<div class="container">
<h1>Security update for util-linux</h1>
<table class="table table-striped table-bordered">
<tbody>
<tr>
<th>Announcement ID:</th>
<td>SUSE-SU-2026:3685-1</td>
</tr>
<tr>
<th>Release Date:</th>
<td>2026-08-21T18:24:06Z</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=1261606">bsc#1261606</a>
</li>
<li style="display: inline;">
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1268886">bsc#1268886</a>
</li>
<li style="display: inline;">
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1269583">bsc#1269583</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-2026-13595.html">CVE-2026-13595</a>
</li>
<li style="display: inline;">
<a href="https://www.suse.com/security/cve/CVE-2026-27456.html">CVE-2026-27456</a>
</li>
<li style="display: inline;">
<a href="https://www.suse.com/security/cve/CVE-2026-53612.html">CVE-2026-53612</a>
</li>
<li style="display: inline;">
<a href="https://www.suse.com/security/cve/CVE-2026-53613.html">CVE-2026-53613</a>
</li>
<li style="display: inline;">
<a href="https://www.suse.com/security/cve/CVE-2026-53614.html">CVE-2026-53614</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-2026-13595</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:L/VI:N/VA:H/SC:N/SI:N/SA:N</span>
</li>
<li class="list-group-item">
<span class="cvss-reference">CVE-2026-13595</span>
<span class="cvss-source">
(
SUSE
):
</span>
<span class="cvss-score">6.1</span>
<span class="cvss-vector">CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:H</span>
</li>
<li class="list-group-item">
<span class="cvss-reference">CVE-2026-13595</span>
<span class="cvss-source">
(
NVD
):
</span>
<span class="cvss-score">6.8</span>
<span class="cvss-vector">CVSS:3.1/AV:L/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-2026-13595</span>
<span class="cvss-source">
(
NVD
):
</span>
<span class="cvss-score">5.3</span>
<span class="cvss-vector">CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:L/I:N/A:H</span>
</li>
<li class="list-group-item">
<span class="cvss-reference">CVE-2026-27456</span>
<span class="cvss-source">
(
SUSE
):
</span>
<span class="cvss-score">4.7</span>
<span class="cvss-vector">CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N</span>
</li>
<li class="list-group-item">
<span class="cvss-reference">CVE-2026-27456</span>
<span class="cvss-source">
(
NVD
):
</span>
<span class="cvss-score">4.7</span>
<span class="cvss-vector">CVSS:3.1/AV:L/AC:H/PR:L/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 15.6</li>
<li class="list-group-item">SUSE Linux Enterprise Server 15 SP6</li>
<li class="list-group-item">SUSE Linux Enterprise Server 15 SP6 LTSS</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 util-linux fixes the following issues:</p>
<ul>
<li>CVE-2026-13595: heap use-after-free read in <code>libblkid</code> nested partition probing (bsc#1269583).</li>
<li>CVE-2026-27456: TOCTOU race condition in the mount program when setting up loop devices (bsc#1261606).</li>
<li>Several security issues in releases prior to v2.42.2 and v2.41.5 (bsc#1268886).</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 Server for SAP Applications 15 SP6
<br/>
<code>zypper in -t patch SUSE-SLE-Product-SLES_SAP-15-SP6-2026-3685=1</code>
</li>
<li class="list-group-item">
SUSE Linux Enterprise Server 15 SP6 LTSS
<br/>
<code>zypper in -t patch SUSE-SLE-Product-SLES-15-SP6-LTSS-2026-3685=1</code>
</li>
<li class="list-group-item">
openSUSE Leap 15.6
<br/>
<code>zypper in -t patch SUSE-2026-3685=1</code>
</li>
</ul>
<h2>Package List:</h2>
<ul>
<li>
openSUSE Leap 15.6 (x86_64)
<ul>
<li>libmount1-32bit-2.39.3-150600.4.26.1</li>
<li>libuuid1-32bit-2.39.3-150600.4.26.1</li>
<li>libfdisk1-32bit-2.39.3-150600.4.26.1</li>
<li>libuuid1-32bit-debuginfo-2.39.3-150600.4.26.1</li>
<li>libsmartcols1-32bit-debuginfo-2.39.3-150600.4.26.1</li>
<li>libblkid1-32bit-debuginfo-2.39.3-150600.4.26.1</li>
<li>libsmartcols1-32bit-2.39.3-150600.4.26.1</li>
<li>libuuid-devel-32bit-2.39.3-150600.4.26.1</li>
<li>libmount1-32bit-debuginfo-2.39.3-150600.4.26.1</li>
<li>libmount-devel-32bit-2.39.3-150600.4.26.1</li>
<li>libfdisk-devel-32bit-2.39.3-150600.4.26.1</li>
<li>libblkid1-32bit-2.39.3-150600.4.26.1</li>
<li>libfdisk1-32bit-debuginfo-2.39.3-150600.4.26.1</li>
<li>libsmartcols-devel-32bit-2.39.3-150600.4.26.1</li>
<li>libblkid-devel-32bit-2.39.3-150600.4.26.1</li>
</ul>
</li>
<li>
openSUSE Leap 15.6 (aarch64_ilp32)
<ul>
<li>libuuid-devel-64bit-2.39.3-150600.4.26.1</li>
<li>libmount-devel-64bit-2.39.3-150600.4.26.1</li>
<li>libfdisk1-64bit-debuginfo-2.39.3-150600.4.26.1</li>
<li>libblkid1-64bit-debuginfo-2.39.3-150600.4.26.1</li>
<li>libsmartcols-devel-64bit-2.39.3-150600.4.26.1</li>
<li>libuuid1-64bit-debuginfo-2.39.3-150600.4.26.1</li>
<li>libuuid1-64bit-2.39.3-150600.4.26.1</li>
<li>libfdisk1-64bit-2.39.3-150600.4.26.1</li>
<li>libblkid-devel-64bit-2.39.3-150600.4.26.1</li>
<li>libblkid1-64bit-2.39.3-150600.4.26.1</li>
<li>libsmartcols1-64bit-2.39.3-150600.4.26.1</li>
<li>libsmartcols1-64bit-debuginfo-2.39.3-150600.4.26.1</li>
<li>libfdisk-devel-64bit-2.39.3-150600.4.26.1</li>
<li>libmount1-64bit-debuginfo-2.39.3-150600.4.26.1</li>
<li>libmount1-64bit-2.39.3-150600.4.26.1</li>
</ul>
</li>
<li>
openSUSE Leap 15.6 (aarch64 i586 ppc64le s390x x86_64)
<ul>
<li>libblkid-devel-2.39.3-150600.4.26.1</li>
<li>util-linux-debuginfo-2.39.3-150600.4.26.1</li>
<li>libsmartcols1-2.39.3-150600.4.26.1</li>
<li>util-linux-2.39.3-150600.4.26.1</li>
<li>util-linux-tty-tools-2.39.3-150600.4.26.1</li>
<li>libuuid-devel-static-2.39.3-150600.4.26.1</li>
<li>python3-libmount-2.39.3-150600.4.26.1</li>
<li>libuuid-devel-2.39.3-150600.4.26.1</li>
<li>libuuid1-debuginfo-2.39.3-150600.4.26.1</li>
<li>libblkid1-2.39.3-150600.4.26.1</li>
<li>uuidd-debuginfo-2.39.3-150600.4.26.1</li>
<li>libfdisk-devel-static-2.39.3-150600.4.26.1</li>
<li>util-linux-debugsource-2.39.3-150600.4.26.1</li>
<li>libmount1-debuginfo-2.39.3-150600.4.26.1</li>
<li>libmount1-2.39.3-150600.4.26.1</li>
<li>libfdisk-devel-2.39.3-150600.4.26.1</li>
<li>util-linux-tty-tools-debuginfo-2.39.3-150600.4.26.1</li>
<li>libfdisk1-2.39.3-150600.4.26.1</li>
<li>libsmartcols1-debuginfo-2.39.3-150600.4.26.1</li>
<li>libblkid-devel-static-2.39.3-150600.4.26.1</li>
<li>libfdisk1-debuginfo-2.39.3-150600.4.26.1</li>
<li>libsmartcols-devel-2.39.3-150600.4.26.1</li>
<li>libuuid1-2.39.3-150600.4.26.1</li>
<li>libblkid1-debuginfo-2.39.3-150600.4.26.1</li>
<li>libmount-devel-static-2.39.3-150600.4.26.1</li>
<li>uuidd-2.39.3-150600.4.26.1</li>
<li>python-libmount-debugsource-2.39.3-150600.4.26.1</li>
<li>util-linux-systemd-debugsource-2.39.3-150600.4.26.1</li>
<li>util-linux-systemd-2.39.3-150600.4.26.1</li>
<li>python3-libmount-debuginfo-2.39.3-150600.4.26.1</li>
<li>util-linux-systemd-debuginfo-2.39.3-150600.4.26.1</li>
<li>libsmartcols-devel-static-2.39.3-150600.4.26.1</li>
<li>libmount-devel-2.39.3-150600.4.26.1</li>
</ul>
</li>
<li>
openSUSE Leap 15.6 (s390x)
<ul>
<li>util-linux-extra-2.39.3-150600.4.26.1</li>
<li>util-linux-extra-debuginfo-2.39.3-150600.4.26.1</li>
</ul>
</li>
<li>
openSUSE Leap 15.6 (noarch)
<ul>
<li>util-linux-lang-2.39.3-150600.4.26.1</li>
</ul>
</li>
<li>
SUSE Linux Enterprise Server 15 SP6 LTSS (aarch64 ppc64le s390x x86_64)
<ul>
<li>libblkid-devel-2.39.3-150600.4.26.1</li>
<li>util-linux-debuginfo-2.39.3-150600.4.26.1</li>
<li>libsmartcols1-2.39.3-150600.4.26.1</li>
<li>util-linux-2.39.3-150600.4.26.1</li>
<li>util-linux-tty-tools-2.39.3-150600.4.26.1</li>
<li>libuuid-devel-static-2.39.3-150600.4.26.1</li>
<li>libuuid-devel-2.39.3-150600.4.26.1</li>
<li>libuuid1-debuginfo-2.39.3-150600.4.26.1</li>
<li>libblkid1-2.39.3-150600.4.26.1</li>
<li>uuidd-debuginfo-2.39.3-150600.4.26.1</li>
<li>util-linux-debugsource-2.39.3-150600.4.26.1</li>
<li>libmount1-debuginfo-2.39.3-150600.4.26.1</li>
<li>libmount1-2.39.3-150600.4.26.1</li>
<li>libfdisk-devel-2.39.3-150600.4.26.1</li>
<li>util-linux-tty-tools-debuginfo-2.39.3-150600.4.26.1</li>
<li>libfdisk1-2.39.3-150600.4.26.1</li>
<li>libsmartcols1-debuginfo-2.39.3-150600.4.26.1</li>
<li>libblkid-devel-static-2.39.3-150600.4.26.1</li>
<li>libfdisk1-debuginfo-2.39.3-150600.4.26.1</li>
<li>libsmartcols-devel-2.39.3-150600.4.26.1</li>
<li>libuuid1-2.39.3-150600.4.26.1</li>
<li>libblkid1-debuginfo-2.39.3-150600.4.26.1</li>
<li>uuidd-2.39.3-150600.4.26.1</li>
<li>util-linux-systemd-debugsource-2.39.3-150600.4.26.1</li>
<li>util-linux-systemd-2.39.3-150600.4.26.1</li>
<li>util-linux-systemd-debuginfo-2.39.3-150600.4.26.1</li>
<li>libmount-devel-2.39.3-150600.4.26.1</li>
</ul>
</li>
<li>
SUSE Linux Enterprise Server 15 SP6 LTSS (noarch)
<ul>
<li>util-linux-lang-2.39.3-150600.4.26.1</li>
</ul>
</li>
<li>
SUSE Linux Enterprise Server 15 SP6 LTSS (x86_64)
<ul>
<li>libmount1-32bit-2.39.3-150600.4.26.1</li>
<li>libuuid1-32bit-2.39.3-150600.4.26.1</li>
<li>libuuid1-32bit-debuginfo-2.39.3-150600.4.26.1</li>
<li>libblkid1-32bit-debuginfo-2.39.3-150600.4.26.1</li>
<li>libmount1-32bit-debuginfo-2.39.3-150600.4.26.1</li>
<li>libblkid1-32bit-2.39.3-150600.4.26.1</li>
</ul>
</li>
<li>
SUSE Linux Enterprise Server 15 SP6 LTSS (s390x)
<ul>
<li>util-linux-extra-2.39.3-150600.4.26.1</li>
<li>util-linux-extra-debuginfo-2.39.3-150600.4.26.1</li>
</ul>
</li>
<li>
SUSE Linux Enterprise Server for SAP Applications 15 SP6 (ppc64le x86_64)
<ul>
<li>libblkid-devel-2.39.3-150600.4.26.1</li>
<li>util-linux-debuginfo-2.39.3-150600.4.26.1</li>
<li>libsmartcols1-2.39.3-150600.4.26.1</li>
<li>util-linux-2.39.3-150600.4.26.1</li>
<li>util-linux-tty-tools-2.39.3-150600.4.26.1</li>
<li>libuuid-devel-static-2.39.3-150600.4.26.1</li>
<li>libuuid-devel-2.39.3-150600.4.26.1</li>
<li>libuuid1-debuginfo-2.39.3-150600.4.26.1</li>
<li>libblkid1-2.39.3-150600.4.26.1</li>
<li>uuidd-debuginfo-2.39.3-150600.4.26.1</li>
<li>util-linux-debugsource-2.39.3-150600.4.26.1</li>
<li>libmount1-debuginfo-2.39.3-150600.4.26.1</li>
<li>libmount1-2.39.3-150600.4.26.1</li>
<li>libfdisk-devel-2.39.3-150600.4.26.1</li>
<li>util-linux-tty-tools-debuginfo-2.39.3-150600.4.26.1</li>
<li>libfdisk1-2.39.3-150600.4.26.1</li>
<li>libsmartcols1-debuginfo-2.39.3-150600.4.26.1</li>
<li>libblkid-devel-static-2.39.3-150600.4.26.1</li>
<li>libfdisk1-debuginfo-2.39.3-150600.4.26.1</li>
<li>libsmartcols-devel-2.39.3-150600.4.26.1</li>
<li>libuuid1-2.39.3-150600.4.26.1</li>
<li>libblkid1-debuginfo-2.39.3-150600.4.26.1</li>
<li>uuidd-2.39.3-150600.4.26.1</li>
<li>util-linux-systemd-debugsource-2.39.3-150600.4.26.1</li>
<li>util-linux-systemd-2.39.3-150600.4.26.1</li>
<li>util-linux-systemd-debuginfo-2.39.3-150600.4.26.1</li>
<li>libmount-devel-2.39.3-150600.4.26.1</li>
</ul>
</li>
<li>
SUSE Linux Enterprise Server for SAP Applications 15 SP6 (x86_64)
<ul>
<li>libmount1-32bit-2.39.3-150600.4.26.1</li>
<li>libuuid1-32bit-2.39.3-150600.4.26.1</li>
<li>libuuid1-32bit-debuginfo-2.39.3-150600.4.26.1</li>
<li>libblkid1-32bit-debuginfo-2.39.3-150600.4.26.1</li>
<li>libmount1-32bit-debuginfo-2.39.3-150600.4.26.1</li>
<li>libblkid1-32bit-2.39.3-150600.4.26.1</li>
</ul>
</li>
<li>
SUSE Linux Enterprise Server for SAP Applications 15 SP6 (noarch)
<ul>
<li>util-linux-lang-2.39.3-150600.4.26.1</li>
</ul>
</li>
</ul>
<h2>References:</h2>
<ul>
<li>
<a href="https://www.suse.com/security/cve/CVE-2026-13595.html">https://www.suse.com/security/cve/CVE-2026-13595.html</a>
</li>
<li>
<a href="https://www.suse.com/security/cve/CVE-2026-27456.html">https://www.suse.com/security/cve/CVE-2026-27456.html</a>
</li>
<li>
<a href="https://www.suse.com/security/cve/CVE-2026-53612.html">https://www.suse.com/security/cve/CVE-2026-53612.html</a>
</li>
<li>
<a href="https://www.suse.com/security/cve/CVE-2026-53613.html">https://www.suse.com/security/cve/CVE-2026-53613.html</a>
</li>
<li>
<a href="https://www.suse.com/security/cve/CVE-2026-53614.html">https://www.suse.com/security/cve/CVE-2026-53614.html</a>
</li>
<li>
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1261606">https://bugzilla.suse.com/show_bug.cgi?id=1261606</a>
</li>
<li>
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1268886">https://bugzilla.suse.com/show_bug.cgi?id=1268886</a>
</li>
<li>
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1269583">https://bugzilla.suse.com/show_bug.cgi?id=1269583</a>
</li>
</ul>
</div>