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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 07:27:29 +0000</lastBuildDate>
    <item>
      <title>CVE-2026-89735 — usb: gadget: midi2: remove default configfs groups on teardown</title>
      <link>https://vulnerability.circl.lu/vuln/cve-2026-89735</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;usb: gadget: midi2: remove default configfs groups on teardown&lt;/p&gt;
&lt;p&gt;f_midi2_alloc_inst() creates default configfs child groups for the
default endpoint and default block using configfs_add_default_group(),
setting their internal refcount to 1.&lt;/p&gt;
&lt;p&gt;However, during function teardown in f_midi2_free_inst() or EP cleanup
in f_midi2_ep_opts_release(), configfs_remove_default_groups() is
never called, therefore never dropping the refcount and leaking struct
f_midi2_ep_opts and f_midi2_block_opts.&lt;/p&gt;
&lt;p&gt;Add the missing configfs_remove_default_groups() in the afformentioned
functions to free the structs properly.&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;usb: gadget: midi2: remove default configfs groups on teardown&lt;/p&gt;
&lt;p&gt;f_midi2_alloc_inst() creates default configfs child groups for the
default endpoint and default block using configfs_add_default_group(),
setting their internal refcount to 1.&lt;/p&gt;
&lt;p&gt;However, during function teardown in f_midi2_free_inst() or EP cleanup
in f_midi2_ep_opts_release(), configfs_remove_default_groups() is
never called, therefore never dropping the refcount and leaking struct
f_midi2_ep_opts and f_midi2_block_opts.&lt;/p&gt;
&lt;p&gt;Add the missing configfs_remove_default_groups() in the afformentioned
functions to free the structs properly.&lt;/p&gt;</content:encoded>
      <guid isPermaLink="false">https://vulnerability.circl.lu/vuln/cve-2026-89735</guid>
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