<div class="container">
<h1>Security update for ucode-intel</h1>
<table class="table table-striped table-bordered">
<tbody>
<tr>
<th>Announcement ID:</th>
<td>SUSE-SU-2024:0917-1</td>
</tr>
<tr>
<th>Rating:</th>
<td>moderate</td>
</tr>
<tr>
<th>References:</th>
<td>
<ul>
<li style="display: inline;">
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1221323">bsc#1221323</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-2023-22655.html">CVE-2023-22655</a>
</li>
<li style="display: inline;">
<a href="https://www.suse.com/security/cve/CVE-2023-28746.html">CVE-2023-28746</a>
</li>
<li style="display: inline;">
<a href="https://www.suse.com/security/cve/CVE-2023-38575.html">CVE-2023-38575</a>
</li>
<li style="display: inline;">
<a href="https://www.suse.com/security/cve/CVE-2023-39368.html">CVE-2023-39368</a>
</li>
<li style="display: inline;">
<a href="https://www.suse.com/security/cve/CVE-2023-43490.html">CVE-2023-43490</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-2023-22655</span>
<span class="cvss-source">
(
SUSE
):
</span>
<span class="cvss-score">6.1</span>
<span class="cvss-vector">CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:C/C:L/I:H/A:N</span>
</li>
<li class="list-group-item">
<span class="cvss-reference">CVE-2023-28746</span>
<span class="cvss-source">
(
SUSE
):
</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-2023-38575</span>
<span class="cvss-source">
(
SUSE
):
</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-2023-39368</span>
<span class="cvss-source">
(
SUSE
):
</span>
<span class="cvss-score">6.5</span>
<span class="cvss-vector">CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H</span>
</li>
<li class="list-group-item">
<span class="cvss-reference">CVE-2023-43490</span>
<span class="cvss-source">
(
SUSE
):
</span>
<span class="cvss-score">5.3</span>
<span class="cvss-vector">CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:C/C:H/I:N/A:N</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 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 ucode-intel fixes the following issues:</p>
<ul>
<li>Updated to Intel CPU Microcode 20240312 release. (bsc#1221323)</li>
<li>CVE-2023-39368: Protection mechanism failure of bus lock regulator
for some Intel Processors may allow an unauthenticated user to
potentially enable denial of service via network access</li>
<li>CVE-2023-38575: Non-transparent sharing of return predictor targets
between contexts in some Intel Processors may allow an authorized
user to potentially enable information disclosure via local access.</li>
<li>CVE-2023-28746: Information exposure through microarchitectural
state after transient execution from some register files for some
Intel Atom Processors may allow an authenticated user to potentially
enable information disclosure via local access.</li>
<li>CVE-2023-22655 Protection mechanism failure in some 3rd and 4th
Generation Intel Xeon Processors when using Intel SGX or Intel TDX
may allow a privileged user to potentially enable escalation of
privilege via local access.</li>
<li>CVE-2023-43490: Incorrect calculation in microcode keying mechanism
for some Intel Xeon D Processors with Intel® SGX may allow a
privileged user to potentially enable information disclosure via
local access.</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 for SAP Applications 12 SP5
<br/>
<code>zypper in -t patch SUSE-SLE-SERVER-12-SP5-2024-917=1</code>
</li>
<li class="list-group-item">
SUSE Linux Enterprise High Performance Computing 12 SP5
<br/>
<code>zypper in -t patch SUSE-SLE-SERVER-12-SP5-2024-917=1</code>
</li>
<li class="list-group-item">
SUSE Linux Enterprise Server 12 SP5
<br/>
<code>zypper in -t patch SUSE-SLE-SERVER-12-SP5-2024-917=1</code>
</li>
</ul>
<h2>Package List:</h2>
<ul>
<li>
SUSE Linux Enterprise Server for SAP Applications 12 SP5 (x86_64)
<ul>
<li>ucode-intel-debuginfo-20240312-134.1</li>
<li>ucode-intel-debugsource-20240312-134.1</li>
<li>ucode-intel-20240312-134.1</li>
</ul>
</li>
<li>
SUSE Linux Enterprise High Performance Computing 12 SP5 (x86_64)
<ul>
<li>ucode-intel-debuginfo-20240312-134.1</li>
<li>ucode-intel-debugsource-20240312-134.1</li>
<li>ucode-intel-20240312-134.1</li>
</ul>
</li>
<li>
SUSE Linux Enterprise Server 12 SP5 (x86_64)
<ul>
<li>ucode-intel-debuginfo-20240312-134.1</li>
<li>ucode-intel-debugsource-20240312-134.1</li>
<li>ucode-intel-20240312-134.1</li>
</ul>
</li>
</ul>
<h2>References:</h2>
<ul>
<li>
<a href="https://www.suse.com/security/cve/CVE-2023-22655.html">https://www.suse.com/security/cve/CVE-2023-22655.html</a>
</li>
<li>
<a href="https://www.suse.com/security/cve/CVE-2023-28746.html">https://www.suse.com/security/cve/CVE-2023-28746.html</a>
</li>
<li>
<a href="https://www.suse.com/security/cve/CVE-2023-38575.html">https://www.suse.com/security/cve/CVE-2023-38575.html</a>
</li>
<li>
<a href="https://www.suse.com/security/cve/CVE-2023-39368.html">https://www.suse.com/security/cve/CVE-2023-39368.html</a>
</li>
<li>
<a href="https://www.suse.com/security/cve/CVE-2023-43490.html">https://www.suse.com/security/cve/CVE-2023-43490.html</a>
</li>
<li>
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1221323">https://bugzilla.suse.com/show_bug.cgi?id=1221323</a>
</li>
</ul>
</div>