{"id":"CVE-2026-80860","title":"In the Linux kernel, the following vulnerability has been resolved:\n\nfuse: fix race between interrupt and resend\n\nAfter commit f8fce75fedf7 (\"fuse: clear intr_entry in fuse_resend and\nfuse_remove_pending_req\") the WARN_ON(!list_empty(&re…","summary":"In the Linux kernel, the following vulnerability has been resolved:\n\nfuse: fix race between interrupt and resend\n\nAfter commit f8fce75fedf7 (\"fuse: clear intr_entry in fuse_resend and\nfuse_remove_pending_req\") the WARN_ON(!list_empty(&re…","severity":"none","vendor":"Linux","product":"Linux","affected":["Linux >= 1d8ecd0cd696a5df0b2f72046a4ccee5d2a8ec2c < 67ddf061790e833d7e34f9dc901866c9fb25d72d","Linux >= 7366e6f4d2b4c7002b13fb01219e83679dad4127 < 0f930904452945f409eeeb0c9afa08bf27185cb1","Linux >= f8fce75fedf73ac72aa09163deb8f4291fdcaad2 < 26fbe4bc3ef3ab0200407681cbef182af5d151de","Linux >= f8fce75fedf73ac72aa09163deb8f4291fdcaad2 < ed9c881f3b498383f73c42712b359419da42a7b0","Linux 893479015cb6442fd389d3b553ab3036c9541715","Linux >= 6.12.96 < 6.12.111","Linux >= 6.18.39 < 6.18.51","Linux >= 7.1.4 < 7.2","Linux 7.2"],"published":"2026-09-04","updated":"2026-09-21","sourceUpdated":"2026-09-21T14:17:21.050","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-80860","references":[{"url":"https://git.kernel.org/stable/c/0f930904452945f409eeeb0c9afa08bf27185cb1","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/26fbe4bc3ef3ab0200407681cbef182af5d151de","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/67ddf061790e833d7e34f9dc901866c9fb25d72d","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/ed9c881f3b498383f73c42712b359419da42a7b0","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"}],"tags":["nvd","cve.org"],"epss":0.00156,"epssPercentile":0.05213,"ingestedAt":"2026-09-11T16:45:47.924Z","slug":"CVE-2026-80860","body":"## Overview\n\nIn the Linux kernel, the following vulnerability has been resolved:\n\nfuse: fix race between interrupt and resend\n\nAfter commit f8fce75fedf7 (\"fuse: clear intr_entry in fuse_resend and\nfuse_remove_pending_req\") the WARN_ON(!list_empty(&req->intr_entry)) in\nfuse_request_free() still triggers due to the following race:\n\nIn request_wait_answer()\n  if (test_bit(FR_SENT, &req->flags)) -> returns true\n\nIn fuse_chan_resend()\n  clear_bit(FR_SENT, &req->flags)\n\nIn request_wait_answer()\n  queue_interrupt(req)\n\nFix by:\n\n - move clearing FR_SENT inside fpq->lock\n\n - move setting FR_PENDING inside fiq->lock\n\n - recheck FR_SENT after acquiring fiq->lock in fuse_dev_queue_interrupt()\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"sunlit","depthScore":3,"depthScoreParts":{"impact":2.8,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[]}