Status: UPDATED | Advisory ID: CVE-2026-80860
| CVE | CVE-2026-80860 |
| Affected products | Linux Linux |
| Vendor | Product | Affected Versions | Patch Status |
|---|---|---|---|
| Linux | Linux |
| Subsystems | General OT |
| Sectors | Multiple |
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()
Monitor Linux's web page for any future patch releases.
| Source | Reference |
|---|---|
| NVD | https://nvd.nist.gov/vuln/detail/CVE-2026-80860 |
| CVE | https://www.cve.org/CVERecord?id=CVE-2026-80860 |