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    <title>Most recent entries from all</title>
    <link>https://vulnerability.circl.lu</link>
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    <lastBuildDate>Wed, 30 Sep 2026 03:07:22 +0000</lastBuildDate>
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      <title>CVE-2023-52475 — Input: powermate - fix use-after-free in powermate_config_complete</title>
      <link>https://vulnerability.circl.lu/vuln/cve-2023-52475</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;Input: powermate - fix use-after-free in powermate_config_complete&lt;/p&gt;
&lt;p&gt;syzbot has found a use-after-free bug [1] in the powermate driver. This
happens when the device is disconnected, which leads to a memory free from
the powermate_device struct.  When an asynchronous control message
completes after the kfree and its callback is invoked, the lock does not
exist anymore and hence the bug.&lt;/p&gt;
&lt;p&gt;Use usb_kill_urb() on pm-&amp;gt;config to cancel any in-progress requests upon
device disconnection.&lt;/p&gt;
&lt;p&gt;[1] https://syzkaller.appspot.com/bug?extid=0434ac83f907a1dbdd1e&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;Input: powermate - fix use-after-free in powermate_config_complete&lt;/p&gt;
&lt;p&gt;syzbot has found a use-after-free bug [1] in the powermate driver. This
happens when the device is disconnected, which leads to a memory free from
the powermate_device struct.  When an asynchronous control message
completes after the kfree and its callback is invoked, the lock does not
exist anymore and hence the bug.&lt;/p&gt;
&lt;p&gt;Use usb_kill_urb() on pm-&amp;gt;config to cancel any in-progress requests upon
device disconnection.&lt;/p&gt;
&lt;p&gt;[1] https://syzkaller.appspot.com/bug?extid=0434ac83f907a1dbdd1e&lt;/p&gt;</content:encoded>
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