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    <title>Most recent entries from all</title>
    <link>https://vulnerability.circl.lu</link>
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    <lastBuildDate>Mon, 28 Sep 2026 08:08:30 +0000</lastBuildDate>
    <item>
      <title>CVE-2024-38553 — net: fec: remove .ndo_poll_controller to avoid deadlocks</title>
      <link>https://vulnerability.circl.lu/vuln/cve-2024-38553</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: fec: remove .ndo_poll_controller to avoid deadlocks&lt;/p&gt;
&lt;p&gt;There is a deadlock issue found in sungem driver, please refer to the
commit ac0a230f719b (&amp;#34;eth: sungem: remove .ndo_poll_controller to avoid
deadlocks&amp;#34;). The root cause of the issue is that netpoll is in atomic
context and disable_irq() is called by .ndo_poll_controller interface
of sungem driver, however, disable_irq() might sleep. After analyzing
the implementation of fec_poll_controller(), the fec driver should have
the same issue. Due to the fec driver uses NAPI for TX completions, the
.ndo_poll_controller is unnecessary to be implemented in the fec driver,
so fec_poll_controller() can be safely removed.&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: fec: remove .ndo_poll_controller to avoid deadlocks&lt;/p&gt;
&lt;p&gt;There is a deadlock issue found in sungem driver, please refer to the
commit ac0a230f719b (&amp;#34;eth: sungem: remove .ndo_poll_controller to avoid
deadlocks&amp;#34;). The root cause of the issue is that netpoll is in atomic
context and disable_irq() is called by .ndo_poll_controller interface
of sungem driver, however, disable_irq() might sleep. After analyzing
the implementation of fec_poll_controller(), the fec driver should have
the same issue. Due to the fec driver uses NAPI for TX completions, the
.ndo_poll_controller is unnecessary to be implemented in the fec driver,
so fec_poll_controller() can be safely removed.&lt;/p&gt;</content:encoded>
      <guid isPermaLink="false">https://vulnerability.circl.lu/vuln/cve-2024-38553</guid>
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