<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-2023:4184-1</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=1215744">bsc#1215744</a>
</li>
<li style="display: inline;">
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1215746">bsc#1215746</a>
</li>
<li style="display: inline;">
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1215747">bsc#1215747</a>
</li>
<li style="display: inline;">
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1215748">bsc#1215748</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-2023-34323.html">CVE-2023-34323</a>
</li>
<li style="display: inline;">
<a href="https://www.suse.com/security/cve/CVE-2023-34325.html">CVE-2023-34325</a>
</li>
<li style="display: inline;">
<a href="https://www.suse.com/security/cve/CVE-2023-34326.html">CVE-2023-34326</a>
</li>
<li style="display: inline;">
<a href="https://www.suse.com/security/cve/CVE-2023-34327.html">CVE-2023-34327</a>
</li>
<li style="display: inline;">
<a href="https://www.suse.com/security/cve/CVE-2023-34328.html">CVE-2023-34328</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-2023-34323</span>
<span class="cvss-source">
(
SUSE
):
</span>
<span class="cvss-score">5.7</span>
<span class="cvss-vector">CVSS:3.1/AV:A/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-2023-34325</span>
<span class="cvss-source">
(
SUSE
):
</span>
<span class="cvss-score">5.5</span>
<span class="cvss-vector">CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L</span>
</li>
<li class="list-group-item">
<span class="cvss-reference">CVE-2023-34326</span>
<span class="cvss-source">
(
SUSE
):
</span>
<span class="cvss-score">8.8</span>
<span class="cvss-vector">CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H</span>
</li>
<li class="list-group-item">
<span class="cvss-reference">CVE-2023-34327</span>
<span class="cvss-source">
(
SUSE
):
</span>
<span class="cvss-score">5.7</span>
<span class="cvss-vector">CVSS:3.1/AV:A/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-2023-34328</span>
<span class="cvss-source">
(
SUSE
):
</span>
<span class="cvss-score">5.7</span>
<span class="cvss-vector">CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:N/I:N/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 five vulnerabilities can now be installed.</p>
<h2>Description:</h2>
<p>This update for xen fixes the following issues:</p>
<ul>
<li>CVE-2023-34323: Fixed a potential crash in C Xenstored due to an
incorrect assertion (XSA-440) (bsc#1215744).</li>
<li>CVE-2023-34326: Fixed a missing IOMMU TLB flush on x86 AMD systems
with IOMMU hardware and PCI passthrough enabled (XSA-442)
(bsc#1215746).</li>
<li>CVE-2023-34325: Fixed multiple parsing issues in libfsimage
(XSA-443) (bsc#1215747).</li>
<li>CVE-2023-34327, CVE-2023-34328: Fixed multiple issues with AMD x86
debugging functionality for guests (XSA-444) (bsc#1215748).</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-2023-4184=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-2023-4184=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-SP1-2023-4184=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-tools-domU-debuginfo-4.12.4_40-150100.3.95.1</li>
<li>xen-tools-debuginfo-4.12.4_40-150100.3.95.1</li>
<li>xen-debugsource-4.12.4_40-150100.3.95.1</li>
<li>xen-devel-4.12.4_40-150100.3.95.1</li>
<li>xen-4.12.4_40-150100.3.95.1</li>
<li>xen-tools-domU-4.12.4_40-150100.3.95.1</li>
<li>xen-libs-debuginfo-4.12.4_40-150100.3.95.1</li>
<li>xen-tools-4.12.4_40-150100.3.95.1</li>
<li>xen-libs-4.12.4_40-150100.3.95.1</li>
</ul>
</li>
<li>
SUSE Linux Enterprise Server 15 SP1 LTSS 15-SP1 (x86_64)
<ul>
<li>xen-tools-domU-debuginfo-4.12.4_40-150100.3.95.1</li>
<li>xen-tools-debuginfo-4.12.4_40-150100.3.95.1</li>
<li>xen-debugsource-4.12.4_40-150100.3.95.1</li>
<li>xen-devel-4.12.4_40-150100.3.95.1</li>
<li>xen-4.12.4_40-150100.3.95.1</li>
<li>xen-tools-domU-4.12.4_40-150100.3.95.1</li>
<li>xen-libs-debuginfo-4.12.4_40-150100.3.95.1</li>
<li>xen-tools-4.12.4_40-150100.3.95.1</li>
<li>xen-libs-4.12.4_40-150100.3.95.1</li>
</ul>
</li>
<li>
SUSE Linux Enterprise Server for SAP Applications 15 SP1 (x86_64)
<ul>
<li>xen-tools-domU-debuginfo-4.12.4_40-150100.3.95.1</li>
<li>xen-tools-debuginfo-4.12.4_40-150100.3.95.1</li>
<li>xen-debugsource-4.12.4_40-150100.3.95.1</li>
<li>xen-devel-4.12.4_40-150100.3.95.1</li>
<li>xen-4.12.4_40-150100.3.95.1</li>
<li>xen-tools-domU-4.12.4_40-150100.3.95.1</li>
<li>xen-libs-debuginfo-4.12.4_40-150100.3.95.1</li>
<li>xen-tools-4.12.4_40-150100.3.95.1</li>
<li>xen-libs-4.12.4_40-150100.3.95.1</li>
</ul>
</li>
<li>
SUSE CaaS Platform 4.0 (x86_64)
<ul>
<li>xen-tools-domU-debuginfo-4.12.4_40-150100.3.95.1</li>
<li>xen-tools-debuginfo-4.12.4_40-150100.3.95.1</li>
<li>xen-debugsource-4.12.4_40-150100.3.95.1</li>
<li>xen-devel-4.12.4_40-150100.3.95.1</li>
<li>xen-4.12.4_40-150100.3.95.1</li>
<li>xen-tools-domU-4.12.4_40-150100.3.95.1</li>
<li>xen-libs-debuginfo-4.12.4_40-150100.3.95.1</li>
<li>xen-tools-4.12.4_40-150100.3.95.1</li>
<li>xen-libs-4.12.4_40-150100.3.95.1</li>
</ul>
</li>
</ul>
<h2>References:</h2>
<ul>
<li>
<a href="https://www.suse.com/security/cve/CVE-2023-34323.html">https://www.suse.com/security/cve/CVE-2023-34323.html</a>
</li>
<li>
<a href="https://www.suse.com/security/cve/CVE-2023-34325.html">https://www.suse.com/security/cve/CVE-2023-34325.html</a>
</li>
<li>
<a href="https://www.suse.com/security/cve/CVE-2023-34326.html">https://www.suse.com/security/cve/CVE-2023-34326.html</a>
</li>
<li>
<a href="https://www.suse.com/security/cve/CVE-2023-34327.html">https://www.suse.com/security/cve/CVE-2023-34327.html</a>
</li>
<li>
<a href="https://www.suse.com/security/cve/CVE-2023-34328.html">https://www.suse.com/security/cve/CVE-2023-34328.html</a>
</li>
<li>
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1215744">https://bugzilla.suse.com/show_bug.cgi?id=1215744</a>
</li>
<li>
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1215746">https://bugzilla.suse.com/show_bug.cgi?id=1215746</a>
</li>
<li>
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1215747">https://bugzilla.suse.com/show_bug.cgi?id=1215747</a>
</li>
<li>
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1215748">https://bugzilla.suse.com/show_bug.cgi?id=1215748</a>
</li>
</ul>
</div>