<div class="container">
<h1>Security update for ovmf</h1>
<table class="table table-striped table-bordered">
<tbody>
<tr>
<th>Announcement ID:</th>
<td>SUSE-SU-2026:0196-1</td>
</tr>
<tr>
<th>Release Date:</th>
<td>2026-01-21T09:05:27Z</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=1218881">bsc#1218881</a>
</li>
<li style="display: inline;">
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1218882">bsc#1218882</a>
</li>
<li style="display: inline;">
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1218883">bsc#1218883</a>
</li>
<li style="display: inline;">
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1218884">bsc#1218884</a>
</li>
<li style="display: inline;">
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1218885">bsc#1218885</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-2023-45231.html">CVE-2023-45231</a>
</li>
<li style="display: inline;">
<a href="https://www.suse.com/security/cve/CVE-2023-45232.html">CVE-2023-45232</a>
</li>
<li style="display: inline;">
<a href="https://www.suse.com/security/cve/CVE-2023-45233.html">CVE-2023-45233</a>
</li>
<li style="display: inline;">
<a href="https://www.suse.com/security/cve/CVE-2023-45234.html">CVE-2023-45234</a>
</li>
<li style="display: inline;">
<a href="https://www.suse.com/security/cve/CVE-2023-45235.html">CVE-2023-45235</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-2023-45231</span>
<span class="cvss-source">
(
SUSE
):
</span>
<span class="cvss-score">6.5</span>
<span class="cvss-vector">CVSS:3.1/AV:A/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-2023-45231</span>
<span class="cvss-source">
(
NVD
):
</span>
<span class="cvss-score">6.5</span>
<span class="cvss-vector">CVSS:3.1/AV:A/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-2023-45231</span>
<span class="cvss-source">
(
NVD
):
</span>
<span class="cvss-score">6.5</span>
<span class="cvss-vector">CVSS:3.1/AV:A/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-2023-45232</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-2023-45232</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-2023-45232</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-2023-45233</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-2023-45233</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-2023-45233</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-2023-45234</span>
<span class="cvss-source">
(
SUSE
):
</span>
<span class="cvss-score">8.3</span>
<span class="cvss-vector">CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:H</span>
</li>
<li class="list-group-item">
<span class="cvss-reference">CVE-2023-45234</span>
<span class="cvss-source">
(
NVD
):
</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-2023-45234</span>
<span class="cvss-source">
(
NVD
):
</span>
<span class="cvss-score">8.3</span>
<span class="cvss-vector">CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:H</span>
</li>
<li class="list-group-item">
<span class="cvss-reference">CVE-2023-45235</span>
<span class="cvss-source">
(
SUSE
):
</span>
<span class="cvss-score">8.3</span>
<span class="cvss-vector">CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:H</span>
</li>
<li class="list-group-item">
<span class="cvss-reference">CVE-2023-45235</span>
<span class="cvss-source">
(
NVD
):
</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-2023-45235</span>
<span class="cvss-source">
(
NVD
):
</span>
<span class="cvss-score">8.3</span>
<span class="cvss-vector">CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:L/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 SP5</li>
<li class="list-group-item">SUSE Linux Enterprise Server 12 SP5</li>
<li class="list-group-item">SUSE Linux Enterprise Server 12 SP5 LTSS</li>
<li class="list-group-item">SUSE Linux Enterprise Server 12 SP5 LTSS Extended Security</li>
<li class="list-group-item">SUSE Linux Enterprise Server for SAP Applications 12 SP5</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 ovmf fixes the following issues:</p>
<ul>
<li>CVE-2023-45231: Fixed out of bounds read when handling a ND Redirect message with truncated options (bsc#1218881).</li>
<li>CVE-2023-45232: Fixed infinite loop when parsing unknown options in the Destination Options header (bsc#1218882).</li>
<li>CVE-2023-45233: Fixed infinite loop when parsing a PadN option in the Destination Options header (bsc#1218883).</li>
<li>CVE-2023-45234: Fixed buffer overflow when processing DNS Servers option in a DHCPv6 Advertise message (bsc#1218884).</li>
<li>CVE-2023-45235: Fixed buffer overflow when handling Server ID option from a DHCPv6 proxy Advertise message (bsc#1218885).</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 Server 12 SP5 LTSS
<br/>
<code>zypper in -t patch SUSE-SLE-SERVER-12-SP5-LTSS-2026-196=1</code>
</li>
<li class="list-group-item">
SUSE Linux Enterprise Server 12 SP5 LTSS Extended Security
<br/>
<code>zypper in -t patch SUSE-SLE-SERVER-12-SP5-LTSS-EXTENDED-SECURITY-2026-196=1</code>
</li>
</ul>
<h2>Package List:</h2>
<ul>
<li>
SUSE Linux Enterprise Server 12 SP5 LTSS (aarch64 x86_64)
<ul>
<li>ovmf-2017+git1510945757.b2662641d5-3.55.1</li>
<li>ovmf-tools-2017+git1510945757.b2662641d5-3.55.1</li>
</ul>
</li>
<li>
SUSE Linux Enterprise Server 12 SP5 LTSS (noarch)
<ul>
<li>qemu-uefi-aarch64-2017+git1510945757.b2662641d5-3.55.1</li>
<li>qemu-ovmf-x86_64-2017+git1510945757.b2662641d5-3.55.1</li>
</ul>
</li>
<li>
SUSE Linux Enterprise Server 12 SP5 LTSS Extended Security (x86_64)
<ul>
<li>ovmf-2017+git1510945757.b2662641d5-3.55.1</li>
<li>ovmf-tools-2017+git1510945757.b2662641d5-3.55.1</li>
</ul>
</li>
<li>
SUSE Linux Enterprise Server 12 SP5 LTSS Extended Security (noarch)
<ul>
<li>qemu-ovmf-x86_64-2017+git1510945757.b2662641d5-3.55.1</li>
</ul>
</li>
</ul>
<h2>References:</h2>
<ul>
<li>
<a href="https://www.suse.com/security/cve/CVE-2023-45231.html">https://www.suse.com/security/cve/CVE-2023-45231.html</a>
</li>
<li>
<a href="https://www.suse.com/security/cve/CVE-2023-45232.html">https://www.suse.com/security/cve/CVE-2023-45232.html</a>
</li>
<li>
<a href="https://www.suse.com/security/cve/CVE-2023-45233.html">https://www.suse.com/security/cve/CVE-2023-45233.html</a>
</li>
<li>
<a href="https://www.suse.com/security/cve/CVE-2023-45234.html">https://www.suse.com/security/cve/CVE-2023-45234.html</a>
</li>
<li>
<a href="https://www.suse.com/security/cve/CVE-2023-45235.html">https://www.suse.com/security/cve/CVE-2023-45235.html</a>
</li>
<li>
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1218881">https://bugzilla.suse.com/show_bug.cgi?id=1218881</a>
</li>
<li>
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1218882">https://bugzilla.suse.com/show_bug.cgi?id=1218882</a>
</li>
<li>
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1218883">https://bugzilla.suse.com/show_bug.cgi?id=1218883</a>
</li>
<li>
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1218884">https://bugzilla.suse.com/show_bug.cgi?id=1218884</a>
</li>
<li>
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1218885">https://bugzilla.suse.com/show_bug.cgi?id=1218885</a>
</li>
</ul>
</div>