<div class="container">
<h1>Security update for systemd</h1>
<table class="table table-striped table-bordered">
<tbody>
<tr>
<th>Announcement ID:</th>
<td>SUSE-SU-2026:0990-1</td>
</tr>
<tr>
<th>Release Date:</th>
<td>2026-03-24T07:22:54Z</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=1259418">bsc#1259418</a>
</li>
<li style="display: inline;">
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1259650">bsc#1259650</a>
</li>
<li style="display: inline;">
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1259697">bsc#1259697</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-2026-29111.html">CVE-2026-29111</a>
</li>
<li style="display: inline;">
<a href="https://www.suse.com/security/cve/CVE-2026-4105.html">CVE-2026-4105</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-2026-29111</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-2026-29111</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-2026-29111</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-2026-4105</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-2026-4105</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-2026-4105</span>
<span class="cvss-source">
(
NVD
):
</span>
<span class="cvss-score">6.7</span>
<span class="cvss-vector">CVSS:3.1/AV:L/AC:H/PR:L/UI:R/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">SUSE Linux Enterprise Micro 5.2</li>
<li class="list-group-item">SUSE Linux Enterprise Micro for Rancher 5.2</li>
</ul>
</td>
</tr>
</tbody>
</table>
<p>An update that solves two vulnerabilities and has one security fix can now be installed.</p>
<h2>Description:</h2>
<p>This update for systemd fixes the following issues:</p>
<ul>
<li>CVE-2026-4105: privilege escalation due to improper access control in RegisterMachine D-Bus method (bsc#1259650).</li>
<li>CVE-2026-29111: local unprivileged user can trigger an assert in systemd (bsc#1259418).</li>
<li>udev: check for invalid chars in various fields received from the kernel (bsc#1259697). </li>
</ul>
<p>Changelog:</p>
<ul>
<li>566517ffcb machined: reject invalid class types when registering machines</li>
<li>abbdd89d78 udev: fix review mixup</li>
<li>c9cedd26be udev-builtin-net-id: print cescaped bad attributes</li>
<li>c0f4ec3db9 udev: ensure tag parsing stays within bounds</li>
<li>38afcb73cc udev: ensure there is space for trailing NUL before calling sprintf</li>
<li>a64247de62 udev: check for invalid chars in various fields received from the kernel</li>
<li>ecce32966e core/cgroup: avoid one unnecessary strjoina()</li>
<li>6abd2b5bd2 core: validate input cgroup path more prudently</li>
<li>2d7d93d6c1 alloc-util: add strdupa_safe() + strndupa_safe() and use it everywhere</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 15.3
<br/>
<code>zypper in -t patch SUSE-2026-990=1</code>
</li>
<li class="list-group-item">
SUSE Linux Enterprise Micro 5.2
<br/>
<code>zypper in -t patch SUSE-SUSE-MicroOS-5.2-2026-990=1</code>
</li>
<li class="list-group-item">
SUSE Linux Enterprise Micro for Rancher 5.2
<br/>
<code>zypper in -t patch SUSE-SUSE-MicroOS-5.2-2026-990=1</code>
</li>
</ul>
<h2>Package List:</h2>
<ul>
<li>
openSUSE Leap 15.3 (aarch64 ppc64le s390x x86_64 i586)
<ul>
<li>udev-mini-246.16-150300.7.65.1</li>
<li>systemd-mini-sysvinit-246.16-150300.7.65.1</li>
<li>libudev-mini1-246.16-150300.7.65.1</li>
<li>libsystemd0-mini-246.16-150300.7.65.1</li>
<li>systemd-doc-246.16-150300.7.65.1</li>
<li>systemd-debuginfo-246.16-150300.7.65.1</li>
<li>libsystemd0-mini-debuginfo-246.16-150300.7.65.1</li>
<li>libudev1-debuginfo-246.16-150300.7.65.1</li>
<li>nss-myhostname-debuginfo-246.16-150300.7.65.1</li>
<li>libsystemd0-debuginfo-246.16-150300.7.65.1</li>
<li>systemd-journal-remote-246.16-150300.7.65.1</li>
<li>systemd-journal-remote-debuginfo-246.16-150300.7.65.1</li>
<li>systemd-mini-debugsource-246.16-150300.7.65.1</li>
<li>nss-myhostname-246.16-150300.7.65.1</li>
<li>nss-resolve-debuginfo-246.16-150300.7.65.1</li>
<li>systemd-network-debuginfo-246.16-150300.7.65.1</li>
<li>systemd-sysvinit-246.16-150300.7.65.1</li>
<li>libudev-mini1-debuginfo-246.16-150300.7.65.1</li>
<li>systemd-debugsource-246.16-150300.7.65.1</li>
<li>udev-246.16-150300.7.65.1</li>
<li>libudev-devel-246.16-150300.7.65.1</li>
<li>libsystemd0-246.16-150300.7.65.1</li>
<li>systemd-container-debuginfo-246.16-150300.7.65.1</li>
<li>systemd-coredump-246.16-150300.7.65.1</li>
<li>udev-debuginfo-246.16-150300.7.65.1</li>
<li>systemd-mini-debuginfo-246.16-150300.7.65.1</li>
<li>systemd-portable-246.16-150300.7.65.1</li>
<li>nss-resolve-246.16-150300.7.65.1</li>
<li>systemd-mini-devel-246.16-150300.7.65.1</li>
<li>systemd-portable-debuginfo-246.16-150300.7.65.1</li>
<li>systemd-246.16-150300.7.65.1</li>
<li>libudev1-246.16-150300.7.65.1</li>
<li>nss-mymachines-debuginfo-246.16-150300.7.65.1</li>
<li>nss-mymachines-246.16-150300.7.65.1</li>
<li>systemd-mini-container-246.16-150300.7.65.1</li>
<li>systemd-mini-246.16-150300.7.65.1</li>
<li>nss-systemd-246.16-150300.7.65.1</li>
<li>udev-mini-debuginfo-246.16-150300.7.65.1</li>
<li>systemd-coredump-debuginfo-246.16-150300.7.65.1</li>
<li>systemd-devel-246.16-150300.7.65.1</li>
<li>systemd-mini-container-debuginfo-246.16-150300.7.65.1</li>
<li>systemd-logger-246.16-150300.7.65.1</li>
<li>systemd-network-246.16-150300.7.65.1</li>
<li>libudev-mini-devel-246.16-150300.7.65.1</li>
<li>systemd-container-246.16-150300.7.65.1</li>
<li>nss-systemd-debuginfo-246.16-150300.7.65.1</li>
</ul>
</li>
<li>
openSUSE Leap 15.3 (x86_64)
<ul>
<li>libudev1-32bit-debuginfo-246.16-150300.7.65.1</li>
<li>nss-mymachines-32bit-246.16-150300.7.65.1</li>
<li>systemd-32bit-246.16-150300.7.65.1</li>
<li>nss-mymachines-32bit-debuginfo-246.16-150300.7.65.1</li>
<li>libsystemd0-32bit-debuginfo-246.16-150300.7.65.1</li>
<li>systemd-32bit-debuginfo-246.16-150300.7.65.1</li>
<li>nss-myhostname-32bit-246.16-150300.7.65.1</li>
<li>libudev-devel-32bit-246.16-150300.7.65.1</li>
<li>libudev1-32bit-246.16-150300.7.65.1</li>
<li>nss-myhostname-32bit-debuginfo-246.16-150300.7.65.1</li>
<li>libsystemd0-32bit-246.16-150300.7.65.1</li>
</ul>
</li>
<li>
openSUSE Leap 15.3 (noarch)
<ul>
<li>systemd-lang-246.16-150300.7.65.1</li>
</ul>
</li>
<li>
openSUSE Leap 15.3 (aarch64_ilp32)
<ul>
<li>nss-myhostname-64bit-debuginfo-246.16-150300.7.65.1</li>
<li>nss-mymachines-64bit-debuginfo-246.16-150300.7.65.1</li>
<li>nss-mymachines-64bit-246.16-150300.7.65.1</li>
<li>libudev1-64bit-debuginfo-246.16-150300.7.65.1</li>
<li>libsystemd0-64bit-debuginfo-246.16-150300.7.65.1</li>
<li>systemd-64bit-246.16-150300.7.65.1</li>
<li>nss-myhostname-64bit-246.16-150300.7.65.1</li>
<li>libsystemd0-64bit-246.16-150300.7.65.1</li>
<li>libudev-devel-64bit-246.16-150300.7.65.1</li>
<li>libudev1-64bit-246.16-150300.7.65.1</li>
<li>systemd-64bit-debuginfo-246.16-150300.7.65.1</li>
</ul>
</li>
<li>
SUSE Linux Enterprise Micro 5.2 (aarch64 s390x x86_64)
<ul>
<li>udev-debuginfo-246.16-150300.7.65.1</li>
<li>systemd-sysvinit-246.16-150300.7.65.1</li>
<li>systemd-debuginfo-246.16-150300.7.65.1</li>
<li>systemd-246.16-150300.7.65.1</li>
<li>libudev1-246.16-150300.7.65.1</li>
<li>libudev1-debuginfo-246.16-150300.7.65.1</li>
<li>libsystemd0-debuginfo-246.16-150300.7.65.1</li>
<li>systemd-debugsource-246.16-150300.7.65.1</li>
<li>systemd-journal-remote-246.16-150300.7.65.1</li>
<li>systemd-journal-remote-debuginfo-246.16-150300.7.65.1</li>
<li>udev-246.16-150300.7.65.1</li>
<li>systemd-container-246.16-150300.7.65.1</li>
<li>libsystemd0-246.16-150300.7.65.1</li>
<li>systemd-container-debuginfo-246.16-150300.7.65.1</li>
</ul>
</li>
<li>
SUSE Linux Enterprise Micro for Rancher 5.2 (aarch64 s390x x86_64)
<ul>
<li>udev-debuginfo-246.16-150300.7.65.1</li>
<li>systemd-sysvinit-246.16-150300.7.65.1</li>
<li>systemd-debuginfo-246.16-150300.7.65.1</li>
<li>systemd-246.16-150300.7.65.1</li>
<li>libudev1-246.16-150300.7.65.1</li>
<li>libudev1-debuginfo-246.16-150300.7.65.1</li>
<li>libsystemd0-debuginfo-246.16-150300.7.65.1</li>
<li>systemd-debugsource-246.16-150300.7.65.1</li>
<li>systemd-journal-remote-246.16-150300.7.65.1</li>
<li>systemd-journal-remote-debuginfo-246.16-150300.7.65.1</li>
<li>udev-246.16-150300.7.65.1</li>
<li>systemd-container-246.16-150300.7.65.1</li>
<li>libsystemd0-246.16-150300.7.65.1</li>
<li>systemd-container-debuginfo-246.16-150300.7.65.1</li>
</ul>
</li>
</ul>
<h2>References:</h2>
<ul>
<li>
<a href="https://www.suse.com/security/cve/CVE-2026-29111.html">https://www.suse.com/security/cve/CVE-2026-29111.html</a>
</li>
<li>
<a href="https://www.suse.com/security/cve/CVE-2026-4105.html">https://www.suse.com/security/cve/CVE-2026-4105.html</a>
</li>
<li>
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1259418">https://bugzilla.suse.com/show_bug.cgi?id=1259418</a>
</li>
<li>
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1259650">https://bugzilla.suse.com/show_bug.cgi?id=1259650</a>
</li>
<li>
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1259697">https://bugzilla.suse.com/show_bug.cgi?id=1259697</a>
</li>
</ul>
</div>