<div class="container">
<h1>Security update for the Linux Kernel (Live Patch 5 for SLE 15 SP6)</h1>
<table class="table table-striped table-bordered">
<tbody>
<tr>
<th>Announcement ID:</th>
<td>SUSE-SU-2025:02638-1</td>
</tr>
<tr>
<th>Release Date:</th>
<td>2025-08-04T11:04:30Z</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>
<li style="display: inline;">
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1245804">bsc#1245804</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-2024-53125.html">CVE-2024-53125</a>
</li>
<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-2024-53125</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-2024-56664</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 15.4</li>
<li class="list-group-item">openSUSE Leap 15.6</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 Live Patching 15-SP6</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 Real Time 15 SP6</li>
<li class="list-group-item">SUSE Linux Enterprise Server 15 SP4</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 SP4</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 five vulnerabilities can now be installed.</p>
<h2>Description:</h2>
<p>This update for the Linux Kernel 6.4.0-150600_23_25 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-2024-53125: bpf: sync_linked_regs() must preserve subreg_def (bsc#1245804).</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">
openSUSE Leap 15.4
<br/>
<code>zypper in -t patch SUSE-2025-2630=1 SUSE-2025-2638=1 SUSE-2025-2639=1 SUSE-2025-2658=1 SUSE-2025-2640=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-SP4-2025-2630=1 SUSE-SLE-Module-Live-Patching-15-SP4-2025-2638=1 SUSE-SLE-Module-Live-Patching-15-SP4-2025-2639=1 SUSE-SLE-Module-Live-Patching-15-SP4-2025-2658=1 SUSE-SLE-Module-Live-Patching-15-SP4-2025-2640=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-SP6-2025-2624=1 SUSE-SLE-Module-Live-Patching-15-SP6-2025-2625=1 SUSE-SLE-Module-Live-Patching-15-SP6-2025-2633=1 SUSE-SLE-Module-Live-Patching-15-SP6-2025-2634=1 SUSE-SLE-Module-Live-Patching-15-SP6-2025-2643=1 SUSE-SLE-Module-Live-Patching-15-SP6-2025-2659=1</code>
</li>
<li class="list-group-item">
openSUSE Leap 15.6
<br/>
<code>zypper in -t patch SUSE-2025-2659=1</code>
</li>
</ul>
<h2>Package List:</h2>
<ul>
<li>
openSUSE Leap 15.4 (ppc64le s390x x86_64)
<ul>
<li>kernel-livepatch-SLE15-SP4_Update_35-debugsource-9-150400.2.1</li>
<li>kernel-livepatch-SLE15-SP4_Update_33-debugsource-11-150400.2.1</li>
<li>kernel-livepatch-5_14_21-150400_24_128-default-debuginfo-14-150400.2.1</li>
<li>kernel-livepatch-5_14_21-150400_24_133-default-12-150400.2.1</li>
<li>kernel-livepatch-5_14_21-150400_24_147-default-9-150400.2.1</li>
<li>kernel-livepatch-5_14_21-150400_24_136-default-debuginfo-12-150400.2.1</li>
<li>kernel-livepatch-5_14_21-150400_24_141-default-debuginfo-11-150400.2.1</li>
<li>kernel-livepatch-SLE15-SP4_Update_32-debugsource-12-150400.2.1</li>
<li>kernel-livepatch-SLE15-SP4_Update_31-debugsource-12-150400.2.1</li>
<li>kernel-livepatch-5_14_21-150400_24_141-default-11-150400.2.1</li>
<li>kernel-livepatch-SLE15-SP4_Update_29-debugsource-14-150400.2.1</li>
<li>kernel-livepatch-5_14_21-150400_24_133-default-debuginfo-12-150400.2.1</li>
<li>kernel-livepatch-5_14_21-150400_24_128-default-14-150400.2.1</li>
<li>kernel-livepatch-5_14_21-150400_24_136-default-12-150400.2.1</li>
<li>kernel-livepatch-5_14_21-150400_24_147-default-debuginfo-9-150400.2.1</li>
</ul>
</li>
<li>
SUSE Linux Enterprise Live Patching 15-SP4 (ppc64le s390x x86_64)
<ul>
<li>kernel-livepatch-SLE15-SP4_Update_35-debugsource-9-150400.2.1</li>
<li>kernel-livepatch-SLE15-SP4_Update_33-debugsource-11-150400.2.1</li>
<li>kernel-livepatch-5_14_21-150400_24_128-default-debuginfo-14-150400.2.1</li>
<li>kernel-livepatch-5_14_21-150400_24_133-default-12-150400.2.1</li>
<li>kernel-livepatch-5_14_21-150400_24_147-default-9-150400.2.1</li>
<li>kernel-livepatch-5_14_21-150400_24_136-default-debuginfo-12-150400.2.1</li>
<li>kernel-livepatch-5_14_21-150400_24_141-default-debuginfo-11-150400.2.1</li>
<li>kernel-livepatch-SLE15-SP4_Update_32-debugsource-12-150400.2.1</li>
<li>kernel-livepatch-SLE15-SP4_Update_31-debugsource-12-150400.2.1</li>
<li>kernel-livepatch-5_14_21-150400_24_141-default-11-150400.2.1</li>
<li>kernel-livepatch-SLE15-SP4_Update_29-debugsource-14-150400.2.1</li>
<li>kernel-livepatch-5_14_21-150400_24_133-default-debuginfo-12-150400.2.1</li>
<li>kernel-livepatch-5_14_21-150400_24_128-default-14-150400.2.1</li>
<li>kernel-livepatch-5_14_21-150400_24_136-default-12-150400.2.1</li>
<li>kernel-livepatch-5_14_21-150400_24_147-default-debuginfo-9-150400.2.1</li>
</ul>
</li>
<li>
SUSE Linux Enterprise Live Patching 15-SP6 (x86_64)
<ul>
<li>kernel-livepatch-6_4_0-150600_10_14-rt-debuginfo-13-150600.2.1</li>
<li>kernel-livepatch-SLE15-SP6-RT_Update_5-debugsource-12-150600.2.1</li>
<li>kernel-livepatch-6_4_0-150600_10_14-rt-13-150600.2.1</li>
<li>kernel-livepatch-SLE15-SP6-RT_Update_2-debugsource-14-150600.2.1</li>
<li>kernel-livepatch-6_4_0-150600_10_20-rt-debuginfo-9-150600.2.1</li>
<li>kernel-livepatch-6_4_0-150600_10_11-rt-debuginfo-14-150600.2.1</li>
<li>kernel-livepatch-SLE15-SP6-RT_Update_4-debugsource-13-150600.2.1</li>
<li>kernel-livepatch-6_4_0-150600_10_20-rt-9-150600.2.1</li>
<li>kernel-livepatch-6_4_0-150600_10_11-rt-14-150600.2.1</li>
<li>kernel-livepatch-6_4_0-150600_10_17-rt-debuginfo-12-150600.2.1</li>
<li>kernel-livepatch-SLE15-SP6-RT_Update_3-debugsource-14-150600.2.1</li>
<li>kernel-livepatch-6_4_0-150600_10_17-rt-12-150600.2.1</li>
<li>kernel-livepatch-SLE15-SP6-RT_Update_6-debugsource-9-150600.2.1</li>
<li>kernel-livepatch-6_4_0-150600_10_8-rt-14-150600.2.1</li>
<li>kernel-livepatch-6_4_0-150600_10_8-rt-debuginfo-14-150600.2.1</li>
</ul>
</li>
<li>
SUSE Linux Enterprise Live Patching 15-SP6 (ppc64le s390x x86_64)
<ul>
<li>kernel-livepatch-6_4_0-150600_23_25-default-13-150600.2.1</li>
<li>kernel-livepatch-SLE15-SP6_Update_5-debugsource-13-150600.2.1</li>
<li>kernel-livepatch-6_4_0-150600_23_25-default-debuginfo-13-150600.2.1</li>
</ul>
</li>
<li>
openSUSE Leap 15.6 (ppc64le s390x x86_64)
<ul>
<li>kernel-livepatch-6_4_0-150600_23_25-default-13-150600.2.1</li>
<li>kernel-livepatch-SLE15-SP6_Update_5-debugsource-13-150600.2.1</li>
<li>kernel-livepatch-6_4_0-150600_23_25-default-debuginfo-13-150600.2.1</li>
</ul>
</li>
</ul>
<h2>References:</h2>
<ul>
<li>
<a href="https://www.suse.com/security/cve/CVE-2024-53125.html">https://www.suse.com/security/cve/CVE-2024-53125.html</a>
</li>
<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>
<li>
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1245804">https://bugzilla.suse.com/show_bug.cgi?id=1245804</a>
</li>
</ul>
</div>