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_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()
Affected versions
Linux kernel versions
6.12.96,
6.18.39,
7.1.4,
7.2
and later are affected. Fixed in
6.12.111,
6.18.51,
7.2.3,
7.3
and their respective stable series.
References
4 totalFrequently asked questions
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What is CVE-2026-80860?
CVE-2026-80860 is a unscored severity Linux kernel vulnerability . It affects Linux kernel versions from 6.12.96 onward and has been patched in 6.12.111, 6.18.51, 7.2.3 and others. CVE-2026-80860 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.
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Is there a patch available for CVE-2026-80860?
Yes. CVE-2026-80860 has been patched. Fixed versions include 6.12.111, 6.18.51, 7.2.3 and others. If you are running Linux kernel 6.12.96 or later up to the fix versions, apply the relevant patch for your kernel branch.
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Is CVE-2026-80860 actively exploited?
No. CVE-2026-80860 has not been confirmed as actively exploited. It is not listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.