<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-2023:3902-1</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=1213616">#1213616</a>
</li>
<li style="display: inline;">
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1214083">#1214083</a>
</li>
<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-2022-40982.html">CVE-2022-40982</a>
</li>
<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-2023-20593.html">CVE-2023-20593</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-2022-40982</span>
<span class="cvss-source">
(
SUSE
):
</span>
<span class="cvss-score">6.2</span>
<span class="cvss-vector">CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N</span>
</li>
<li class="list-group-item">
<span class="cvss-reference">CVE-2022-40982</span>
<span class="cvss-source">
(
NVD
):
</span>
<span class="cvss-score">6.5</span>
<span class="cvss-vector">CVSS:3.1/AV:L/AC:L/PR:L/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">
(
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-2023-20593</span>
<span class="cvss-source">
(
SUSE
):
</span>
<span class="cvss-score">6.2</span>
<span class="cvss-vector">CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N</span>
</li>
<li class="list-group-item">
<span class="cvss-reference">CVE-2023-20593</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">SUSE CaaS Platform 4.0</li>
<li class="list-group-item">SUSE Linux Enterprise High Performance Computing 15 SP1</li>
<li class="list-group-item">SUSE Linux Enterprise High Performance Computing 15 SP1 LTSS 15-SP1</li>
<li class="list-group-item">SUSE Linux Enterprise Server 15 SP1</li>
<li class="list-group-item">SUSE Linux Enterprise Server 15 SP1 LTSS 15-SP1</li>
<li class="list-group-item">SUSE Linux Enterprise Server for SAP Applications 15 SP1</li>
</ul>
</td>
</tr>
</tbody>
</table>
<p>An update that solves four 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>
<li>CVE-2023-20593: Fixed AMD Zenbleed (XSA-433) (bsc#1213616).</li>
<li>CVE-2022-40982: Fixed Intel Gather Data Sampling (XSA-435) (bsc#1214083).</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">
SUSE Linux Enterprise High Performance Computing 15 SP1 LTSS 15-SP1
<br/>
<code>zypper in -t patch SUSE-SLE-Product-HPC-15-SP1-LTSS-2023-3902=1</code>
</li>
<li class="list-group-item">
SUSE Linux Enterprise Server 15 SP1 LTSS 15-SP1
<br/>
<code>zypper in -t patch SUSE-SLE-Product-SLES-15-SP1-LTSS-2023-3902=1</code>
</li>
<li class="list-group-item">
SUSE Linux Enterprise Server for SAP Applications 15 SP1
<br/>
<code>zypper in -t patch SUSE-SLE-Product-SLES_SAP-15-SP1-2023-3902=1</code>
</li>
<li class="list-group-item">
SUSE CaaS Platform 4.0
<br/>
<span>
To install this update, use the SUSE CaaS Platform 'skuba' tool. It will
inform you if it detects new updates and let you then trigger updating of
the complete cluster in a controlled way.
</span>
</li>
</ul>
<h2>Package List:</h2>
<ul>
<li>
SUSE Linux Enterprise High Performance Computing 15 SP1 LTSS 15-SP1 (x86_64)
<ul>
<li>xen-libs-4.12.4_38-150100.3.92.1</li>
<li>xen-tools-debuginfo-4.12.4_38-150100.3.92.1</li>
<li>xen-libs-debuginfo-4.12.4_38-150100.3.92.1</li>
<li>xen-tools-4.12.4_38-150100.3.92.1</li>
<li>xen-4.12.4_38-150100.3.92.1</li>
<li>xen-debugsource-4.12.4_38-150100.3.92.1</li>
<li>xen-tools-domU-debuginfo-4.12.4_38-150100.3.92.1</li>
<li>xen-tools-domU-4.12.4_38-150100.3.92.1</li>
<li>xen-devel-4.12.4_38-150100.3.92.1</li>
</ul>
</li>
<li>
SUSE Linux Enterprise Server 15 SP1 LTSS 15-SP1 (x86_64)
<ul>
<li>xen-libs-4.12.4_38-150100.3.92.1</li>
<li>xen-tools-debuginfo-4.12.4_38-150100.3.92.1</li>
<li>xen-libs-debuginfo-4.12.4_38-150100.3.92.1</li>
<li>xen-tools-4.12.4_38-150100.3.92.1</li>
<li>xen-4.12.4_38-150100.3.92.1</li>
<li>xen-debugsource-4.12.4_38-150100.3.92.1</li>
<li>xen-tools-domU-debuginfo-4.12.4_38-150100.3.92.1</li>
<li>xen-tools-domU-4.12.4_38-150100.3.92.1</li>
<li>xen-devel-4.12.4_38-150100.3.92.1</li>
</ul>
</li>
<li>
SUSE Linux Enterprise Server for SAP Applications 15 SP1 (x86_64)
<ul>
<li>xen-libs-4.12.4_38-150100.3.92.1</li>
<li>xen-tools-debuginfo-4.12.4_38-150100.3.92.1</li>
<li>xen-libs-debuginfo-4.12.4_38-150100.3.92.1</li>
<li>xen-tools-4.12.4_38-150100.3.92.1</li>
<li>xen-4.12.4_38-150100.3.92.1</li>
<li>xen-debugsource-4.12.4_38-150100.3.92.1</li>
<li>xen-tools-domU-debuginfo-4.12.4_38-150100.3.92.1</li>
<li>xen-tools-domU-4.12.4_38-150100.3.92.1</li>
<li>xen-devel-4.12.4_38-150100.3.92.1</li>
</ul>
</li>
<li>
SUSE CaaS Platform 4.0 (x86_64)
<ul>
<li>xen-libs-4.12.4_38-150100.3.92.1</li>
<li>xen-tools-debuginfo-4.12.4_38-150100.3.92.1</li>
<li>xen-libs-debuginfo-4.12.4_38-150100.3.92.1</li>
<li>xen-tools-4.12.4_38-150100.3.92.1</li>
<li>xen-4.12.4_38-150100.3.92.1</li>
<li>xen-debugsource-4.12.4_38-150100.3.92.1</li>
<li>xen-tools-domU-debuginfo-4.12.4_38-150100.3.92.1</li>
<li>xen-tools-domU-4.12.4_38-150100.3.92.1</li>
<li>xen-devel-4.12.4_38-150100.3.92.1</li>
</ul>
</li>
</ul>
<h2>References:</h2>
<ul>
<li>
<a href="https://www.suse.com/security/cve/CVE-2022-40982.html">https://www.suse.com/security/cve/CVE-2022-40982.html</a>
</li>
<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-2023-20593.html">https://www.suse.com/security/cve/CVE-2023-20593.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=1213616">https://bugzilla.suse.com/show_bug.cgi?id=1213616</a>
</li>
<li>
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1214083">https://bugzilla.suse.com/show_bug.cgi?id=1214083</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>