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    <lastBuildDate>Tue, 29 Sep 2026 17:16:49 +0000</lastBuildDate>
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      <title>CVE-2025-39712 — media: mt9m114: Fix deadlock in get_frame_interval/set_frame_interval</title>
      <link>https://vulnerability.circl.lu/vuln/cve-2025-39712</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;media: mt9m114: Fix deadlock in get_frame_interval/set_frame_interval&lt;/p&gt;
&lt;p&gt;Getting / Setting the frame interval using the V4L2 subdev pad ops
get_frame_interval/set_frame_interval causes a deadlock, as the
subdev state is locked in the [1] but also in the driver itself.&lt;/p&gt;
&lt;p&gt;In [2] it&amp;#39;s described that the caller is responsible to acquire and
release the lock in this case. Therefore, acquiring the lock in the
driver is wrong.&lt;/p&gt;
&lt;p&gt;Remove the lock acquisitions/releases from mt9m114_ifp_get_frame_interval()
and mt9m114_ifp_set_frame_interval().&lt;/p&gt;
&lt;p&gt;[1] drivers/media/v4l2-core/v4l2-subdev.c - line 1129
[2] Documentation/driver-api/media/v4l2-subdev.rst&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;media: mt9m114: Fix deadlock in get_frame_interval/set_frame_interval&lt;/p&gt;
&lt;p&gt;Getting / Setting the frame interval using the V4L2 subdev pad ops
get_frame_interval/set_frame_interval causes a deadlock, as the
subdev state is locked in the [1] but also in the driver itself.&lt;/p&gt;
&lt;p&gt;In [2] it&amp;#39;s described that the caller is responsible to acquire and
release the lock in this case. Therefore, acquiring the lock in the
driver is wrong.&lt;/p&gt;
&lt;p&gt;Remove the lock acquisitions/releases from mt9m114_ifp_get_frame_interval()
and mt9m114_ifp_set_frame_interval().&lt;/p&gt;
&lt;p&gt;[1] drivers/media/v4l2-core/v4l2-subdev.c - line 1129
[2] Documentation/driver-api/media/v4l2-subdev.rst&lt;/p&gt;</content:encoded>
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