<div class="container">
<h1>Security update for the Linux Kernel RT (Live Patch 6 for SLE 15 SP4)</h1>
<table class="table table-striped table-bordered">
<tbody>
<tr>
<th>Announcement ID:</th>
<td>SUSE-SU-2023:3668-1</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=1208839">#1208839</a>
</li>
<li style="display: inline;">
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1210630">#1210630</a>
</li>
<li style="display: inline;">
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1211187">#1211187</a>
</li>
<li style="display: inline;">
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1211395">#1211395</a>
</li>
<li style="display: inline;">
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1212849">#1212849</a>
</li>
<li style="display: inline;">
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1213063">#1213063</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-2023-1077.html">CVE-2023-1077</a>
</li>
<li style="display: inline;">
<a href="https://www.suse.com/security/cve/CVE-2023-2156.html">CVE-2023-2156</a>
</li>
<li style="display: inline;">
<a href="https://www.suse.com/security/cve/CVE-2023-2176.html">CVE-2023-2176</a>
</li>
<li style="display: inline;">
<a href="https://www.suse.com/security/cve/CVE-2023-3090.html">CVE-2023-3090</a>
</li>
<li style="display: inline;">
<a href="https://www.suse.com/security/cve/CVE-2023-32233.html">CVE-2023-32233</a>
</li>
<li style="display: inline;">
<a href="https://www.suse.com/security/cve/CVE-2023-35001.html">CVE-2023-35001</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-2023-1077</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-2023-1077</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-2023-2156</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:N/I:N/A:H</span>
</li>
<li class="list-group-item">
<span class="cvss-reference">CVE-2023-2156</span>
<span class="cvss-source">
(
NVD
):
</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:N/I:N/A:H</span>
</li>
<li class="list-group-item">
<span class="cvss-reference">CVE-2023-2176</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-2023-2176</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-2023-3090</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-2023-3090</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-2023-32233</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-2023-32233</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-2023-35001</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-2023-35001</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 six vulnerabilities can now be installed.</p>
<h2>Description:</h2>
<p>This update for the Linux Kernel 5.14.21-150400_15_23 fixes several issues.</p>
<p>The following security issues were fixed:</p>
<ul>
<li>CVE-2023-32233: Fixed a use-after-free in Netfilter nf_tables when processing batch requests (bsc#1211187).</li>
<li>CVE-2023-2156: Fixed a flaw in the networking subsystem within the handling of the RPL protocol (bsc#1211395).</li>
<li>CVE-2023-35001: Fixed an out-of-bounds memory access flaw in nft_byteorder that could allow a local attacker to escalate their privilege (bsc#1213063).</li>
<li>CVE-2023-1077: Fixed a type confusion in pick_next_rt_entity(), that could cause memory corruption (bsc#1208839).</li>
<li>CVE-2023-2176: Fixed an out-of-boundary read in compare_netdev_and_ip in drivers/infiniband/core/cma.c in RDMA (bsc#1210630).</li>
<li>CVE-2023-3090: Fixed a heap out-of-bounds write in the ipvlan network driver (bsc#1212849).</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 Live Patching 15-SP4
<br/>
<code>zypper in -t patch SUSE-SLE-Module-Live-Patching-15-SP4-2023-3668=1 SUSE-SLE-Module-Live-Patching-15-SP4-2023-3674=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_18-rt-debuginfo-6-150400.2.1</li>
<li>kernel-livepatch-5_14_21-150400_15_23-rt-5-150400.2.1</li>
<li>kernel-livepatch-5_14_21-150400_15_18-rt-6-150400.2.1</li>
<li>kernel-livepatch-SLE15-SP4-RT_Update_6-debugsource-5-150400.2.1</li>
<li>kernel-livepatch-SLE15-SP4-RT_Update_5-debugsource-6-150400.2.1</li>
<li>kernel-livepatch-5_14_21-150400_15_23-rt-debuginfo-5-150400.2.1</li>
</ul>
</li>
</ul>
<h2>References:</h2>
<ul>
<li>
<a href="https://www.suse.com/security/cve/CVE-2023-1077.html">https://www.suse.com/security/cve/CVE-2023-1077.html</a>
</li>
<li>
<a href="https://www.suse.com/security/cve/CVE-2023-2156.html">https://www.suse.com/security/cve/CVE-2023-2156.html</a>
</li>
<li>
<a href="https://www.suse.com/security/cve/CVE-2023-2176.html">https://www.suse.com/security/cve/CVE-2023-2176.html</a>
</li>
<li>
<a href="https://www.suse.com/security/cve/CVE-2023-3090.html">https://www.suse.com/security/cve/CVE-2023-3090.html</a>
</li>
<li>
<a href="https://www.suse.com/security/cve/CVE-2023-32233.html">https://www.suse.com/security/cve/CVE-2023-32233.html</a>
</li>
<li>
<a href="https://www.suse.com/security/cve/CVE-2023-35001.html">https://www.suse.com/security/cve/CVE-2023-35001.html</a>
</li>
<li>
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1208839">https://bugzilla.suse.com/show_bug.cgi?id=1208839</a>
</li>
<li>
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1210630">https://bugzilla.suse.com/show_bug.cgi?id=1210630</a>
</li>
<li>
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1211187">https://bugzilla.suse.com/show_bug.cgi?id=1211187</a>
</li>
<li>
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1211395">https://bugzilla.suse.com/show_bug.cgi?id=1211395</a>
</li>
<li>
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1212849">https://bugzilla.suse.com/show_bug.cgi?id=1212849</a>
</li>
<li>
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1213063">https://bugzilla.suse.com/show_bug.cgi?id=1213063</a>
</li>
</ul>
</div>