<div class="container">
<h1>Security update for xen</h1>
<table class="table table-striped table-bordered">
<tbody>
<tr>
<th>Announcement ID:</th>
<td>SUSE-SU-2023:0846-1</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=1209017">#1209017</a>
</li>
<li style="display: inline;">
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1209019">#1209019</a>
</li>
<li style="display: inline;">
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1209188">#1209188</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-2022-42331.html">CVE-2022-42331</a>
</li>
<li style="display: inline;">
<a href="https://www.suse.com/security/cve/CVE-2022-42332.html">CVE-2022-42332</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-2022-42331</span>
<span class="cvss-source">
(
SUSE
):
</span>
<span class="cvss-score">5.6</span>
<span class="cvss-vector">CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:N/A:N</span>
</li>
<li class="list-group-item">
<span class="cvss-reference">CVE-2022-42332</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>
</ul>
</td>
</tr>
<tr>
<th>Affected Products:</th>
<td>
<ul class="list-group">
<li class="list-group-item">SUSE Linux Enterprise High Performance Computing 12 SP2</li>
<li class="list-group-item">SUSE Linux Enterprise Server 12 SP2</li>
<li class="list-group-item">SUSE Linux Enterprise Server 12 SP2 BCL 12-SP2</li>
</ul>
</td>
</tr>
</tbody>
</table>
<p>An update that solves two vulnerabilities and has one fix can now be installed.</p>
<h2>Description:</h2>
<p>This update for xen fixes the following issues:</p>
<ul>
<li>CVE-2022-42332: Fixed use-after-free in x86 shadow plus log-dirty mode (bsc#1209017).</li>
<li>CVE-2022-42331: Fixed speculative vulnerability in 32bit SYSCALL path on x86 (bsc#1209019).</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 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 Server 12 SP2 BCL 12-SP2
<br/>
<code>zypper in -t patch SUSE-SLE-SERVER-12-SP2-BCL-2023-846=1</code>
</li>
</ul>
<h2>Package List:</h2>
<ul>
<li>
SUSE Linux Enterprise Server 12 SP2 BCL 12-SP2 (x86_64)
<ul>
<li>xen-4.7.6_32-43.104.1</li>
<li>xen-tools-domU-4.7.6_32-43.104.1</li>
<li>xen-libs-4.7.6_32-43.104.1</li>
<li>xen-libs-32bit-4.7.6_32-43.104.1</li>
<li>xen-tools-4.7.6_32-43.104.1</li>
<li>xen-libs-debuginfo-32bit-4.7.6_32-43.104.1</li>
<li>xen-debugsource-4.7.6_32-43.104.1</li>
<li>xen-tools-domU-debuginfo-4.7.6_32-43.104.1</li>
<li>xen-doc-html-4.7.6_32-43.104.1</li>
<li>xen-tools-debuginfo-4.7.6_32-43.104.1</li>
<li>xen-libs-debuginfo-4.7.6_32-43.104.1</li>
</ul>
</li>
</ul>
<h2>References:</h2>
<ul>
<li>
<a href="https://www.suse.com/security/cve/CVE-2022-42331.html">https://www.suse.com/security/cve/CVE-2022-42331.html</a>
</li>
<li>
<a href="https://www.suse.com/security/cve/CVE-2022-42332.html">https://www.suse.com/security/cve/CVE-2022-42332.html</a>
</li>
<li>
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1209017">https://bugzilla.suse.com/show_bug.cgi?id=1209017</a>
</li>
<li>
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1209019">https://bugzilla.suse.com/show_bug.cgi?id=1209019</a>
</li>
<li>
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1209188">https://bugzilla.suse.com/show_bug.cgi?id=1209188</a>
</li>
</ul>
</div>