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    <title>Most recent entries from all</title>
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    <lastBuildDate>Thu, 01 Oct 2026 13:55:20 +0000</lastBuildDate>
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      <title>CVE-2024-43864 — net/mlx5e: Fix CT entry update leaks of modify header context</title>
      <link>https://vulnerability.circl.lu/vuln/cve-2024-43864</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;net/mlx5e: Fix CT entry update leaks of modify header context&lt;/p&gt;
&lt;p&gt;The cited commit allocates a new modify header to replace the old
one when updating CT entry. But if failed to allocate a new one, eg.
exceed the max number firmware can support, modify header will be
an error pointer that will trigger a panic when deallocating it. And
the old modify header point is copied to old attr. When the old
attr is freed, the old modify header is lost.&lt;/p&gt;
&lt;p&gt;Fix it by restoring the old attr to attr when failed to allocate a
new modify header context. So when the CT entry is freed, the right
modify header context will be freed. And the panic of accessing
error pointer is also fixed.&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;net/mlx5e: Fix CT entry update leaks of modify header context&lt;/p&gt;
&lt;p&gt;The cited commit allocates a new modify header to replace the old
one when updating CT entry. But if failed to allocate a new one, eg.
exceed the max number firmware can support, modify header will be
an error pointer that will trigger a panic when deallocating it. And
the old modify header point is copied to old attr. When the old
attr is freed, the old modify header is lost.&lt;/p&gt;
&lt;p&gt;Fix it by restoring the old attr to attr when failed to allocate a
new modify header context. So when the CT entry is freed, the right
modify header context will be freed. And the panic of accessing
error pointer is also fixed.&lt;/p&gt;</content:encoded>
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