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      <title>CVE-2025-39858 — eth: mlx4: Fix IS_ERR() vs NULL check bug in mlx4_en_create_rx_ring</title>
      <link>https://vulnerability.circl.lu/vuln/cve-2025-39858</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;eth: mlx4: Fix IS_ERR() vs NULL check bug in mlx4_en_create_rx_ring&lt;/p&gt;
&lt;p&gt;Replace NULL check with IS_ERR() check after calling page_pool_create()
since this function returns error pointers (ERR_PTR).
Using NULL check could lead to invalid pointer dereference.&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;eth: mlx4: Fix IS_ERR() vs NULL check bug in mlx4_en_create_rx_ring&lt;/p&gt;
&lt;p&gt;Replace NULL check with IS_ERR() check after calling page_pool_create()
since this function returns error pointers (ERR_PTR).
Using NULL check could lead to invalid pointer dereference.&lt;/p&gt;</content:encoded>
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