<div class="container">
<h1>Security update for the Linux Kernel (Live Patch 33 for SUSE Linux Enterprise 15 SP4)</h1>
<table class="table table-striped table-bordered">
<tbody>
<tr>
<th>Announcement ID:</th>
<td>SUSE-SU-2025:4199-1</td>
</tr>
<tr>
<th>Release Date:</th>
<td>2025-11-24T12:33:54Z</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=1242882">bsc#1242882</a>
</li>
<li style="display: inline;">
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1245778">bsc#1245778</a>
</li>
<li style="display: inline;">
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1251983">bsc#1251983</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-2023-53673.html">CVE-2023-53673</a>
</li>
<li style="display: inline;">
<a href="https://www.suse.com/security/cve/CVE-2024-53141.html">CVE-2024-53141</a>
</li>
<li style="display: inline;">
<a href="https://www.suse.com/security/cve/CVE-2025-23145.html">CVE-2025-23145</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-2023-53673</span>
<span class="cvss-source">
(
SUSE
):
</span>
<span class="cvss-score">7.3</span>
<span class="cvss-vector">CVSS:4.0/AV:L/AC:L/AT:P/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-2023-53673</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-2024-53141</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-2024-53141</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-2024-53141</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-2025-23145</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:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N</span>
</li>
<li class="list-group-item">
<span class="cvss-reference">CVE-2025-23145</span>
<span class="cvss-source">
(
SUSE
):
</span>
<span class="cvss-score">7.5</span>
<span class="cvss-vector">CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H</span>
</li>
<li class="list-group-item">
<span class="cvss-reference">CVE-2025-23145</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>
</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 three vulnerabilities can now be installed.</p>
<h2>Description:</h2>
<p>This update for the SUSE Linux Enterprise kernel 5.14.21-150400.24.141 fixes various security issues</p>
<p>The following security issues were fixed:</p>
<ul>
<li>CVE-2023-53673: Bluetooth: hci_event: call disconnect callback before deleting conn (bsc#1251983).</li>
<li>CVE-2024-53141: netfilter: ipset: add missing range check in bitmap_ip_uadt (bsc#1245778).</li>
<li>CVE-2025-23145: mptcp: fix NULL pointer in can_accept_new_subflow (bsc#1242882).</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-2025-4199=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-SP4-2025-4199=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_141-default-debuginfo-18-150400.2.1</li>
<li>kernel-livepatch-SLE15-SP4_Update_33-debugsource-18-150400.2.1</li>
<li>kernel-livepatch-5_14_21-150400_24_141-default-18-150400.2.1</li>
</ul>
</li>
<li>
SUSE Linux Enterprise Live Patching 15-SP4 (ppc64le s390x x86_64)
<ul>
<li>kernel-livepatch-5_14_21-150400_24_141-default-debuginfo-18-150400.2.1</li>
<li>kernel-livepatch-SLE15-SP4_Update_33-debugsource-18-150400.2.1</li>
<li>kernel-livepatch-5_14_21-150400_24_141-default-18-150400.2.1</li>
</ul>
</li>
</ul>
<h2>References:</h2>
<ul>
<li>
<a href="https://www.suse.com/security/cve/CVE-2023-53673.html">https://www.suse.com/security/cve/CVE-2023-53673.html</a>
</li>
<li>
<a href="https://www.suse.com/security/cve/CVE-2024-53141.html">https://www.suse.com/security/cve/CVE-2024-53141.html</a>
</li>
<li>
<a href="https://www.suse.com/security/cve/CVE-2025-23145.html">https://www.suse.com/security/cve/CVE-2025-23145.html</a>
</li>
<li>
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1242882">https://bugzilla.suse.com/show_bug.cgi?id=1242882</a>
</li>
<li>
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1245778">https://bugzilla.suse.com/show_bug.cgi?id=1245778</a>
</li>
<li>
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1251983">https://bugzilla.suse.com/show_bug.cgi?id=1251983</a>
</li>
</ul>
</div>