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    <title>Most recent entries from all</title>
    <link>https://vulnerability.circl.lu</link>
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    <lastBuildDate>Tue, 29 Sep 2026 06:50:40 +0000</lastBuildDate>
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      <title>CVE-2026-89892 — media: em28xx: defer audio-only extension registration</title>
      <link>https://vulnerability.circl.lu/vuln/cve-2026-89892</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: em28xx: defer audio-only extension registration&lt;/p&gt;
&lt;p&gt;The audio-only path registers extensions while probing the primary device.
For a dual-TS board, this happens before dev_next is created. The duplicate
device inherits is_audio_only and is then independently inserted into
em28xx_devlist.&lt;/p&gt;
&lt;p&gt;The list is intended to contain only primary devices: extension operations
reach the secondary device through dev_next. The independently linked
secondary can be freed during disconnect while its list node remains
reachable, resulting in a use-after-free.&lt;/p&gt;
&lt;p&gt;Defer audio-only extension registration to the module-request work item. It
runs only after probing has completed construction of the optional
secondary device, so only the primary is registered and extension callbacks
reach the secondary through dev_next.&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: em28xx: defer audio-only extension registration&lt;/p&gt;
&lt;p&gt;The audio-only path registers extensions while probing the primary device.
For a dual-TS board, this happens before dev_next is created. The duplicate
device inherits is_audio_only and is then independently inserted into
em28xx_devlist.&lt;/p&gt;
&lt;p&gt;The list is intended to contain only primary devices: extension operations
reach the secondary device through dev_next. The independently linked
secondary can be freed during disconnect while its list node remains
reachable, resulting in a use-after-free.&lt;/p&gt;
&lt;p&gt;Defer audio-only extension registration to the module-request work item. It
runs only after probing has completed construction of the optional
secondary device, so only the primary is registered and extension callbacks
reach the secondary through dev_next.&lt;/p&gt;</content:encoded>
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