<div class="container">
<h1>Security update for the Linux Kernel RT (Live Patch 19 for SUSE Linux Enterprise 15 SP7)</h1>
<table class="table table-striped table-bordered">
<tbody>
<tr>
<th>Announcement ID:</th>
<td>SUSE-SU-2026:4433-1</td>
</tr>
<tr>
<th>Release Date:</th>
<td>2026-10-02T15:03:58Z</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=1272391">bsc#1272391</a>
</li>
<li style="display: inline;">
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1273012">bsc#1273012</a>
</li>
<li style="display: inline;">
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1273052">bsc#1273052</a>
</li>
<li style="display: inline;">
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1273833">bsc#1273833</a>
</li>
<li style="display: inline;">
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1273837">bsc#1273837</a>
</li>
<li style="display: inline;">
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1275228">bsc#1275228</a>
</li>
<li style="display: inline;">
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1277409">bsc#1277409</a>
</li>
<li style="display: inline;">
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1277506">bsc#1277506</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-2026-63888.html">CVE-2026-63888</a>
</li>
<li style="display: inline;">
<a href="https://www.suse.com/security/cve/CVE-2026-63920.html">CVE-2026-63920</a>
</li>
<li style="display: inline;">
<a href="https://www.suse.com/security/cve/CVE-2026-64000.html">CVE-2026-64000</a>
</li>
<li style="display: inline;">
<a href="https://www.suse.com/security/cve/CVE-2026-64114.html">CVE-2026-64114</a>
</li>
<li style="display: inline;">
<a href="https://www.suse.com/security/cve/CVE-2026-64121.html">CVE-2026-64121</a>
</li>
<li style="display: inline;">
<a href="https://www.suse.com/security/cve/CVE-2026-68121.html">CVE-2026-68121</a>
</li>
<li style="display: inline;">
<a href="https://www.suse.com/security/cve/CVE-2026-74394.html">CVE-2026-74394</a>
</li>
<li style="display: inline;">
<a href="https://www.suse.com/security/cve/CVE-2026-74612.html">CVE-2026-74612</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-2026-63888</span>
<span class="cvss-source">
(
SUSE
):
</span>
<span class="cvss-score">6.1</span>
<span class="cvss-vector">CVSS:4.0/AV:N/AC:H/AT:N/PR:L/UI:N/VC:L/VI:H/VA:H/SC:N/SI:N/SA:N</span>
</li>
<li class="list-group-item">
<span class="cvss-reference">CVE-2026-63888</span>
<span class="cvss-source">
(
SUSE
):
</span>
<span class="cvss-score">7.1</span>
<span class="cvss-vector">CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:H/A:H</span>
</li>
<li class="list-group-item">
<span class="cvss-reference">CVE-2026-63888</span>
<span class="cvss-source">
(
NVD
):
</span>
<span class="cvss-score">9.8</span>
<span class="cvss-vector">CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H</span>
</li>
<li class="list-group-item">
<span class="cvss-reference">CVE-2026-63920</span>
<span class="cvss-source">
(
SUSE
):
</span>
<span class="cvss-score">6.9</span>
<span class="cvss-vector">CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/VA:H/SC:N/SI:N/SA:N</span>
</li>
<li class="list-group-item">
<span class="cvss-reference">CVE-2026-63920</span>
<span class="cvss-source">
(
SUSE
):
</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:N/A:H</span>
</li>
<li class="list-group-item">
<span class="cvss-reference">CVE-2026-63920</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:N/A:H</span>
</li>
<li class="list-group-item">
<span class="cvss-reference">CVE-2026-64000</span>
<span class="cvss-source">
(
SUSE
):
</span>
<span class="cvss-score">7.1</span>
<span class="cvss-vector">CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:H/SC:N/SI:N/SA:N</span>
</li>
<li class="list-group-item">
<span class="cvss-reference">CVE-2026-64000</span>
<span class="cvss-source">
(
SUSE
):
</span>
<span class="cvss-score">7.1</span>
<span class="cvss-vector">CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:H</span>
</li>
<li class="list-group-item">
<span class="cvss-reference">CVE-2026-64000</span>
<span class="cvss-source">
(
NVD
):
</span>
<span class="cvss-score">9.8</span>
<span class="cvss-vector">CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H</span>
</li>
<li class="list-group-item">
<span class="cvss-reference">CVE-2026-64114</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-2026-64114</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-2026-64114</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-2026-64121</span>
<span class="cvss-source">
(
SUSE
):
</span>
<span class="cvss-score">6.9</span>
<span class="cvss-vector">CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/VA:H/SC:N/SI:N/SA:N</span>
</li>
<li class="list-group-item">
<span class="cvss-reference">CVE-2026-64121</span>
<span class="cvss-source">
(
SUSE
):
</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:N/A:H</span>
</li>
<li class="list-group-item">
<span class="cvss-reference">CVE-2026-64121</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:N/A:H</span>
</li>
<li class="list-group-item">
<span class="cvss-reference">CVE-2026-68121</span>
<span class="cvss-source">
(
SUSE
):
</span>
<span class="cvss-score">7.3</span>
<span class="cvss-vector">CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:L/A:H</span>
</li>
<li class="list-group-item">
<span class="cvss-reference">CVE-2026-68121</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-2026-74394</span>
<span class="cvss-source">
(
SUSE
):
</span>
<span class="cvss-score">6.8</span>
<span class="cvss-vector">CVSS:4.0/AV:L/AC:L/AT:N/PR:L/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-2026-74394</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-2026-74394</span>
<span class="cvss-source">
(
NVD
):
</span>
<span class="cvss-score">9.8</span>
<span class="cvss-vector">CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H</span>
</li>
<li class="list-group-item">
<span class="cvss-reference">CVE-2026-74612</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-2026-74612</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-2026-74612</span>
<span class="cvss-source">
(
NVD
):
</span>
<span class="cvss-score">10.0</span>
<span class="cvss-vector">CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/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">SUSE Linux Enterprise Live Patching 15-SP7</li>
<li class="list-group-item">SUSE Linux Enterprise Real Time 15 SP7</li>
<li class="list-group-item">SUSE Linux Enterprise Server 15 SP7</li>
<li class="list-group-item">SUSE Linux Enterprise Server for SAP Applications 15 SP7</li>
</ul>
</td>
</tr>
</tbody>
</table>
<p>An update that solves eight vulnerabilities can now be installed.</p>
<h2>Description:</h2>
<p>This update for the SUSE Linux Enterprise Kernel 6.4.0-150700.7.72 fixes various security issues:</p>
<p>The following security issues were fixed:</p>
<ul>
<li>CVE-2026-63888: scsi: target: iscsi: Fix CRC overread and double-free in iscsit_handle_text_cmd() (bsc#1272391).</li>
<li>CVE-2026-63920: ipv6: validate extension header length before copying to cmsg (bsc#1273012).</li>
<li>CVE-2026-64000: net: hsr: fix potential OOB access in supervision frame handling (bsc#1273052).</li>
<li>CVE-2026-64114: ipv4: raw: reject IP_HDRINCL packets with ihl < 5 (bsc#1273833).</li>
<li>CVE-2026-64121: net: ifb: report ethtool stats over num_tx_queues (bsc#1273837).</li>
<li>CVE-2026-68121: pppoe: reload header pointer after dev_hard_header() (bsc#1275228).</li>
<li>CVE-2026-74394: RDMA/srpt: fix integer overflow in immediate data length check (bsc#1277409).</li>
<li>CVE-2026-74612: veth: fix skb length accounting after XDP frag adjustment (bsc#1277506).</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 15-SP7
<br/>
<code>zypper in -t patch SUSE-SLE-Module-Live-Patching-15-SP7-2026-4433</code>
</li>
</ul>
<h2>Package List:</h2>
<ul>
<li>
SUSE Linux Enterprise Live Patching 15-SP7 (x86_64)
<ul>
<li>kernel-livepatch-6_4_0-150700_7_72-rt-debuginfo-3-150700.2.1</li>
<li>kernel-livepatch-SLE15-SP7-RT_Update_19-debugsource-3-150700.2.1</li>
<li>kernel-livepatch-6_4_0-150700_7_72-rt-3-150700.2.1</li>
</ul>
</li>
</ul>
<h2>References:</h2>
<ul>
<li>
<a href="https://www.suse.com/security/cve/CVE-2026-63888.html">https://www.suse.com/security/cve/CVE-2026-63888.html</a>
</li>
<li>
<a href="https://www.suse.com/security/cve/CVE-2026-63920.html">https://www.suse.com/security/cve/CVE-2026-63920.html</a>
</li>
<li>
<a href="https://www.suse.com/security/cve/CVE-2026-64000.html">https://www.suse.com/security/cve/CVE-2026-64000.html</a>
</li>
<li>
<a href="https://www.suse.com/security/cve/CVE-2026-64114.html">https://www.suse.com/security/cve/CVE-2026-64114.html</a>
</li>
<li>
<a href="https://www.suse.com/security/cve/CVE-2026-64121.html">https://www.suse.com/security/cve/CVE-2026-64121.html</a>
</li>
<li>
<a href="https://www.suse.com/security/cve/CVE-2026-68121.html">https://www.suse.com/security/cve/CVE-2026-68121.html</a>
</li>
<li>
<a href="https://www.suse.com/security/cve/CVE-2026-74394.html">https://www.suse.com/security/cve/CVE-2026-74394.html</a>
</li>
<li>
<a href="https://www.suse.com/security/cve/CVE-2026-74612.html">https://www.suse.com/security/cve/CVE-2026-74612.html</a>
</li>
<li>
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1272391">https://bugzilla.suse.com/show_bug.cgi?id=1272391</a>
</li>
<li>
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1273012">https://bugzilla.suse.com/show_bug.cgi?id=1273012</a>
</li>
<li>
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1273052">https://bugzilla.suse.com/show_bug.cgi?id=1273052</a>
</li>
<li>
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1273833">https://bugzilla.suse.com/show_bug.cgi?id=1273833</a>
</li>
<li>
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1273837">https://bugzilla.suse.com/show_bug.cgi?id=1273837</a>
</li>
<li>
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1275228">https://bugzilla.suse.com/show_bug.cgi?id=1275228</a>
</li>
<li>
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1277409">https://bugzilla.suse.com/show_bug.cgi?id=1277409</a>
</li>
<li>
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1277506">https://bugzilla.suse.com/show_bug.cgi?id=1277506</a>
</li>
</ul>
</div>