<div class="container">
<h1>Security update for the Linux Kernel (Live Patch 21 for SUSE Linux Enterprise 15 SP6)</h1>
<table class="table table-striped table-bordered">
<tbody>
<tr>
<th>Announcement ID:</th>
<td>SUSE-SU-2026:2172-1</td>
</tr>
<tr>
<th>Release Date:</th>
<td>2026-05-31T15:06:21Z</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=1259798">bsc#1259798</a>
</li>
<li style="display: inline;">
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1260563">bsc#1260563</a>
</li>
<li style="display: inline;">
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1260908">bsc#1260908</a>
</li>
<li style="display: inline;">
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1264096">bsc#1264096</a>
</li>
<li style="display: inline;">
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1265224">bsc#1265224</a>
</li>
<li style="display: inline;">
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1265384">bsc#1265384</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-2025-54518.html">CVE-2025-54518</a>
</li>
<li style="display: inline;">
<a href="https://www.suse.com/security/cve/CVE-2026-23243.html">CVE-2026-23243</a>
</li>
<li style="display: inline;">
<a href="https://www.suse.com/security/cve/CVE-2026-23274.html">CVE-2026-23274</a>
</li>
<li style="display: inline;">
<a href="https://www.suse.com/security/cve/CVE-2026-23317.html">CVE-2026-23317</a>
</li>
<li style="display: inline;">
<a href="https://www.suse.com/security/cve/CVE-2026-46300.html">CVE-2026-46300</a>
</li>
<li style="display: inline;">
<a href="https://www.suse.com/security/cve/CVE-2026-46333.html">CVE-2026-46333</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-2025-54518</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-2025-54518</span>
<span class="cvss-source">
(
SUSE
):
</span>
<span class="cvss-score">7.4</span>
<span class="cvss-vector">CVSS:3.1/AV:L/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-2025-54518</span>
<span class="cvss-source">
(
NVD
):
</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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X</span>
</li>
<li class="list-group-item">
<span class="cvss-reference">CVE-2026-23243</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-2026-23243</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-2026-23243</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-2026-23274</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-2026-23274</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-2026-23274</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-2026-23317</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: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-2026-23317</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-2026-23317</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-2026-46300</span>
<span class="cvss-source">
(
SUSE
):
</span>
<span class="cvss-score">8.6</span>
<span class="cvss-vector">CVSS:4.0/AV:L/AC:L/AT:N/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-2026-46300</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-2026-46300</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-2026-46300</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-2026-46333</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-2026-46333</span>
<span class="cvss-source">
(
NVD
):
</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:H/A:N</span>
</li>
<li class="list-group-item">
<span class="cvss-reference">CVE-2026-46333</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:H/I:N/A:N</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">openSUSE Leap 15.6</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 Live Patching 15-SP6</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 Real Time 15 SP6</li>
<li class="list-group-item">SUSE Linux Enterprise Server 15 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 15 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 six vulnerabilities can now be installed.</p>
<h2>Description:</h2>
<p>This update for the SUSE Linux Enterprise Kernel 6.4.0-150600.23.92 fixes various security issues</p>
<p>The following security issues were fixed:</p>
<ul>
<li>CVE-2025-54518: AMD-SN-7052: CPU OP Cache Corruption (bsc#1264096).</li>
<li>CVE-2026-23243: RDMA/umad: Reject negative data_len in ib_umad_write (bsc#1259798).</li>
<li>CVE-2026-23274: netfilter: xt_IDLETIMER: reject rev0 reuse of ALARM timer labels (bsc#1260908).</li>
<li>CVE-2026-23317: drm/vmwgfx: Return the correct value in vmw_translate_ptr functions (bsc#1260563).</li>
<li>CVE-2026-46300: FragNesia attack: another xfrm/esp based local root exploit (bsc#1265224).</li>
<li>CVE-2026-46333: ptrace: slightly saner 'get_dumpable()' logic (bsc#1265384).</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">
openSUSE Leap 15.5
<br/>
<code>zypper in -t patch SUSE-2026-2172=1</code>
</li>
<li class="list-group-item">
SUSE Linux Enterprise Live Patching 15-SP5
<br/>
<code>zypper in -t patch SUSE-SLE-Module-Live-Patching-15-SP5-2026-2172=1</code>
</li>
<li class="list-group-item">
openSUSE Leap 15.6
<br/>
<code>zypper in -t patch SUSE-2026-2170=1 SUSE-2026-2171=1 SUSE-2026-2165=1 SUSE-2026-2166=1 SUSE-2026-2167=1 SUSE-2026-2173=1 SUSE-2026-2169=1</code>
</li>
<li class="list-group-item">
SUSE Linux Enterprise Live Patching 15-SP6
<br/>
<code>zypper in -t patch SUSE-SLE-Module-Live-Patching-15-SP6-2026-2170=1 SUSE-SLE-Module-Live-Patching-15-SP6-2026-2171=1 SUSE-SLE-Module-Live-Patching-15-SP6-2026-2165=1 SUSE-SLE-Module-Live-Patching-15-SP6-2026-2166=1 SUSE-SLE-Module-Live-Patching-15-SP6-2026-2167=1 SUSE-SLE-Module-Live-Patching-15-SP6-2026-2173=1 SUSE-SLE-Module-Live-Patching-15-SP6-2026-2169=1</code>
</li>
</ul>
<h2>Package List:</h2>
<ul>
<li>
openSUSE Leap 15.5 (ppc64le s390x x86_64)
<ul>
<li>kernel-livepatch-5_14_21-150500_55_130-default-debuginfo-8-150500.2.1</li>
<li>kernel-livepatch-5_14_21-150500_55_130-default-8-150500.2.1</li>
<li>kernel-livepatch-SLE15-SP5_Update_33-debugsource-8-150500.2.1</li>
</ul>
</li>
<li>
SUSE Linux Enterprise Live Patching 15-SP5 (ppc64le s390x x86_64)
<ul>
<li>kernel-livepatch-5_14_21-150500_55_130-default-debuginfo-8-150500.2.1</li>
<li>kernel-livepatch-5_14_21-150500_55_130-default-8-150500.2.1</li>
<li>kernel-livepatch-SLE15-SP5_Update_33-debugsource-8-150500.2.1</li>
</ul>
</li>
<li>
openSUSE Leap 15.6 (ppc64le s390x x86_64)
<ul>
<li>kernel-livepatch-6_4_0-150600_23_50-default-debuginfo-18-150600.2.1</li>
<li>kernel-livepatch-6_4_0-150600_23_81-default-debuginfo-7-150600.2.1</li>
<li>kernel-livepatch-SLE15-SP6_Update_13-debugsource-16-150600.2.1</li>
<li>kernel-livepatch-6_4_0-150600_23_65-default-12-150600.2.1</li>
<li>kernel-livepatch-SLE15-SP6_Update_20-debugsource-6-150600.2.1</li>
<li>kernel-livepatch-6_4_0-150600_23_60-default-debuginfo-16-150600.2.1</li>
<li>kernel-livepatch-6_4_0-150600_23_50-default-18-150600.2.1</li>
<li>kernel-livepatch-6_4_0-150600_23_60-default-16-150600.2.1</li>
<li>kernel-livepatch-6_4_0-150600_23_92-default-4-150600.2.1</li>
<li>kernel-livepatch-SLE15-SP6_Update_14-debugsource-12-150600.2.1</li>
<li>kernel-livepatch-6_4_0-150600_23_87-default-6-150600.2.1</li>
<li>kernel-livepatch-SLE15-SP6_Update_11-debugsource-18-150600.2.1</li>
<li>kernel-livepatch-SLE15-SP6_Update_21-debugsource-4-150600.2.1</li>
<li>kernel-livepatch-SLE15-SP6_Update_12-debugsource-18-150600.2.1</li>
<li>kernel-livepatch-6_4_0-150600_23_53-default-18-150600.2.1</li>
<li>kernel-livepatch-6_4_0-150600_23_81-default-7-150600.2.1</li>
<li>kernel-livepatch-6_4_0-150600_23_65-default-debuginfo-12-150600.2.1</li>
<li>kernel-livepatch-SLE15-SP6_Update_18-debugsource-7-150600.2.1</li>
<li>kernel-livepatch-6_4_0-150600_23_53-default-debuginfo-18-150600.2.1</li>
<li>kernel-livepatch-6_4_0-150600_23_87-default-debuginfo-6-150600.2.1</li>
<li>kernel-livepatch-6_4_0-150600_23_92-default-debuginfo-4-150600.2.1</li>
</ul>
</li>
<li>
SUSE Linux Enterprise Live Patching 15-SP6 (ppc64le s390x x86_64)
<ul>
<li>kernel-livepatch-6_4_0-150600_23_50-default-debuginfo-18-150600.2.1</li>
<li>kernel-livepatch-6_4_0-150600_23_81-default-debuginfo-7-150600.2.1</li>
<li>kernel-livepatch-SLE15-SP6_Update_13-debugsource-16-150600.2.1</li>
<li>kernel-livepatch-6_4_0-150600_23_65-default-12-150600.2.1</li>
<li>kernel-livepatch-SLE15-SP6_Update_20-debugsource-6-150600.2.1</li>
<li>kernel-livepatch-6_4_0-150600_23_60-default-debuginfo-16-150600.2.1</li>
<li>kernel-livepatch-6_4_0-150600_23_50-default-18-150600.2.1</li>
<li>kernel-livepatch-6_4_0-150600_23_60-default-16-150600.2.1</li>
<li>kernel-livepatch-6_4_0-150600_23_92-default-4-150600.2.1</li>
<li>kernel-livepatch-SLE15-SP6_Update_14-debugsource-12-150600.2.1</li>
<li>kernel-livepatch-6_4_0-150600_23_87-default-6-150600.2.1</li>
<li>kernel-livepatch-SLE15-SP6_Update_11-debugsource-18-150600.2.1</li>
<li>kernel-livepatch-SLE15-SP6_Update_21-debugsource-4-150600.2.1</li>
<li>kernel-livepatch-SLE15-SP6_Update_12-debugsource-18-150600.2.1</li>
<li>kernel-livepatch-6_4_0-150600_23_53-default-18-150600.2.1</li>
<li>kernel-livepatch-6_4_0-150600_23_81-default-7-150600.2.1</li>
<li>kernel-livepatch-6_4_0-150600_23_65-default-debuginfo-12-150600.2.1</li>
<li>kernel-livepatch-SLE15-SP6_Update_18-debugsource-7-150600.2.1</li>
<li>kernel-livepatch-6_4_0-150600_23_53-default-debuginfo-18-150600.2.1</li>
<li>kernel-livepatch-6_4_0-150600_23_87-default-debuginfo-6-150600.2.1</li>
<li>kernel-livepatch-6_4_0-150600_23_92-default-debuginfo-4-150600.2.1</li>
</ul>
</li>
</ul>
<h2>References:</h2>
<ul>
<li>
<a href="https://www.suse.com/security/cve/CVE-2025-54518.html">https://www.suse.com/security/cve/CVE-2025-54518.html</a>
</li>
<li>
<a href="https://www.suse.com/security/cve/CVE-2026-23243.html">https://www.suse.com/security/cve/CVE-2026-23243.html</a>
</li>
<li>
<a href="https://www.suse.com/security/cve/CVE-2026-23274.html">https://www.suse.com/security/cve/CVE-2026-23274.html</a>
</li>
<li>
<a href="https://www.suse.com/security/cve/CVE-2026-23317.html">https://www.suse.com/security/cve/CVE-2026-23317.html</a>
</li>
<li>
<a href="https://www.suse.com/security/cve/CVE-2026-46300.html">https://www.suse.com/security/cve/CVE-2026-46300.html</a>
</li>
<li>
<a href="https://www.suse.com/security/cve/CVE-2026-46333.html">https://www.suse.com/security/cve/CVE-2026-46333.html</a>
</li>
<li>
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1259798">https://bugzilla.suse.com/show_bug.cgi?id=1259798</a>
</li>
<li>
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1260563">https://bugzilla.suse.com/show_bug.cgi?id=1260563</a>
</li>
<li>
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1260908">https://bugzilla.suse.com/show_bug.cgi?id=1260908</a>
</li>
<li>
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1264096">https://bugzilla.suse.com/show_bug.cgi?id=1264096</a>
</li>
<li>
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1265224">https://bugzilla.suse.com/show_bug.cgi?id=1265224</a>
</li>
<li>
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1265384">https://bugzilla.suse.com/show_bug.cgi?id=1265384</a>
</li>
</ul>
</div>