<div class="container">
<h1>Security update for the Linux Kernel (Live Patch 35 for SUSE Linux Enterprise 15 SP5)</h1>
<table class="table table-striped table-bordered">
<tbody>
<tr>
<th>Announcement ID:</th>
<td>SUSE-SU-2026:3319-1</td>
</tr>
<tr>
<th>Release Date:</th>
<td>2026-07-28T03:33:52Z</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=1262404">bsc#1262404</a>
</li>
<li style="display: inline;">
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1264060">bsc#1264060</a>
</li>
<li style="display: inline;">
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1266970">bsc#1266970</a>
</li>
<li style="display: inline;">
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1270060">bsc#1270060</a>
</li>
<li style="display: inline;">
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1271648">bsc#1271648</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-2026-23240.html">CVE-2026-23240</a>
</li>
<li style="display: inline;">
<a href="https://www.suse.com/security/cve/CVE-2026-31738.html">CVE-2026-31738</a>
</li>
<li style="display: inline;">
<a href="https://www.suse.com/security/cve/CVE-2026-43038.html">CVE-2026-43038</a>
</li>
<li style="display: inline;">
<a href="https://www.suse.com/security/cve/CVE-2026-46113.html">CVE-2026-46113</a>
</li>
<li style="display: inline;">
<a href="https://www.suse.com/security/cve/CVE-2026-53359.html">CVE-2026-53359</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-2026-23240</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-2026-23240</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-2026-23240</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-2026-31738</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-2026-31738</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-2026-31738</span>
<span class="cvss-source">
(
NVD
):
</span>
<span class="cvss-score">5.5</span>
<span class="cvss-vector">CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H</span>
</li>
<li class="list-group-item">
<span class="cvss-reference">CVE-2026-43038</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-2026-43038</span>
<span class="cvss-source">
(
NVD
):
</span>
<span class="cvss-score">7.3</span>
<span class="cvss-vector">CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:L/A:H</span>
</li>
<li class="list-group-item">
<span class="cvss-reference">CVE-2026-43038</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-2026-46113</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-2026-46113</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-2026-46113</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-2026-53359</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-2026-53359</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-2026-53359</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>
</ul>
</td>
</tr>
<tr>
<th>Affected Products:</th>
<td>
<ul class="list-group">
<li class="list-group-item">openSUSE Leap 15.5</li>
<li class="list-group-item">SUSE Linux Enterprise High Performance Computing 15 SP5</li>
<li class="list-group-item">SUSE Linux Enterprise Live Patching 15-SP5</li>
<li class="list-group-item">SUSE Linux Enterprise Micro 5.5</li>
<li class="list-group-item">SUSE Linux Enterprise Real Time 15 SP5</li>
<li class="list-group-item">SUSE Linux Enterprise Server 15 SP5</li>
<li class="list-group-item">SUSE Linux Enterprise Server for SAP Applications 15 SP5</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 5.14.21-150500.55.136 fixes various security issues:</p>
<p>The following security issues were fixed:</p>
<ul>
<li>CVE-2026-23240: tls: Fix race condition in tls_sw_cancel_work_tx() (bsc#1262404).</li>
<li>CVE-2026-31738: vxlan: validate ND option lengths in vxlan_na_create (bsc#1264060).</li>
<li>CVE-2026-43038: ipv6: icmp: clear skb2->cb[] in ip6_err_gen_icmpv6_unreach() (bsc#1271648).</li>
<li>CVE-2026-46113: KVM: x86: Fix shadow paging use-after-free due to unexpected GFN (bsc#1266970).</li>
<li>CVE-2026-53359: KVM: x86: Fix shadow paging use-after-free due to unexpected role (bsc#1270060).</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-SP5
<br/>
<code>zypper in -t patch SUSE-SLE-Module-Live-Patching-15-SP5-2026-3319=1 SUSE-SLE-Module-Live-Patching-15-SP5-2026-3320=1</code>
</li>
<li class="list-group-item">
openSUSE Leap 15.5
<br/>
<code>zypper in -t patch SUSE-2026-3319=1 SUSE-2026-3320=1</code>
</li>
</ul>
<h2>Package List:</h2>
<ul>
<li>
SUSE Linux Enterprise Live Patching 15-SP5 (ppc64le s390x x86_64)
<ul>
<li>kernel-livepatch-5_14_21-150500_55_149-default-debuginfo-6-150500.2.1</li>
<li>kernel-livepatch-SLE15-SP5_Update_35-debugsource-10-150500.2.1</li>
<li>kernel-livepatch-5_14_21-150500_55_136-default-debuginfo-10-150500.2.1</li>
<li>kernel-livepatch-5_14_21-150500_55_149-default-6-150500.2.1</li>
<li>kernel-livepatch-SLE15-SP5_Update_38-debugsource-6-150500.2.1</li>
<li>kernel-livepatch-5_14_21-150500_55_136-default-10-150500.2.1</li>
</ul>
</li>
<li>
openSUSE Leap 15.5 (ppc64le s390x x86_64)
<ul>
<li>kernel-livepatch-5_14_21-150500_55_149-default-debuginfo-6-150500.2.1</li>
<li>kernel-livepatch-SLE15-SP5_Update_35-debugsource-10-150500.2.1</li>
<li>kernel-livepatch-5_14_21-150500_55_136-default-debuginfo-10-150500.2.1</li>
<li>kernel-livepatch-5_14_21-150500_55_149-default-6-150500.2.1</li>
<li>kernel-livepatch-SLE15-SP5_Update_38-debugsource-6-150500.2.1</li>
<li>kernel-livepatch-5_14_21-150500_55_136-default-10-150500.2.1</li>
</ul>
</li>
</ul>
<h2>References:</h2>
<ul>
<li>
<a href="https://www.suse.com/security/cve/CVE-2026-23240.html">https://www.suse.com/security/cve/CVE-2026-23240.html</a>
</li>
<li>
<a href="https://www.suse.com/security/cve/CVE-2026-31738.html">https://www.suse.com/security/cve/CVE-2026-31738.html</a>
</li>
<li>
<a href="https://www.suse.com/security/cve/CVE-2026-43038.html">https://www.suse.com/security/cve/CVE-2026-43038.html</a>
</li>
<li>
<a href="https://www.suse.com/security/cve/CVE-2026-46113.html">https://www.suse.com/security/cve/CVE-2026-46113.html</a>
</li>
<li>
<a href="https://www.suse.com/security/cve/CVE-2026-53359.html">https://www.suse.com/security/cve/CVE-2026-53359.html</a>
</li>
<li>
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1262404">https://bugzilla.suse.com/show_bug.cgi?id=1262404</a>
</li>
<li>
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1264060">https://bugzilla.suse.com/show_bug.cgi?id=1264060</a>
</li>
<li>
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1266970">https://bugzilla.suse.com/show_bug.cgi?id=1266970</a>
</li>
<li>
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1270060">https://bugzilla.suse.com/show_bug.cgi?id=1270060</a>
</li>
<li>
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1271648">https://bugzilla.suse.com/show_bug.cgi?id=1271648</a>
</li>
</ul>
</div>