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    <link>https://vulnerability.circl.lu</link>
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    <lastBuildDate>Tue, 29 Sep 2026 01:37:22 +0000</lastBuildDate>
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      <title>CVE-2025-22047 — x86/microcode/AMD: Fix __apply_microcode_amd()'s return value</title>
      <link>https://vulnerability.circl.lu/vuln/cve-2025-22047</link>
      <description>&lt;p&gt;&lt;strong&gt;Affected:&lt;/strong&gt; Linux&lt;/p&gt;
&lt;p&gt;In the Linux kernel, the following vulnerability has been resolved:&lt;/p&gt;
&lt;p&gt;x86/microcode/AMD: Fix __apply_microcode_amd()&amp;#39;s return value&lt;/p&gt;
&lt;p&gt;When verify_sha256_digest() fails, __apply_microcode_amd() should propagate
the failure by returning false (and not -1 which is promoted to true).&lt;/p&gt;</description>
      <content:encoded>&lt;p&gt;&lt;strong&gt;Affected:&lt;/strong&gt; Linux&lt;/p&gt;
&lt;p&gt;In the Linux kernel, the following vulnerability has been resolved:&lt;/p&gt;
&lt;p&gt;x86/microcode/AMD: Fix __apply_microcode_amd()&amp;#39;s return value&lt;/p&gt;
&lt;p&gt;When verify_sha256_digest() fails, __apply_microcode_amd() should propagate
the failure by returning false (and not -1 which is promoted to true).&lt;/p&gt;</content:encoded>
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