285684">https://bugzilla.suse.com/show_bug.cgi?id=1285684</a>
</li>
</ul>
</div>