UNKNOWN NVD
CVE-2026-80860
In the Linux kernel, the following vulnerability has been resolved: fuse: fix race between interrupt and resend After commit f8fce75fedf7 ("fuse: clear intr_e
In the Linux kernel, the following vulnerability has been resolved:
fuse: fix race between interrupt and resend
After commit f8fce75fedf7 ("fuse: clear intr_entry in fuse_resend and
fuse_remove_pending_req") the WARN_ON(!list_empty(&req->intr_entry)) in
fuse_request_free() still triggers due to the following race:
In request_wait_answer()
if (test_bit(FR_SENT, &req->flags)) -> returns true
In fuse_chan_resend()
clear_bit(FR_SENT, &req->flags)
In request_wait_answer()
queue_interrupt(req)
Fix by:
- move clearing FR_SENT inside fpq->lock
- move setting FR_PENDING inside fiq->lock
- recheck FR_SENT after acquiring fiq->lock in fuse_dev_queue_interrupt()
References
- https://git.kernel.org/stable/c/26fbe4bc3ef3ab0200407681cbef182af5d151de
- https://git.kernel.org/stable/c/ed9c881f3b498383f73c42712b359419da42a7b0
This unknown severity vulnerability was published on 2026-09-04 via NVD.
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