CVE-2026-90027

In the Linux kernel, the following vulnerability has been resolved: usb: typec: qcom-pmic-typec: disable cc_debounce_dwork on stop cc_debounce_dwork is queued from the set_cc() and start_toggling() callbacks, which run from TCPM'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. The delayed work can then run after devres has freed pmic_typec_port. Use disable_delayed_work_sync() in port_stop() to cancel a pending instance and prevent the TCPM callbacks from queueing another one. This issue was found by an in-house static analysis tool.

• https://git.kernel.org/stable/c/1ab669c2b44e1040ddfab7cd7f717aad580d17aa
• https://git.kernel.org/stable/c/263f7d61a4201cde16849b2d016251806e7418be
• https://git.kernel.org/stable/c/4359b5f95c93a4658e08368fa6fab9d89eb98447
• https://git.kernel.org/stable/c/c614d7c44ca7fb78867ba46b233acdb59287e8c8

Published

Sep 16, 2026

Last Modified

Sep 16, 2026

Status

Received

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