2024-07-14 02:06:08 +00:00

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{
"id": "CVE-2021-47360",
"sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"published": "2024-05-21T15:15:22.210",
"lastModified": "2024-05-21T16:54:26.047",
"vulnStatus": "Awaiting Analysis",
"cveTags": [],
"descriptions": [
{
"lang": "en",
"value": "In the Linux kernel, the following vulnerability has been resolved:\n\nbinder: make sure fd closes complete\n\nDuring BC_FREE_BUFFER processing, the BINDER_TYPE_FDA object\ncleanup may close 1 or more fds. The close operations are\ncompleted using the task work mechanism -- which means the thread\nneeds to return to userspace or the file object may never be\ndereferenced -- which can lead to hung processes.\n\nForce the binder thread back to userspace if an fd is closed during\nBC_FREE_BUFFER handling."
},
{
"lang": "es",
"value": " En el kernel de Linux, se resolvi\u00f3 la siguiente vulnerabilidad: carpeta: aseg\u00farese de que fd se cierre por completo Durante el procesamiento BC_FREE_BUFFER, la limpieza del objeto BINDER_TYPE_FDA puede cerrar 1 o m\u00e1s fds. Las operaciones de cierre se completan utilizando el mecanismo de trabajo de tareas, lo que significa que el hilo debe regresar al espacio de usuario o es posible que nunca se elimine la referencia al objeto de archivo, lo que puede llevar a procesos bloqueados. Fuerce el hilo de la carpeta a regresar al espacio de usuario si se cierra un fd durante el manejo de BC_FREE_BUFFER."
}
],
"metrics": {},
"references": [
{
"url": "https://git.kernel.org/stable/c/5fdb55c1ac9585eb23bb2541d5819224429e103d",
"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
},
{
"url": "https://git.kernel.org/stable/c/aa2c274c279ff365a06a4cba263f04965895166e",
"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
},
{
"url": "https://git.kernel.org/stable/c/b95483d8d94b41fa31a84c1d86710b7907a37621",
"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
},
{
"url": "https://git.kernel.org/stable/c/d5b0473707fa53b03a5db0256ce62b2874bddbc7",
"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
}
]
}