CVE-2026-80860fuse: fix race between interrupt and resend
Updated under an hour ago ()
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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()
- CVSS
- Not yet scored
- Weakness (CWE)
- Not given
- Known exploited
- Not in CISA's KEV catalog
- EPSS (exploitation in the next 30 days)
- Not loaded for this CVE
- Assigned by
- Linux
- NVD analysis
- Received
- Record last updated
- Sep 21, 2026
- First seen by InfoSec Signals
- Oct 9, 2026
Affected products
Linux Linux linux:linux (from the name) | from 1d8ecd0cd696a5df0b2f72046a4ccee5d2a8ec2c before 67ddf061790e833d7e34f9dc901866c9fb25d72d; 7366e6f4d2b4c7002b13fb01219e83679dad4127 builds before 0f930904452945f409eeeb0c9afa08bf27185cb1; from f8fce75fedf73ac72aa09163deb8f4291fdcaad2 before 26fbe4bc3ef3ab0200407681cbef182af5d151de; from f8fce75fedf73ac72aa09163deb8f4291fdcaad2 before ed9c881f3b498383f73c42712b359419da42a7b0; 893479015cb6442fd389d3b553ab3036c9541715; from 6.12.96 before 6.12.111; from 6.18.39 before 6.18.51; from 7.1.4 before 7.2 | CNA record |
References
- https://git.kernel.org/stable/c/67ddf061790e833d7e34f9dc901866c9fb25d72d
- https://git.kernel.org/stable/c/0f930904452945f409eeeb0c9afa08bf27185cb1
- https://git.kernel.org/stable/c/26fbe4bc3ef3ab0200407681cbef182af5d151de
- https://git.kernel.org/stable/c/ed9c881f3b498383f73c42712b359419da42a7b0
The CVE record on cve.org NVD's entry
The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.