<div class="container">
<h1>Security update for the Linux Kernel RT (Live Patch 1 for SLE 15 SP4)</h1>
<table class="table table-striped table-bordered">
<tbody>
<tr>
<th>Announcement ID:</th>
<td>SUSE-SU-2023:2371-1</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=1207188">#1207188</a>
</li>
<li style="display: inline;">
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1208911">#1208911</a>
</li>
<li style="display: inline;">
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1209683">#1209683</a>
</li>
<li style="display: inline;">
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1210499">#1210499</a>
</li>
<li style="display: inline;">
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1210500">#1210500</a>
</li>
<li style="display: inline;">
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1210662">#1210662</a>
</li>
<li style="display: inline;">
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1211111">#1211111</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-2023-0386.html">CVE-2023-0386</a>
</li>
<li style="display: inline;">
<a href="https://www.suse.com/security/cve/CVE-2023-0461.html">CVE-2023-0461</a>
</li>
<li style="display: inline;">
<a href="https://www.suse.com/security/cve/CVE-2023-1281.html">CVE-2023-1281</a>
</li>
<li style="display: inline;">
<a href="https://www.suse.com/security/cve/CVE-2023-1989.html">CVE-2023-1989</a>
</li>
<li style="display: inline;">
<a href="https://www.suse.com/security/cve/CVE-2023-2162.html">CVE-2023-2162</a>
</li>
<li style="display: inline;">
<a href="https://www.suse.com/security/cve/CVE-2023-23454.html">CVE-2023-23454</a>
</li>
<li style="display: inline;">
<a href="https://www.suse.com/security/cve/CVE-2023-28464.html">CVE-2023-28464</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-2023-0386</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-2023-0386</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-2023-0461</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-2023-0461</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-2023-1281</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-2023-1281</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-2023-1989</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-2023-1989</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>
<li class="list-group-item">
<span class="cvss-reference">CVE-2023-2162</span>
<span class="cvss-source">
(
SUSE
):
</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>
<li class="list-group-item">
<span class="cvss-reference">CVE-2023-2162</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:H/I:N/A:N</span>
</li>
<li class="list-group-item">
<span class="cvss-reference">CVE-2023-23454</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-2023-23454</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-2023-28464</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-2023-28464</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>
</ul>
</td>
</tr>
<tr>
<th>Affected Products:</th>
<td>
<ul class="list-group">
<li class="list-group-item">SUSE Linux Enterprise High Performance Computing 15 SP4</li>
<li class="list-group-item">SUSE Linux Enterprise Live Patching 15-SP4</li>
<li class="list-group-item">SUSE Linux Enterprise Micro 5.3</li>
<li class="list-group-item">SUSE Linux Enterprise Micro 5.4</li>
<li class="list-group-item">SUSE Linux Enterprise Real Time 15 SP4</li>
<li class="list-group-item">SUSE Linux Enterprise Server 15 SP4</li>
<li class="list-group-item">SUSE Linux Enterprise Server for SAP Applications 15 SP4</li>
</ul>
</td>
</tr>
</tbody>
</table>
<p>An update that solves seven vulnerabilities can now be installed.</p>
<h2>Description:</h2>
<p>This update for the Linux Kernel 5.14.21-150400_15_5 fixes several issues.</p>
<p>The following security issues were fixed:</p>
<ul>
<li>CVE-2023-28464: Fixed user-after-free that could lead to privilege escalation in hci_conn_cleanup in net/uetooth/hci_conn.c (bsc#1211111).</li>
<li>CVE-2023-1989: Fixed a use after free in btsdio_remove (bsc#1210500).</li>
<li>CVE-2023-0386: Fixed privileges escalation for low-privileged users in the OverlayFS subsystem (bsc#1210499).</li>
<li>CVE-2023-1281: Fixed use after free that could lead to privilege escalation in tcindex (bsc#1209683).</li>
<li>CVE-2023-2162: Fixed an use-after-free flaw in iscsi_sw_tcp_session_create (bsc#1210662).</li>
<li>CVE-2023-0461: Fixed use-after-free in icsk_ulp_data (bsc#1208911).</li>
<li>CVE-2023-23454: Fixed a type-confusion in the CBQ network scheduler (bsc#1207188).</li>
</ul>
<h2>Patch Instructions:</h2>
<p>
To install this SUSE Important 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-SP4
<br/>
<code>zypper in -t patch SUSE-SLE-Module-Live-Patching-15-SP4-2023-2371=1 SUSE-SLE-Module-Live-Patching-15-SP4-2023-2370=1</code>
</li>
</ul>
<h2>Package List:</h2>
<ul>
<li>
SUSE Linux Enterprise Live Patching 15-SP4 (x86_64)
<ul>
<li>kernel-livepatch-5_14_21-150400_15_5-rt-debuginfo-6-150400.2.2</li>
<li>kernel-livepatch-5_14_21-150400_15_8-rt-debuginfo-5-150400.2.2</li>
<li>kernel-livepatch-SLE15-SP4-RT_Update_1-debugsource-6-150400.2.2</li>
<li>kernel-livepatch-5_14_21-150400_15_5-rt-6-150400.2.2</li>
<li>kernel-livepatch-5_14_21-150400_15_8-rt-5-150400.2.2</li>
<li>kernel-livepatch-SLE15-SP4-RT_Update_2-debugsource-5-150400.2.2</li>
</ul>
</li>
</ul>
<h2>References:</h2>
<ul>
<li>
<a href="https://www.suse.com/security/cve/CVE-2023-0386.html">https://www.suse.com/security/cve/CVE-2023-0386.html</a>
</li>
<li>
<a href="https://www.suse.com/security/cve/CVE-2023-0461.html">https://www.suse.com/security/cve/CVE-2023-0461.html</a>
</li>
<li>
<a href="https://www.suse.com/security/cve/CVE-2023-1281.html">https://www.suse.com/security/cve/CVE-2023-1281.html</a>
</li>
<li>
<a href="https://www.suse.com/security/cve/CVE-2023-1989.html">https://www.suse.com/security/cve/CVE-2023-1989.html</a>
</li>
<li>
<a href="https://www.suse.com/security/cve/CVE-2023-2162.html">https://www.suse.com/security/cve/CVE-2023-2162.html</a>
</li>
<li>
<a href="https://www.suse.com/security/cve/CVE-2023-23454.html">https://www.suse.com/security/cve/CVE-2023-23454.html</a>
</li>
<li>
<a href="https://www.suse.com/security/cve/CVE-2023-28464.html">https://www.suse.com/security/cve/CVE-2023-28464.html</a>
</li>
<li>
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1207188">https://bugzilla.suse.com/show_bug.cgi?id=1207188</a>
</li>
<li>
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1208911">https://bugzilla.suse.com/show_bug.cgi?id=1208911</a>
</li>
<li>
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1209683">https://bugzilla.suse.com/show_bug.cgi?id=1209683</a>
</li>
<li>
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1210499">https://bugzilla.suse.com/show_bug.cgi?id=1210499</a>
</li>
<li>
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1210500">https://bugzilla.suse.com/show_bug.cgi?id=1210500</a>
</li>
<li>
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1210662">https://bugzilla.suse.com/show_bug.cgi?id=1210662</a>
</li>
<li>
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1211111">https://bugzilla.suse.com/show_bug.cgi?id=1211111</a>
</li>
</ul>
</div>