<div class="container">
<h1>Security update for the Linux Kernel</h1>
<table class="table table-striped table-bordered">
<tbody>
<tr>
<th>Announcement ID:</th>
<td>SUSE-SU-2026:0034-1</td>
</tr>
<tr>
<th>Release Date:</th>
<td>2026-01-05T19:29:30Z</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=1233640">bsc#1233640</a>
</li>
<li style="display: inline;">
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1249806">bsc#1249806</a>
</li>
<li style="display: inline;">
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1251786">bsc#1251786</a>
</li>
<li style="display: inline;">
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1252267">bsc#1252267</a>
</li>
<li style="display: inline;">
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1252780">bsc#1252780</a>
</li>
<li style="display: inline;">
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1252862">bsc#1252862</a>
</li>
<li style="display: inline;">
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1253367">bsc#1253367</a>
</li>
<li style="display: inline;">
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1253431">bsc#1253431</a>
</li>
<li style="display: inline;">
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1253436">bsc#1253436</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-2022-50280.html">CVE-2022-50280</a>
</li>
<li style="display: inline;">
<a href="https://www.suse.com/security/cve/CVE-2023-53676.html">CVE-2023-53676</a>
</li>
<li style="display: inline;">
<a href="https://www.suse.com/security/cve/CVE-2024-53093.html">CVE-2024-53093</a>
</li>
<li style="display: inline;">
<a href="https://www.suse.com/security/cve/CVE-2025-40040.html">CVE-2025-40040</a>
</li>
<li style="display: inline;">
<a href="https://www.suse.com/security/cve/CVE-2025-40048.html">CVE-2025-40048</a>
</li>
<li style="display: inline;">
<a href="https://www.suse.com/security/cve/CVE-2025-40121.html">CVE-2025-40121</a>
</li>
<li style="display: inline;">
<a href="https://www.suse.com/security/cve/CVE-2025-40154.html">CVE-2025-40154</a>
</li>
<li style="display: inline;">
<a href="https://www.suse.com/security/cve/CVE-2025-40204.html">CVE-2025-40204</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-2022-50280</span>
<span class="cvss-source">
(
SUSE
):
</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>
<li class="list-group-item">
<span class="cvss-reference">CVE-2022-50280</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>
<li class="list-group-item">
<span class="cvss-reference">CVE-2023-53676</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-2023-53676</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-2024-53093</span>
<span class="cvss-source">
(
SUSE
):
</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>
<li class="list-group-item">
<span class="cvss-reference">CVE-2024-53093</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>
<li class="list-group-item">
<span class="cvss-reference">CVE-2024-53093</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>
<li class="list-group-item">
<span class="cvss-reference">CVE-2025-40040</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-2025-40040</span>
<span class="cvss-source">
(
SUSE
):
</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>
<li class="list-group-item">
<span class="cvss-reference">CVE-2025-40048</span>
<span class="cvss-source">
(
SUSE
):
</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>
<li class="list-group-item">
<span class="cvss-reference">CVE-2025-40121</span>
<span class="cvss-source">
(
SUSE
):
</span>
<span class="cvss-score">7.1</span>
<span class="cvss-vector">CVSS:4.0/AV:L/AC:L/AT:P/PR:H/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-2025-40121</span>
<span class="cvss-source">
(
SUSE
):
</span>
<span class="cvss-score">6.4</span>
<span class="cvss-vector">CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H</span>
</li>
<li class="list-group-item">
<span class="cvss-reference">CVE-2025-40154</span>
<span class="cvss-source">
(
SUSE
):
</span>
<span class="cvss-score">7.1</span>
<span class="cvss-vector">CVSS:4.0/AV:L/AC:L/AT:P/PR:H/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-2025-40154</span>
<span class="cvss-source">
(
SUSE
):
</span>
<span class="cvss-score">6.4</span>
<span class="cvss-vector">CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H</span>
</li>
<li class="list-group-item">
<span class="cvss-reference">CVE-2025-40204</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:H/VI:N/VA:N/SC:N/SI:N/SA:N</span>
</li>
<li class="list-group-item">
<span class="cvss-reference">CVE-2025-40204</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: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 15.5</li>
<li class="list-group-item">SUSE Linux Enterprise Micro 5.5</li>
</ul>
</td>
</tr>
</tbody>
</table>
<p>An update that solves eight vulnerabilities and has one security fix can now be installed.</p>
<h2>Description:</h2>
<p>The SUSE Linux Enterprise 15 SP5 RT kernel was updated to receive various security bugfixes.</p>
<p>The following security bugs were fixed:</p>
<ul>
<li>CVE-2022-50280: pnode: terminate at peers of source (bsc#1249806).</li>
<li>CVE-2023-53676: scsi: target: iscsi: Fix buffer overflow in lio_target_nacl_info_show() (bsc#1251786).</li>
<li>CVE-2024-53093: nvme-multipath: defer partition scanning (bsc#1233640).</li>
<li>CVE-2025-40040: mm/ksm: fix flag-dropping behavior in ksm_madvise (bsc#1252780).</li>
<li>CVE-2025-40048: uio_hv_generic: Let userspace take care of interrupt mask (bsc#1252862).</li>
<li>CVE-2025-40121: ASoC: Intel: bytcr_rt5651: Fix invalid quirk input mapping (bsc#1253367).</li>
<li>CVE-2025-40154: ASoC: Intel: bytcr_rt5640: Fix invalid quirk input mapping (bsc#1253431).</li>
<li>CVE-2025-40204: sctp: Fix MAC comparison to be constant-time (bsc#1253436).</li>
</ul>
<p>The following non-security bugs were fixed:</p>
<ul>
<li>Fix type signess in fbcon_set_font() (bsc#1252033). </li>
<li>scsi: storvsc: Prefer returning channel with the same CPU as on the I/O issuing CPU (bsc#1252267).</li>
</ul>
<h2>Special Instructions and Notes:</h2>
<ul>
<li>Please reboot the system after installing this update.</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 15.5
<br/>
<code>zypper in -t patch SUSE-2026-34=1</code>
</li>
<li class="list-group-item">
SUSE Linux Enterprise Micro 5.5
<br/>
<code>zypper in -t patch SUSE-SLE-Micro-5.5-2026-34=1</code>
</li>
</ul>
<h2>Package List:</h2>
<ul>
<li>
openSUSE Leap 15.5 (noarch)
<ul>
<li>kernel-devel-rt-5.14.21-150500.13.115.1</li>
<li>kernel-source-rt-5.14.21-150500.13.115.1</li>
</ul>
</li>
<li>
openSUSE Leap 15.5 (x86_64)
<ul>
<li>kernel-rt-devel-debuginfo-5.14.21-150500.13.115.2</li>
<li>kernel-rt_debug-debuginfo-5.14.21-150500.13.115.2</li>
<li>ocfs2-kmp-rt-debuginfo-5.14.21-150500.13.115.2</li>
<li>kernel-rt-vdso-debuginfo-5.14.21-150500.13.115.2</li>
<li>reiserfs-kmp-rt-5.14.21-150500.13.115.2</li>
<li>kernel-rt_debug-vdso-5.14.21-150500.13.115.2</li>
<li>kernel-syms-rt-5.14.21-150500.13.115.1</li>
<li>kselftests-kmp-rt-debuginfo-5.14.21-150500.13.115.2</li>
<li>kernel-rt-extra-5.14.21-150500.13.115.2</li>
<li>kernel-rt-optional-5.14.21-150500.13.115.2</li>
<li>kernel-rt-livepatch-devel-5.14.21-150500.13.115.2</li>
<li>ocfs2-kmp-rt-5.14.21-150500.13.115.2</li>
<li>kernel-rt-livepatch-5.14.21-150500.13.115.2</li>
<li>dlm-kmp-rt-5.14.21-150500.13.115.2</li>
<li>kernel-rt-debugsource-5.14.21-150500.13.115.2</li>
<li>kernel-rt-vdso-5.14.21-150500.13.115.2</li>
<li>cluster-md-kmp-rt-5.14.21-150500.13.115.2</li>
<li>kernel-rt_debug-debugsource-5.14.21-150500.13.115.2</li>
<li>kernel-rt-devel-5.14.21-150500.13.115.2</li>
<li>reiserfs-kmp-rt-debuginfo-5.14.21-150500.13.115.2</li>
<li>dlm-kmp-rt-debuginfo-5.14.21-150500.13.115.2</li>
<li>kernel-rt_debug-vdso-debuginfo-5.14.21-150500.13.115.2</li>
<li>kernel-rt_debug-devel-debuginfo-5.14.21-150500.13.115.2</li>
<li>cluster-md-kmp-rt-debuginfo-5.14.21-150500.13.115.2</li>
<li>kernel-rt-extra-debuginfo-5.14.21-150500.13.115.2</li>
<li>gfs2-kmp-rt-5.14.21-150500.13.115.2</li>
<li>kernel-rt_debug-devel-5.14.21-150500.13.115.2</li>
<li>gfs2-kmp-rt-debuginfo-5.14.21-150500.13.115.2</li>
<li>kselftests-kmp-rt-5.14.21-150500.13.115.2</li>
<li>kernel-rt-debuginfo-5.14.21-150500.13.115.2</li>
<li>kernel-rt-optional-debuginfo-5.14.21-150500.13.115.2</li>
</ul>
</li>
<li>
openSUSE Leap 15.5 (nosrc x86_64)
<ul>
<li>kernel-rt-5.14.21-150500.13.115.2</li>
<li>kernel-rt_debug-5.14.21-150500.13.115.2</li>
</ul>
</li>
<li>
SUSE Linux Enterprise Micro 5.5 (noarch)
<ul>
<li>kernel-devel-rt-5.14.21-150500.13.115.1</li>
<li>kernel-source-rt-5.14.21-150500.13.115.1</li>
</ul>
</li>
<li>
SUSE Linux Enterprise Micro 5.5 (nosrc x86_64)
<ul>
<li>kernel-rt-5.14.21-150500.13.115.2</li>
</ul>
</li>
<li>
SUSE Linux Enterprise Micro 5.5 (x86_64)
<ul>
<li>kernel-rt-debugsource-5.14.21-150500.13.115.2</li>
<li>kernel-rt-debuginfo-5.14.21-150500.13.115.2</li>
</ul>
</li>
</ul>
<h2>References:</h2>
<ul>
<li>
<a href="https://www.suse.com/security/cve/CVE-2022-50280.html">https://www.suse.com/security/cve/CVE-2022-50280.html</a>
</li>
<li>
<a href="https://www.suse.com/security/cve/CVE-2023-53676.html">https://www.suse.com/security/cve/CVE-2023-53676.html</a>
</li>
<li>
<a href="https://www.suse.com/security/cve/CVE-2024-53093.html">https://www.suse.com/security/cve/CVE-2024-53093.html</a>
</li>
<li>
<a href="https://www.suse.com/security/cve/CVE-2025-40040.html">https://www.suse.com/security/cve/CVE-2025-40040.html</a>
</li>
<li>
<a href="https://www.suse.com/security/cve/CVE-2025-40048.html">https://www.suse.com/security/cve/CVE-2025-40048.html</a>
</li>
<li>
<a href="https://www.suse.com/security/cve/CVE-2025-40121.html">https://www.suse.com/security/cve/CVE-2025-40121.html</a>
</li>
<li>
<a href="https://www.suse.com/security/cve/CVE-2025-40154.html">https://www.suse.com/security/cve/CVE-2025-40154.html</a>
</li>
<li>
<a href="https://www.suse.com/security/cve/CVE-2025-40204.html">https://www.suse.com/security/cve/CVE-2025-40204.html</a>
</li>
<li>
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1233640">https://bugzilla.suse.com/show_bug.cgi?id=1233640</a>
</li>
<li>
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1249806">https://bugzilla.suse.com/show_bug.cgi?id=1249806</a>
</li>
<li>
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1251786">https://bugzilla.suse.com/show_bug.cgi?id=1251786</a>
</li>
<li>
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1252267">https://bugzilla.suse.com/show_bug.cgi?id=1252267</a>
</li>
<li>
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1252780">https://bugzilla.suse.com/show_bug.cgi?id=1252780</a>
</li>
<li>
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1252862">https://bugzilla.suse.com/show_bug.cgi?id=1252862</a>
</li>
<li>
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1253367">https://bugzilla.suse.com/show_bug.cgi?id=1253367</a>
</li>
<li>
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1253431">https://bugzilla.suse.com/show_bug.cgi?id=1253431</a>
</li>
<li>
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1253436">https://bugzilla.suse.com/show_bug.cgi?id=1253436</a>
</li>
</ul>
</div>