<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-2023:3831-1</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=1215145">#1215145</a>
</li>
<li style="display: inline;">
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1215474">#1215474</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-2023-20588.html">CVE-2023-20588</a>
</li>
<li style="display: inline;">
<a href="https://www.suse.com/security/cve/CVE-2023-34322.html">CVE-2023-34322</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-2023-20588</span>
<span class="cvss-source">
(
SUSE
):
</span>
<span class="cvss-score">6.0</span>
<span class="cvss-vector">CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:N/A:N</span>
</li>
<li class="list-group-item">
<span class="cvss-reference">CVE-2023-20588</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-2023-34322</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">Basesystem Module 15-SP5</li>
<li class="list-group-item">openSUSE Leap 15.5</li>
<li class="list-group-item">Server Applications Module 15-SP5</li>
<li class="list-group-item">SUSE Linux Enterprise Desktop 15 SP5</li>
<li class="list-group-item">SUSE Linux Enterprise High Performance Computing 15 SP5</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 two vulnerabilities can now be installed.</p>
<h2>Description:</h2>
<p>This update for xen fixes the following issues:</p>
<ul>
<li>CVE-2023-20588: Fixed AMD CPU transitional execution leak via division by zero (XSA-439) (bsc#1215474).</li>
<li>CVE-2023-34322: Fixed top-level shadow reference dropped too early for 64-bit PV guests (XSA-438) (bsc#1215145).</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 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 openSUSE-SLE-15.5-2023-3831=1 SUSE-2023-3831=1</code>
</li>
<li class="list-group-item">
Basesystem Module 15-SP5
<br/>
<code>zypper in -t patch SUSE-SLE-Module-Basesystem-15-SP5-2023-3831=1</code>
</li>
<li class="list-group-item">
Server Applications Module 15-SP5
<br/>
<code>zypper in -t patch SUSE-SLE-Module-Server-Applications-15-SP5-2023-3831=1</code>
</li>
</ul>
<h2>Package List:</h2>
<ul>
<li>
openSUSE Leap 15.5 (aarch64 x86_64)
<ul>
<li>xen-tools-debuginfo-4.17.2_04-150500.3.9.1</li>
<li>xen-4.17.2_04-150500.3.9.1</li>
<li>xen-doc-html-4.17.2_04-150500.3.9.1</li>
<li>xen-tools-4.17.2_04-150500.3.9.1</li>
</ul>
</li>
<li>
openSUSE Leap 15.5 (aarch64 x86_64 i586)
<ul>
<li>xen-tools-domU-debuginfo-4.17.2_04-150500.3.9.1</li>
<li>xen-devel-4.17.2_04-150500.3.9.1</li>
<li>xen-libs-4.17.2_04-150500.3.9.1</li>
<li>xen-tools-domU-4.17.2_04-150500.3.9.1</li>
<li>xen-debugsource-4.17.2_04-150500.3.9.1</li>
<li>xen-libs-debuginfo-4.17.2_04-150500.3.9.1</li>
</ul>
</li>
<li>
openSUSE Leap 15.5 (x86_64)
<ul>
<li>xen-libs-32bit-4.17.2_04-150500.3.9.1</li>
<li>xen-libs-32bit-debuginfo-4.17.2_04-150500.3.9.1</li>
</ul>
</li>
<li>
openSUSE Leap 15.5 (noarch)
<ul>
<li>xen-tools-xendomains-wait-disk-4.17.2_04-150500.3.9.1</li>
</ul>
</li>
<li>
openSUSE Leap 15.5 (aarch64_ilp32)
<ul>
<li>xen-libs-64bit-debuginfo-4.17.2_04-150500.3.9.1</li>
<li>xen-libs-64bit-4.17.2_04-150500.3.9.1</li>
</ul>
</li>
<li>
Basesystem Module 15-SP5 (x86_64)
<ul>
<li>xen-tools-domU-debuginfo-4.17.2_04-150500.3.9.1</li>
<li>xen-libs-4.17.2_04-150500.3.9.1</li>
<li>xen-tools-domU-4.17.2_04-150500.3.9.1</li>
<li>xen-debugsource-4.17.2_04-150500.3.9.1</li>
<li>xen-libs-debuginfo-4.17.2_04-150500.3.9.1</li>
</ul>
</li>
<li>
Server Applications Module 15-SP5 (x86_64)
<ul>
<li>xen-tools-4.17.2_04-150500.3.9.1</li>
<li>xen-devel-4.17.2_04-150500.3.9.1</li>
<li>xen-debugsource-4.17.2_04-150500.3.9.1</li>
<li>xen-tools-debuginfo-4.17.2_04-150500.3.9.1</li>
<li>xen-4.17.2_04-150500.3.9.1</li>
</ul>
</li>
<li>
Server Applications Module 15-SP5 (noarch)
<ul>
<li>xen-tools-xendomains-wait-disk-4.17.2_04-150500.3.9.1</li>
</ul>
</li>
</ul>
<h2>References:</h2>
<ul>
<li>
<a href="https://www.suse.com/security/cve/CVE-2023-20588.html">https://www.suse.com/security/cve/CVE-2023-20588.html</a>
</li>
<li>
<a href="https://www.suse.com/security/cve/CVE-2023-34322.html">https://www.suse.com/security/cve/CVE-2023-34322.html</a>
</li>
<li>
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1215145">https://bugzilla.suse.com/show_bug.cgi?id=1215145</a>
</li>
<li>
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1215474">https://bugzilla.suse.com/show_bug.cgi?id=1215474</a>
</li>
</ul>
</div>