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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 03:55:50 +0000</lastBuildDate>
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      <title>CVE-2026-90027 — usb: typec: qcom-pmic-typec: disable cc_debounce_dwork on stop</title>
      <link>https://vulnerability.circl.lu/vuln/cve-2026-90027</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: typec: qcom-pmic-typec: disable cc_debounce_dwork on stop&lt;/p&gt;
&lt;p&gt;cc_debounce_dwork is queued from the set_cc() and start_toggling()
callbacks, which run from TCPM&amp;#39;s kthread worker.  port_stop() returns
before tcpm_unregister_port() destroys that worker.  Flushing the worker
during unregister may therefore run a callback which queues the delayed
work after port_stop() has returned.&lt;/p&gt;
&lt;p&gt;The delayed work can then run after devres has freed pmic_typec_port.&lt;/p&gt;
&lt;p&gt;Use disable_delayed_work_sync() in port_stop() to cancel a pending
instance and prevent the TCPM callbacks from queueing another one.&lt;/p&gt;
&lt;p&gt;This issue was found by an in-house static analysis tool.&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: typec: qcom-pmic-typec: disable cc_debounce_dwork on stop&lt;/p&gt;
&lt;p&gt;cc_debounce_dwork is queued from the set_cc() and start_toggling()
callbacks, which run from TCPM&amp;#39;s kthread worker.  port_stop() returns
before tcpm_unregister_port() destroys that worker.  Flushing the worker
during unregister may therefore run a callback which queues the delayed
work after port_stop() has returned.&lt;/p&gt;
&lt;p&gt;The delayed work can then run after devres has freed pmic_typec_port.&lt;/p&gt;
&lt;p&gt;Use disable_delayed_work_sync() in port_stop() to cancel a pending
instance and prevent the TCPM callbacks from queueing another one.&lt;/p&gt;
&lt;p&gt;This issue was found by an in-house static analysis tool.&lt;/p&gt;</content:encoded>
      <guid isPermaLink="false">https://vulnerability.circl.lu/vuln/cve-2026-90027</guid>
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