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    <title>Most recent entries from all</title>
    <link>https://vulnerability.circl.lu</link>
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    <lastBuildDate>Tue, 29 Sep 2026 12:08:03 +0000</lastBuildDate>
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      <title>CVE-2023-54035 — netfilter: nf_tables: fix underflow in chain reference counter</title>
      <link>https://vulnerability.circl.lu/vuln/cve-2023-54035</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;netfilter: nf_tables: fix underflow in chain reference counter&lt;/p&gt;
&lt;p&gt;Set element addition error path decrements reference counter on chains
twice: once on element release and again via nft_data_release().&lt;/p&gt;
&lt;p&gt;Then, d6b478666ffa (&amp;#34;netfilter: nf_tables: fix underflow in object
reference counter&amp;#34;) incorrectly fixed this by removing the stateful
object reference count decrement.&lt;/p&gt;
&lt;p&gt;Restore the stateful object decrement as in b91d90368837 (&amp;#34;netfilter:
nf_tables: fix leaking object reference count&amp;#34;) and let
nft_data_release() decrement the chain reference counter, so this is
done only once.&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;netfilter: nf_tables: fix underflow in chain reference counter&lt;/p&gt;
&lt;p&gt;Set element addition error path decrements reference counter on chains
twice: once on element release and again via nft_data_release().&lt;/p&gt;
&lt;p&gt;Then, d6b478666ffa (&amp;#34;netfilter: nf_tables: fix underflow in object
reference counter&amp;#34;) incorrectly fixed this by removing the stateful
object reference count decrement.&lt;/p&gt;
&lt;p&gt;Restore the stateful object decrement as in b91d90368837 (&amp;#34;netfilter:
nf_tables: fix leaking object reference count&amp;#34;) and let
nft_data_release() decrement the chain reference counter, so this is
done only once.&lt;/p&gt;</content:encoded>
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