cve/2024/CVE-2024-49855.md
2025-09-29 21:09:30 +02:00

1.3 KiB

CVE-2024-49855

Description

In the Linux kernel, the following vulnerability has been resolved:nbd: fix race between timeout and normal completionIf request timetout is handled by nbd_requeue_cmd(), normal completionhas to be stopped for avoiding to complete this requeued request, otheruse-after-free can be triggered.Fix the race by clearing NBD_CMD_INFLIGHT in nbd_requeue_cmd(), meantimemake sure that cmd->lock is grabbed for clearing the flag and therequeue.

POC

Reference

No PoCs from references.

Github