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    <title>Most recent entries from all</title>
    <link>https://vulnerability.circl.lu</link>
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    <lastBuildDate>Fri, 02 Oct 2026 12:29:48 +0000</lastBuildDate>
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      <title>CVE-2026-46056 — Bluetooth: hci_event: fix potential UAF in SSP passkey handlers</title>
      <link>https://vulnerability.circl.lu/vuln/cve-2026-46056</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;Bluetooth: hci_event: fix potential UAF in SSP passkey handlers&lt;/p&gt;
&lt;p&gt;hci_conn lookup and field access must be covered by hdev lock in
hci_user_passkey_notify_evt() and hci_keypress_notify_evt(), otherwise
the connection can be freed concurrently.&lt;/p&gt;
&lt;p&gt;Extend the hci_dev_lock critical section to cover all conn usage in both
handlers.&lt;/p&gt;
&lt;p&gt;Keep the existing keypress notification behavior unchanged by routing
the early exits through a common unlock path.&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;Bluetooth: hci_event: fix potential UAF in SSP passkey handlers&lt;/p&gt;
&lt;p&gt;hci_conn lookup and field access must be covered by hdev lock in
hci_user_passkey_notify_evt() and hci_keypress_notify_evt(), otherwise
the connection can be freed concurrently.&lt;/p&gt;
&lt;p&gt;Extend the hci_dev_lock critical section to cover all conn usage in both
handlers.&lt;/p&gt;
&lt;p&gt;Keep the existing keypress notification behavior unchanged by routing
the early exits through a common unlock path.&lt;/p&gt;</content:encoded>
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