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    <lastBuildDate>Wed, 07 Oct 2026 12:16:40 +0000</lastBuildDate>
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      <title>CVE-2023-1281 — UAF in Linux kernel's tcindex (traffic control index filter) implementation</title>
      <link>https://cve.radiocsirt.org/vuln/cve-2023-1281</link>
      <description>&lt;p&gt;&lt;strong&gt;Affected:&lt;/strong&gt; Linux Kernel&lt;/p&gt;
&lt;p&gt;Use After Free vulnerability in Linux kernel traffic control index filter (tcindex) allows Privilege Escalation. The imperfect hash area can be updated while packets are traversing, which will cause a use-after-free when &amp;#39;tcf_exts_exec()&amp;#39; is called with the destroyed tcf_ext. A local attacker user can use this vulnerability to elevate its privileges to root.&lt;/p&gt;
&lt;p&gt;This issue affects Linux Kernel: from 4.14 before git commit ee059170b1f7e94e55fa6cadee544e176a6e59c2.&lt;/p&gt;</description>
      <content:encoded>&lt;p&gt;&lt;strong&gt;Affected:&lt;/strong&gt; Linux Kernel&lt;/p&gt;
&lt;p&gt;Use After Free vulnerability in Linux kernel traffic control index filter (tcindex) allows Privilege Escalation. The imperfect hash area can be updated while packets are traversing, which will cause a use-after-free when &amp;#39;tcf_exts_exec()&amp;#39; is called with the destroyed tcf_ext. A local attacker user can use this vulnerability to elevate its privileges to root.&lt;/p&gt;
&lt;p&gt;This issue affects Linux Kernel: from 4.14 before git commit ee059170b1f7e94e55fa6cadee544e176a6e59c2.&lt;/p&gt;</content:encoded>
      <guid isPermaLink="false">https://cve.radiocsirt.org/vuln/cve-2023-1281</guid>
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