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    <lastBuildDate>Tue, 29 Sep 2026 05:39:26 +0000</lastBuildDate>
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      <title>CVE-2024-38566 — bpf: Fix verifier assumptions about socket-&gt;sk</title>
      <link>https://vulnerability.circl.lu/vuln/cve-2024-38566</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;bpf: Fix verifier assumptions about socket-&amp;gt;sk&lt;/p&gt;
&lt;p&gt;The verifier assumes that &amp;#39;sk&amp;#39; field in &amp;#39;struct socket&amp;#39; is valid
and non-NULL when &amp;#39;socket&amp;#39; pointer itself is trusted and non-NULL.
That may not be the case when socket was just created and
passed to LSM socket_accept hook.
Fix this verifier assumption and adjust tests.&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;bpf: Fix verifier assumptions about socket-&amp;gt;sk&lt;/p&gt;
&lt;p&gt;The verifier assumes that &amp;#39;sk&amp;#39; field in &amp;#39;struct socket&amp;#39; is valid
and non-NULL when &amp;#39;socket&amp;#39; pointer itself is trusted and non-NULL.
That may not be the case when socket was just created and
passed to LSM socket_accept hook.
Fix this verifier assumption and adjust tests.&lt;/p&gt;</content:encoded>
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