<div class="container">
<h1>Security update for the Linux Kernel (Live Patch 45 for SUSE Linux Enterprise 15 SP4)</h1>
<table class="table table-striped table-bordered">
<tbody>
<tr>
<th>Announcement ID:</th>
<td>SUSE-SU-2026:2141-1</td>
</tr>
<tr>
<th>Release Date:</th>
<td>2026-05-31T04:35:52Z</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=1259798">bsc#1259798</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-2026-46300.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-2026-46300</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 15.4</li>
<li class="list-group-item">SUSE Linux Enterprise High Performance Computing 15 SP4</li>
<li class="list-group-item">SUSE Linux Enterprise Live Patching 15-SP4</li>
<li class="list-group-item">SUSE Linux Enterprise Micro 5.3</li>
<li class="list-group-item">SUSE Linux Enterprise Micro 5.4</li>
<li class="list-group-item">SUSE Linux Enterprise Real Time 15 SP4</li>
<li class="list-group-item">SUSE Linux Enterprise Server 15 SP4</li>
<li class="list-group-item">SUSE Linux Enterprise Server for SAP Applications 15 SP4</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 5.14.21-150400.24.179 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-2026-46300: 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 15.4
<br/>
<code>zypper in -t patch SUSE-2026-2141=1 SUSE-2026-2142=1 SUSE-2026-2145=1 SUSE-2026-2143=1 SUSE-2026-2146=1 SUSE-2026-2147=1</code>
</li>
<li class="list-group-item">
SUSE Linux Enterprise Live Patching 15-SP4
<br/>
<code>zypper in -t patch SUSE-SLE-Module-Live-Patching-15-SP4-2026-2141=1 SUSE-SLE-Module-Live-Patching-15-SP4-2026-2142=1 SUSE-SLE-Module-Live-Patching-15-SP4-2026-2145=1 SUSE-SLE-Module-Live-Patching-15-SP4-2026-2143=1 SUSE-SLE-Module-Live-Patching-15-SP4-2026-2146=1 SUSE-SLE-Module-Live-Patching-15-SP4-2026-2147=1</code>
</li>
</ul>
<h2>Package List:</h2>
<ul>
<li>
openSUSE Leap 15.4 (ppc64le s390x x86_64)
<ul>
<li>kernel-livepatch-5_14_21-150400_24_167-default-19-150400.2.1</li>
<li>kernel-livepatch-5_14_21-150400_24_164-default-20-150400.2.1</li>
<li>kernel-livepatch-SLE15-SP4_Update_44-debugsource-14-150400.2.1</li>
<li>kernel-livepatch-5_14_21-150400_24_164-default-debuginfo-20-150400.2.1</li>
<li>kernel-livepatch-5_14_21-150400_24_170-default-18-150400.2.1</li>
<li>kernel-livepatch-5_14_21-150400_24_173-default-debuginfo-15-150400.2.1</li>
<li>kernel-livepatch-5_14_21-150400_24_167-default-debuginfo-19-150400.2.1</li>
<li>kernel-livepatch-5_14_21-150400_24_176-default-debuginfo-14-150400.2.1</li>
<li>kernel-livepatch-5_14_21-150400_24_179-default-debuginfo-12-150400.2.1</li>
<li>kernel-livepatch-5_14_21-150400_24_170-default-debuginfo-18-150400.2.1</li>
<li>kernel-livepatch-SLE15-SP4_Update_41-debugsource-19-150400.2.1</li>
<li>kernel-livepatch-5_14_21-150400_24_173-default-15-150400.2.1</li>
<li>kernel-livepatch-5_14_21-150400_24_176-default-14-150400.2.1</li>
<li>kernel-livepatch-SLE15-SP4_Update_43-debugsource-15-150400.2.1</li>
<li>kernel-livepatch-5_14_21-150400_24_179-default-12-150400.2.1</li>
<li>kernel-livepatch-SLE15-SP4_Update_45-debugsource-12-150400.2.1</li>
<li>kernel-livepatch-SLE15-SP4_Update_42-debugsource-18-150400.2.1</li>
<li>kernel-livepatch-SLE15-SP4_Update_40-debugsource-20-150400.2.1</li>
</ul>
</li>
<li>
SUSE Linux Enterprise Live Patching 15-SP4 (ppc64le s390x x86_64)
<ul>
<li>kernel-livepatch-5_14_21-150400_24_167-default-19-150400.2.1</li>
<li>kernel-livepatch-5_14_21-150400_24_164-default-20-150400.2.1</li>
<li>kernel-livepatch-SLE15-SP4_Update_44-debugsource-14-150400.2.1</li>
<li>kernel-livepatch-5_14_21-150400_24_164-default-debuginfo-20-150400.2.1</li>
<li>kernel-livepatch-5_14_21-150400_24_170-default-18-150400.2.1</li>
<li>kernel-livepatch-5_14_21-150400_24_173-default-debuginfo-15-150400.2.1</li>
<li>kernel-livepatch-5_14_21-150400_24_167-default-debuginfo-19-150400.2.1</li>
<li>kernel-livepatch-5_14_21-150400_24_176-default-debuginfo-14-150400.2.1</li>
<li>kernel-livepatch-5_14_21-150400_24_179-default-debuginfo-12-150400.2.1</li>
<li>kernel-livepatch-5_14_21-150400_24_170-default-debuginfo-18-150400.2.1</li>
<li>kernel-livepatch-SLE15-SP4_Update_41-debugsource-19-150400.2.1</li>
<li>kernel-livepatch-5_14_21-150400_24_173-default-15-150400.2.1</li>
<li>kernel-livepatch-5_14_21-150400_24_176-default-14-150400.2.1</li>
<li>kernel-livepatch-SLE15-SP4_Update_43-debugsource-15-150400.2.1</li>
<li>kernel-livepatch-5_14_21-150400_24_179-default-12-150400.2.1</li>
<li>kernel-livepatch-SLE15-SP4_Update_45-debugsource-12-150400.2.1</li>
<li>kernel-livepatch-SLE15-SP4_Update_42-debugsource-18-150400.2.1</li>
<li>kernel-livepatch-SLE15-SP4_Update_40-debugsource-20-150400.2.1</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-2026-46300.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=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>