<div class="container">
<h1>Security update for the Linux Kernel RT (Live Patch 3 for SLE 15 SP5)</h1>
<table class="table table-striped table-bordered">
<tbody>
<tr>
<th>Announcement ID:</th>
<td>SUSE-SU-2024:0622-1</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=1215300">bsc#1215300</a>
</li>
<li style="display: inline;">
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1217116">bsc#1217116</a>
</li>
<li style="display: inline;">
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1218733">bsc#1218733</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-2023-39198.html">CVE-2023-39198</a>
</li>
<li style="display: inline;">
<a href="https://www.suse.com/security/cve/CVE-2023-4921.html">CVE-2023-4921</a>
</li>
<li style="display: inline;">
<a href="https://www.suse.com/security/cve/CVE-2023-51780.html">CVE-2023-51780</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-2023-39198</span>
<span class="cvss-source">
(
SUSE
):
</span>
<span class="cvss-score">7.5</span>
<span class="cvss-vector">CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:C/C:H/I:H/A:H</span>
</li>
<li class="list-group-item">
<span class="cvss-reference">CVE-2023-39198</span>
<span class="cvss-source">
(
NVD
):
</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-2023-4921</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-2023-4921</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-2023-51780</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-2023-51780</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>
</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 High Performance Computing 15 SP5</li>
<li class="list-group-item">SUSE Linux Enterprise Live Patching 15-SP5</li>
<li class="list-group-item">SUSE Linux Enterprise Micro 5.5</li>
<li class="list-group-item">SUSE Linux Enterprise Real Time 15 SP5</li>
<li class="list-group-item">SUSE Linux Enterprise Server 15 SP5</li>
<li class="list-group-item">SUSE Linux Enterprise Server for SAP Applications 15 SP5</li>
</ul>
</td>
</tr>
</tbody>
</table>
<p>An update that solves three vulnerabilities can now be installed.</p>
<h2>Description:</h2>
<p>This update for the Linux Kernel 5.14.21-150500_13_11 fixes several issues.</p>
<p>The following security issues were fixed:</p>
<ul>
<li>CVE-2023-4921: Fixed a use-after-free vulnerability in the QFQ network scheduler which could be exploited to achieve local privilege escalation (bsc#1215300).</li>
<li>CVE-2023-39198: Fixed a race condition leading to a use-after-free in qxl_mode_dumb_create() (bsc#1217116).</li>
<li>CVE-2023-51780: Fixed a use-after-free in do_vcc_ioctl in net/atm/ioctl.c, because of a vcc_recvmsg race condition (bsc#1218733).</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-2024-623=1 SUSE-2024-622=1</code>
</li>
<li class="list-group-item">
SUSE Linux Enterprise Live Patching 15-SP5
<br/>
<code>zypper in -t patch SUSE-SLE-Module-Live-Patching-15-SP5-2024-623=1 SUSE-SLE-Module-Live-Patching-15-SP5-2024-622=1</code>
</li>
</ul>
<h2>Package List:</h2>
<ul>
<li>
openSUSE Leap 15.5 (x86_64)
<ul>
<li>kernel-livepatch-5_14_21-150500_13_5-rt-7-150500.2.1</li>
<li>kernel-livepatch-SLE15-SP5-RT_Update_1-debugsource-7-150500.2.1</li>
<li>kernel-livepatch-5_14_21-150500_13_11-rt-debuginfo-6-150500.2.1</li>
<li>kernel-livepatch-5_14_21-150500_13_5-rt-debuginfo-7-150500.2.1</li>
<li>kernel-livepatch-SLE15-SP5-RT_Update_3-debugsource-6-150500.2.1</li>
<li>kernel-livepatch-5_14_21-150500_13_11-rt-6-150500.2.1</li>
</ul>
</li>
<li>
SUSE Linux Enterprise Live Patching 15-SP5 (x86_64)
<ul>
<li>kernel-livepatch-5_14_21-150500_13_5-rt-7-150500.2.1</li>
<li>kernel-livepatch-SLE15-SP5-RT_Update_1-debugsource-7-150500.2.1</li>
<li>kernel-livepatch-5_14_21-150500_13_11-rt-debuginfo-6-150500.2.1</li>
<li>kernel-livepatch-5_14_21-150500_13_5-rt-debuginfo-7-150500.2.1</li>
<li>kernel-livepatch-SLE15-SP5-RT_Update_3-debugsource-6-150500.2.1</li>
<li>kernel-livepatch-5_14_21-150500_13_11-rt-6-150500.2.1</li>
</ul>
</li>
</ul>
<h2>References:</h2>
<ul>
<li>
<a href="https://www.suse.com/security/cve/CVE-2023-39198.html">https://www.suse.com/security/cve/CVE-2023-39198.html</a>
</li>
<li>
<a href="https://www.suse.com/security/cve/CVE-2023-4921.html">https://www.suse.com/security/cve/CVE-2023-4921.html</a>
</li>
<li>
<a href="https://www.suse.com/security/cve/CVE-2023-51780.html">https://www.suse.com/security/cve/CVE-2023-51780.html</a>
</li>
<li>
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1215300">https://bugzilla.suse.com/show_bug.cgi?id=1215300</a>
</li>
<li>
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1217116">https://bugzilla.suse.com/show_bug.cgi?id=1217116</a>
</li>
<li>
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1218733">https://bugzilla.suse.com/show_bug.cgi?id=1218733</a>
</li>
</ul>
</div>