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    <title>Most recent entries from all</title>
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    <lastBuildDate>Thu, 01 Oct 2026 16:31:38 +0000</lastBuildDate>
    <item>
      <title>CVE-2026-74706 — bnge: Fix NULL pointer dereference in aux device release</title>
      <link>https://vulnerability.circl.lu/vuln/cve-2026-74706</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;bnge: Fix NULL pointer dereference in aux device release&lt;/p&gt;
&lt;p&gt;If allocation of auxr_dev fails during auxiliary device setup, the error
path calls auxiliary_device_uninit(), which eventually invokes
bnge_aux_dev_release().&lt;/p&gt;
&lt;p&gt;The release callback unconditionally dereferences aux_priv-&amp;gt;auxr_dev-&amp;gt;pdev
to retrieve the parent bnge_dev. Since auxr_dev has not yet been allocated
on this failure path, the dereference results in a NULL pointer exception&lt;/p&gt;
&lt;p&gt;Retrieve the parent bnge_dev from the auxiliary device&amp;#39;s parent instead of
auxr_dev, and free auxr_dev only when it was successfully allocated. This
allows the release callback to correctly clean up partially initialized
auxiliary devices.&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;bnge: Fix NULL pointer dereference in aux device release&lt;/p&gt;
&lt;p&gt;If allocation of auxr_dev fails during auxiliary device setup, the error
path calls auxiliary_device_uninit(), which eventually invokes
bnge_aux_dev_release().&lt;/p&gt;
&lt;p&gt;The release callback unconditionally dereferences aux_priv-&amp;gt;auxr_dev-&amp;gt;pdev
to retrieve the parent bnge_dev. Since auxr_dev has not yet been allocated
on this failure path, the dereference results in a NULL pointer exception&lt;/p&gt;
&lt;p&gt;Retrieve the parent bnge_dev from the auxiliary device&amp;#39;s parent instead of
auxr_dev, and free auxr_dev only when it was successfully allocated. This
allows the release callback to correctly clean up partially initialized
auxiliary devices.&lt;/p&gt;</content:encoded>
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