CVE-2025-38369
Full vulnerability record from the local CVENow database.
Description
In the Linux kernel, the following vulnerability has been resolved: dmaengine: idxd: Check availability of workqueue allocated by idxd wq driver before using Running IDXD workloads in a container with the /dev directory mounted can trigger a call trace or even a kernel panic when the parent process of the container is terminated. This issue occurs because, under certain configurations, Docker does not properly propagate the mount replica back to the original mount point. In this case, when the user driver detaches, the WQ is destroyed but it still calls destroy_workqueue() attempting to completes all pending work. It's necessary to check wq->wq and skip the drain if it no longer exists.
Severity
HIGH
CVSS score
7.8
(v3.1)
Vulnerability status
Analyzed
Source identifier
416baaa9-dc9f-4396-8d5f-8c081fb06d67
Published
2025-07-25 13:15:25.823000
Last modified
2026-11-05 21:18:29.350000
View original CVE JSON
{
"id": "CVE-2025-38369",
"sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"published": "2025-07-25T13:15:25.823",
"lastModified": "2026-11-05T21:18:29.350",
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"value": "In the Linux kernel, the following vulnerability has been resolved:\n\ndmaengine: idxd: Check availability of workqueue allocated by idxd wq driver before using\n\nRunning IDXD workloads in a container with the /dev directory mounted can\ntrigger a call trace or even a kernel panic when the parent process of the\ncontainer is terminated.\n\nThis issue occurs because, under certain configurations, Docker does not\nproperly propagate the mount replica back to the original mount point.\n\nIn this case, when the user driver detaches, the WQ is destroyed but it\nstill calls destroy_workqueue() attempting to completes all pending work.\nIt's necessary to check wq->wq and skip the drain if it no longer exists."
},
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"value": "En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: dmaengine: idxd: Comprobar la disponibilidad de la cola de trabajo asignada por el controlador wq de idxd antes de usarla. Ejecutar cargas de trabajo IDXD en un contenedor con el directorio /dev montado puede provocar un seguimiento de llamadas o incluso un pánico del kernel cuando finaliza el proceso principal del contenedor. Este problema se produce porque, en ciertas configuraciones, Docker no propaga correctamente la réplica de montaje al punto de montaje original. En este caso, al desconectarse el controlador de usuario, la cola de trabajo se destruye, pero sigue llamando a destroy_workqueue() para intentar completar todo el trabajo pendiente. Es necesario comprobar wq->wq y omitir el vaciado si ya no existe."
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