Instituto Nacional de ciberseguridad. Sección Incibe
Instituto Nacional de Ciberseguridad. Sección INCIBE-CERT

CVE-2026-74437

Gravedad:
Pendiente de análisis
Tipo:
No Disponible / Otro tipo
Fecha de publicación:
15/08/2026
Última modificación:
15/08/2026

Descripción

*** Pendiente de traducción *** In the Linux kernel, the following vulnerability has been resolved:<br /> <br /> media: uvcvideo: Fix deadlock if uvc_status_stop is called from async_ctrl.work<br /> <br /> If a UVC camera has an asynchronous control, uvc_status_stop may be<br /> called from async_ctrl.work:<br /> <br /> uvc_ctrl_status_event_work()<br /> uvc_ctrl_status_event()<br /> uvc_ctrl_clear_handle()<br /> uvc_pm_put()<br /> uvc_status_put()<br /> uvc_status_stop()<br /> cancel_work_sync()<br /> <br /> This will cause a deadlock, since cancel_work_sync will wait for<br /> uvc_ctrl_status_event_work to complete before returning.<br /> <br /> Fix this by returning early from uvc_status_stop if we are currently in<br /> the work function. flush_status now remains false until uvc_status_start<br /> is called again, ensuring that uvc_ctrl_status_event_work won&amp;#39;t resubmit<br /> the URB.

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