<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-2026:2981-1</td>
</tr>
<tr>
<th>Release Date:</th>
<td>2026-07-14T13:13:41Z</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=1265189">bsc#1265189</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-2025-35979.html">CVE-2025-35979</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-2025-35979</span>
<span class="cvss-source">
(
SUSE
):
</span>
<span class="cvss-score">6.8</span>
<span class="cvss-vector">CVSS:4.0/AV:L/AC:H/AT:P/PR:L/UI:N/VC:H/VI:N/VA:N/SC:H/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X</span>
</li>
<li class="list-group-item">
<span class="cvss-reference">CVE-2025-35979</span>
<span class="cvss-source">
(
SUSE
):
</span>
<span class="cvss-score">4.7</span>
<span class="cvss-vector">CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N</span>
</li>
<li class="list-group-item">
<span class="cvss-reference">CVE-2025-35979</span>
<span class="cvss-source">
(
NVD
):
</span>
<span class="cvss-score">6.8</span>
<span class="cvss-vector">CVSS:4.0/AV:L/AC:H/AT:P/PR:L/UI:N/VC:H/VI:N/VA:N/SC:H/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X</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 one vulnerability can now be installed.</p>
<h2>Description:</h2>
<p>This update for ucode-intel fixes the following issue:</p>
<ul>
<li>CVE-2025-35979: data leaks fixed in 20260512 release (bsc#1265189).</li>
</ul>
<p>Changes for ucode-intel:</p>
<ul>
<li>Intel CPU Microcode was updated to the 20260512 release (bsc#1265189).</li>
</ul>
<p><strong>New Platforms</strong></p>
<table>
<thead>
<tr>
<th style="text-align: left;">Processor</th>
<th style="text-align: left;">Stepping</th>
<th style="text-align: left;">F-M-S/PI</th>
<th style="text-align: left;">Old Ver</th>
<th style="text-align: left;">New Ver</th>
<th style="text-align: left;">Products</th>
</tr>
</thead>
<tbody>
<tr>
<td style="text-align: left;">PTL 404</td>
<td style="text-align: left;">A1</td>
<td style="text-align: left;">06-cc-03/90</td>
<td style="text-align: left;"></td>
<td style="text-align: left;">0000011b</td>
<td style="text-align: left;">Intel Core Ultra Processor (Series 3)</td>
</tr>
<tr>
<td style="text-align: left;">PTL-H 484/12Xe</td>
<td style="text-align: left;">A0/B0</td>
<td style="text-align: left;">06-cc-02/90</td>
<td style="text-align: left;"></td>
<td style="text-align: left;">0000011b</td>
<td style="text-align: left;">Intel Core Ultra Processor (Series 3)</td>
</tr>
</tbody>
</table>
<p><strong>Updated Platforms</strong></p>
<table>
<thead>
<tr>
<th style="text-align: left;">Processor</th>
<th style="text-align: left;">Stepping</th>
<th style="text-align: left;">F-M-S/PI</th>
<th style="text-align: left;">Old Ver</th>
<th style="text-align: left;">New Ver</th>
<th style="text-align: left;">Products</th>
</tr>
</thead>
<tbody>
<tr>
<td style="text-align: left;">ARL-H</td>
<td style="text-align: left;">A1</td>
<td style="text-align: left;">06-c5-02/82</td>
<td style="text-align: left;">0000011b</td>
<td style="text-align: left;">00000121</td>
<td style="text-align: left;">Core Ultra Processor (Series 2)</td>
</tr>
<tr>
<td style="text-align: left;">ARL-S/HX (8P)</td>
<td style="text-align: left;">B0</td>
<td style="text-align: left;">06-c6-02/82</td>
<td style="text-align: left;">0000011b</td>
<td style="text-align: left;">00000121</td>
<td style="text-align: left;">Core Ultra Processor (Series 2)</td>
</tr>
<tr>
<td style="text-align: left;">EMR-SP</td>
<td style="text-align: left;">A1</td>
<td style="text-align: left;">06-cf-02/87</td>
<td style="text-align: left;">210002d3</td>
<td style="text-align: left;">210002e0</td>
<td style="text-align: left;">Xeon Scalable Gen5</td>
</tr>
<tr>
<td style="text-align: left;">GNR-AP/SP</td>
<td style="text-align: left;">Bx/Hx/Lx</td>
<td style="text-align: left;">06-ad-01/95</td>
<td style="text-align: left;">01000405</td>
<td style="text-align: left;">01000423</td>
<td style="text-align: left;">Xeon 6900/6700/6500 Series Processors with P-Cores</td>
</tr>
<tr>
<td style="text-align: left;">GNR-D</td>
<td style="text-align: left;">B0/B1</td>
<td style="text-align: left;">06-ae-01/97</td>
<td style="text-align: left;">01000303</td>
<td style="text-align: left;">01000307</td>
<td style="text-align: left;">Xeon 6700P-B/6500P-B Series SoC with P-Cores</td>
</tr>
<tr>
<td style="text-align: left;">GNR-SP R1S</td>
<td style="text-align: left;">Bx/Hx/Lx</td>
<td style="text-align: left;">06-ad-01/20</td>
<td style="text-align: left;">0a000133</td>
<td style="text-align: left;">0a000142</td>
<td style="text-align: left;">Xeon 6700/6500-Series Processors with P-Cores</td>
</tr>
<tr>
<td style="text-align: left;">LNL</td>
<td style="text-align: left;">B0</td>
<td style="text-align: left;">06-bd-01/80</td>
<td style="text-align: left;">00000125</td>
<td style="text-align: left;">00000126</td>
<td style="text-align: left;">Core Ultra 200 V Series Processor</td>
</tr>
<tr>
<td style="text-align: left;">SPR-SP</td>
<td style="text-align: left;">E4/S2</td>
<td style="text-align: left;">06-8f-07/87</td>
<td style="text-align: left;">2b000661</td>
<td style="text-align: left;">2b000670</td>
<td style="text-align: left;">Xeon Scalable Gen4</td>
</tr>
<tr>
<td style="text-align: left;">SPR-SP</td>
<td style="text-align: left;">E5/S3</td>
<td style="text-align: left;">06-8f-08/87</td>
<td style="text-align: left;">2b000661</td>
<td style="text-align: left;">2b000670</td>
<td style="text-align: left;">Xeon Scalable Gen4</td>
</tr>
<tr>
<td style="text-align: left;">SRF-AP/SP</td>
<td style="text-align: left;">C0</td>
<td style="text-align: left;">06-af-03/01</td>
<td style="text-align: left;">03000382</td>
<td style="text-align: left;">030003a3</td>
<td style="text-align: left;">Xeon 6900/6700-Series Processors with E-Cores</td>
</tr>
</tbody>
</table>
<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 Server 12 SP5 LTSS
<br/>
<code>zypper in -t patch SUSE-SLE-SERVER-12-SP5-LTSS-2026-2981=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-2026-2981=1</code>
</li>
</ul>
<h2>Package List:</h2>
<ul>
<li>
SUSE Linux Enterprise Server 12 SP5 LTSS Extended Security (x86_64)
<ul>
<li>ucode-intel-debugsource-20260512-161.1</li>
<li>ucode-intel-debuginfo-20260512-161.1</li>
<li>ucode-intel-20260512-161.1</li>
</ul>
</li>
<li>
SUSE Linux Enterprise Server 12 SP5 LTSS (x86_64)
<ul>
<li>ucode-intel-debugsource-20260512-161.1</li>
<li>ucode-intel-debuginfo-20260512-161.1</li>
<li>ucode-intel-20260512-161.1</li>
</ul>
</li>
</ul>
<h2>References:</h2>
<ul>
<li>
<a href="https://www.suse.com/security/cve/CVE-2025-35979.html">https://www.suse.com/security/cve/CVE-2025-35979.html</a>
</li>
<li>
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1265189">https://bugzilla.suse.com/show_bug.cgi?id=1265189</a>
</li>
</ul>
</div>