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    <lastBuildDate>Wed, 07 Oct 2026 02:17:27 +0000</lastBuildDate>
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      <title>CVE-2021-46991 — i40e: Fix use-after-free in i40e_client_subtask()</title>
      <link>https://cve.radiocsirt.org/vuln/cve-2021-46991</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;i40e: Fix use-after-free in i40e_client_subtask()&lt;/p&gt;
&lt;p&gt;Currently the call to i40e_client_del_instance frees the object
pf-&amp;gt;cinst, however pf-&amp;gt;cinst-&amp;gt;lan_info is being accessed after
the free. Fix this by adding the missing return.&lt;/p&gt;
&lt;p&gt;Addresses-Coverity: (&amp;#34;Read from pointer after free&amp;#34;)&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;i40e: Fix use-after-free in i40e_client_subtask()&lt;/p&gt;
&lt;p&gt;Currently the call to i40e_client_del_instance frees the object
pf-&amp;gt;cinst, however pf-&amp;gt;cinst-&amp;gt;lan_info is being accessed after
the free. Fix this by adding the missing return.&lt;/p&gt;
&lt;p&gt;Addresses-Coverity: (&amp;#34;Read from pointer after free&amp;#34;)&lt;/p&gt;</content:encoded>
      <guid isPermaLink="false">https://cve.radiocsirt.org/vuln/cve-2021-46991</guid>
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