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    <title>Most recent entries from all</title>
    <link>https://cve.radiocsirt.org</link>
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    <lastBuildDate>Sat, 10 Oct 2026 01:45:52 +0000</lastBuildDate>
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      <title>CVE-2026-80757 — selinux: reject a class permission count below its inherited common</title>
      <link>https://cve.radiocsirt.org/vuln/cve-2026-80757</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;selinux: reject a class permission count below its inherited common&lt;/p&gt;
&lt;p&gt;security_get_permissions() maps an inherited common&amp;#39;s permissions into
an array sized by the class&amp;#39;s own permissions.nprim, but class_read()
takes that nprim verbatim from the policy image and never checks that it
covers the common.  A class that inherits a common of N permissions while
declaring a smaller nprim is accepted, and on load the common&amp;#39;s
permissions are written past the class-sized array -- an out-of-bounds
heap write.&lt;/p&gt;
&lt;p&gt;Reject a class whose permission count is below its inherited common&amp;#39;s.
Well-formed policies, where the class count already includes the
inherited permissions, are unaffected.&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;selinux: reject a class permission count below its inherited common&lt;/p&gt;
&lt;p&gt;security_get_permissions() maps an inherited common&amp;#39;s permissions into
an array sized by the class&amp;#39;s own permissions.nprim, but class_read()
takes that nprim verbatim from the policy image and never checks that it
covers the common.  A class that inherits a common of N permissions while
declaring a smaller nprim is accepted, and on load the common&amp;#39;s
permissions are written past the class-sized array -- an out-of-bounds
heap write.&lt;/p&gt;
&lt;p&gt;Reject a class whose permission count is below its inherited common&amp;#39;s.
Well-formed policies, where the class count already includes the
inherited permissions, are unaffected.&lt;/p&gt;</content:encoded>
      <guid isPermaLink="false">https://cve.radiocsirt.org/vuln/cve-2026-80757</guid>
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