<div class="container">
<h1>Security update for the Linux Kernel RT (Live Patch 7 for SLE 15 SP6)</h1>
<table class="table table-striped table-bordered">
<tbody>
<tr>
<th>Announcement ID:</th>
<td>SUSE-SU-2025:02648-1</td>
</tr>
<tr>
<th>Release Date:</th>
<td>2025-08-04T10:05:04Z</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=1235250">bsc#1235250</a>
</li>
<li style="display: inline;">
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1245776">bsc#1245776</a>
</li>
<li style="display: inline;">
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1245793">bsc#1245793</a>
</li>
<li style="display: inline;">
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1245797">bsc#1245797</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-2024-56664.html">CVE-2024-56664</a>
</li>
<li style="display: inline;">
<a href="https://www.suse.com/security/cve/CVE-2025-21702.html">CVE-2025-21702</a>
</li>
<li style="display: inline;">
<a href="https://www.suse.com/security/cve/CVE-2025-37752.html">CVE-2025-37752</a>
</li>
<li style="display: inline;">
<a href="https://www.suse.com/security/cve/CVE-2025-37797.html">CVE-2025-37797</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-2024-56664</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-2024-56664</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-2024-56664</span>
<span class="cvss-source">
(
NVD
):
</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-2025-21702</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-2025-37752</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-2025-37797</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>
</ul>
</td>
</tr>
<tr>
<th>Affected Products:</th>
<td>
<ul class="list-group">
<li class="list-group-item">openSUSE Leap 15.3</li>
<li class="list-group-item">openSUSE Leap 15.5</li>
<li class="list-group-item">SUSE Linux Enterprise High Performance Computing 12 SP5</li>
<li class="list-group-item">SUSE Linux Enterprise High Performance Computing 15 SP3</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 12-SP5</li>
<li class="list-group-item">SUSE Linux Enterprise Live Patching 15-SP3</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 5.1</li>
<li class="list-group-item">SUSE Linux Enterprise Micro 5.2</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 12 SP5</li>
<li class="list-group-item">SUSE Linux Enterprise Server 15 SP3</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 12 SP5</li>
<li class="list-group-item">SUSE Linux Enterprise Server for SAP Applications 15 SP3</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 four vulnerabilities can now be installed.</p>
<h2>Description:</h2>
<p>This update for the Linux Kernel 6.4.0-150600_10_23 fixes several issues.</p>
<p>The following security issues were fixed:</p>
<ul>
<li>CVE-2024-56664: bpf, sockmap: Fix race between element replace and close() (bsc#1235250).</li>
<li>CVE-2025-37797: net_sched: hfsc: Fix a UAF vulnerability in class handling (bsc#1245793).</li>
<li>CVE-2025-37752: net_sched: sch_sfq: move the limit validation (bsc#1245776).</li>
<li>CVE-2025-21702: pfifo_tail_enqueue: Drop new packet when sch->limit == 0 (bsc#1245797).</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 12-SP5
<br/>
<code>zypper in -t patch SUSE-SLE-Live-Patching-12-SP5-2025-2648=1 SUSE-SLE-Live-Patching-12-SP5-2025-2646=1</code>
</li>
<li class="list-group-item">
openSUSE Leap 15.3
<br/>
<code>zypper in -t patch SUSE-2025-2649=1 SUSE-2025-2629=1 SUSE-2025-2628=1</code>
</li>
<li class="list-group-item">
SUSE Linux Enterprise Live Patching 15-SP3
<br/>
<code>zypper in -t patch SUSE-SLE-Module-Live-Patching-15-SP3-2025-2628=1 SUSE-SLE-Module-Live-Patching-15-SP3-2025-2649=1 SUSE-SLE-Module-Live-Patching-15-SP3-2025-2629=1</code>
</li>
<li class="list-group-item">
openSUSE Leap 15.5
<br/>
<code>zypper in -t patch SUSE-2025-2623=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-SP5-2025-2623=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-SP6-2025-2644=1</code>
</li>
</ul>
<h2>Package List:</h2>
<ul>
<li>
SUSE Linux Enterprise Live Patching 12-SP5 (ppc64le s390x x86_64)
<ul>
<li>kgraft-patch-4_12_14-122_225-default-14-2.1</li>
<li>kgraft-patch-4_12_14-122_222-default-15-2.1</li>
</ul>
</li>
<li>
openSUSE Leap 15.3 (ppc64le s390x x86_64)
<ul>
<li>kernel-livepatch-5_3_18-150300_59_188-default-debuginfo-8-150300.2.1</li>
<li>kernel-livepatch-SLE15-SP3_Update_49-debugsource-13-150300.2.1</li>
<li>kernel-livepatch-5_3_18-150300_59_188-default-8-150300.2.1</li>
<li>kernel-livepatch-5_3_18-150300_59_170-default-debuginfo-15-150300.2.1</li>
<li>kernel-livepatch-5_3_18-150300_59_170-default-15-150300.2.1</li>
<li>kernel-livepatch-5_3_18-150300_59_179-default-13-150300.2.1</li>
<li>kernel-livepatch-SLE15-SP3_Update_52-debugsource-8-150300.2.1</li>
<li>kernel-livepatch-SLE15-SP3_Update_47-debugsource-15-150300.2.1</li>
<li>kernel-livepatch-5_3_18-150300_59_179-default-debuginfo-13-150300.2.1</li>
</ul>
</li>
<li>
openSUSE Leap 15.3 (x86_64)
<ul>
<li>kernel-livepatch-5_3_18-150300_59_179-preempt-13-150300.2.1</li>
<li>kernel-livepatch-5_3_18-150300_59_170-preempt-debuginfo-15-150300.2.1</li>
<li>kernel-livepatch-5_3_18-150300_59_170-preempt-15-150300.2.1</li>
<li>kernel-livepatch-5_3_18-150300_59_179-preempt-debuginfo-13-150300.2.1</li>
<li>kernel-livepatch-5_3_18-150300_59_188-preempt-debuginfo-8-150300.2.1</li>
<li>kernel-livepatch-5_3_18-150300_59_188-preempt-8-150300.2.1</li>
</ul>
</li>
<li>
SUSE Linux Enterprise Live Patching 15-SP3 (ppc64le s390x x86_64)
<ul>
<li>kernel-livepatch-SLE15-SP3_Update_49-debugsource-13-150300.2.1</li>
<li>kernel-livepatch-5_3_18-150300_59_188-default-8-150300.2.1</li>
<li>kernel-livepatch-5_3_18-150300_59_170-default-debuginfo-15-150300.2.1</li>
<li>kernel-livepatch-5_3_18-150300_59_170-default-15-150300.2.1</li>
<li>kernel-livepatch-5_3_18-150300_59_179-default-13-150300.2.1</li>
<li>kernel-livepatch-SLE15-SP3_Update_47-debugsource-15-150300.2.1</li>
<li>kernel-livepatch-5_3_18-150300_59_179-default-debuginfo-13-150300.2.1</li>
</ul>
</li>
<li>
openSUSE Leap 15.5 (ppc64le s390x x86_64)
<ul>
<li>kernel-livepatch-5_14_21-150500_55_91-default-8-150500.2.1</li>
<li>kernel-livepatch-SLE15-SP5_Update_22-debugsource-8-150500.2.1</li>
<li>kernel-livepatch-5_14_21-150500_55_91-default-debuginfo-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_91-default-8-150500.2.1</li>
<li>kernel-livepatch-SLE15-SP5_Update_22-debugsource-8-150500.2.1</li>
<li>kernel-livepatch-5_14_21-150500_55_91-default-debuginfo-8-150500.2.1</li>
</ul>
</li>
<li>
SUSE Linux Enterprise Live Patching 15-SP6 (x86_64)
<ul>
<li>kernel-livepatch-SLE15-SP6-RT_Update_7-debugsource-9-150600.2.1</li>
<li>kernel-livepatch-6_4_0-150600_10_23-rt-9-150600.2.1</li>
<li>kernel-livepatch-6_4_0-150600_10_23-rt-debuginfo-9-150600.2.1</li>
</ul>
</li>
</ul>
<h2>References:</h2>
<ul>
<li>
<a href="https://www.suse.com/security/cve/CVE-2024-56664.html">https://www.suse.com/security/cve/CVE-2024-56664.html</a>
</li>
<li>
<a href="https://www.suse.com/security/cve/CVE-2025-21702.html">https://www.suse.com/security/cve/CVE-2025-21702.html</a>
</li>
<li>
<a href="https://www.suse.com/security/cve/CVE-2025-37752.html">https://www.suse.com/security/cve/CVE-2025-37752.html</a>
</li>
<li>
<a href="https://www.suse.com/security/cve/CVE-2025-37797.html">https://www.suse.com/security/cve/CVE-2025-37797.html</a>
</li>
<li>
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1235250">https://bugzilla.suse.com/show_bug.cgi?id=1235250</a>
</li>
<li>
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1245776">https://bugzilla.suse.com/show_bug.cgi?id=1245776</a>
</li>
<li>
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1245793">https://bugzilla.suse.com/show_bug.cgi?id=1245793</a>
</li>
<li>
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1245797">https://bugzilla.suse.com/show_bug.cgi?id=1245797</a>
</li>
</ul>
</div>