{"api_version":"1","generated_at":"2026-09-11T23:53:31+00:00","cve":"CVE-2026-80860","urls":{"html":"https://cve.report/CVE-2026-80860","api":"https://cve.report/api/cve/CVE-2026-80860.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2026-80860","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-80860"},"summary":{"title":"fuse: fix race between interrupt and resend","description":"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(&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()","state":"PUBLISHED","assigner":"Linux","published_at":"2026-09-04 16:18:15","updated_at":"2026-09-11 10:16:52"},"problem_types":[],"metrics":[],"references":[{"url":"https://git.kernel.org/stable/c/ed9c881f3b498383f73c42712b359419da42a7b0","name":"https://git.kernel.org/stable/c/ed9c881f3b498383f73c42712b359419da42a7b0","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/26fbe4bc3ef3ab0200407681cbef182af5d151de","name":"https://git.kernel.org/stable/c/26fbe4bc3ef3ab0200407681cbef182af5d151de","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/0f930904452945f409eeeb0c9afa08bf27185cb1","name":"https://git.kernel.org/stable/c/0f930904452945f409eeeb0c9afa08bf27185cb1","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-80860","name":"CVE Program record","refsource":"CVE.ORG","tags":["canonical"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-80860","name":"NVD vulnerability detail","refsource":"NVD","tags":["canonical","analysis"]}],"affected":[{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 7366e6f4d2b4c7002b13fb01219e83679dad4127 0f930904452945f409eeeb0c9afa08bf27185cb1 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected f8fce75fedf73ac72aa09163deb8f4291fdcaad2 26fbe4bc3ef3ab0200407681cbef182af5d151de git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected f8fce75fedf73ac72aa09163deb8f4291fdcaad2 ed9c881f3b498383f73c42712b359419da42a7b0 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 1d8ecd0cd696a5df0b2f72046a4ccee5d2a8ec2c git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 893479015cb6442fd389d3b553ab3036c9541715 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 6.18.39 6.18.51 semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 6.12.96 6.13 semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 7.1.4 7.2 semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 7.2","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 7.2 semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.18.51 6.18.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 7.2.3 7.2.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 7.3-rc1 * original_commit_for_fix","platforms":[]}],"timeline":[],"solutions":[],"workarounds":[],"exploits":[],"credits":[],"nvd_cpes":[],"vendor_comments":[],"enrichments":{"kev":null,"epss":{"cve_year":"2026","cve_id":"80860","cve":"CVE-2026-80860","epss":"0.001450000","percentile":"0.040720000","score_date":"2026-09-07","updated_at":"2026-09-08 00:05:27"},"legacy_qids":[]},"source_records":{"cve_program":{"containers":{"cna":{"affected":[{"defaultStatus":"unaffected","product":"Linux","programFiles":["fs/fuse/dev.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"lessThan":"0f930904452945f409eeeb0c9afa08bf27185cb1","status":"affected","version":"7366e6f4d2b4c7002b13fb01219e83679dad4127","versionType":"git"},{"lessThan":"26fbe4bc3ef3ab0200407681cbef182af5d151de","status":"affected","version":"f8fce75fedf73ac72aa09163deb8f4291fdcaad2","versionType":"git"},{"lessThan":"ed9c881f3b498383f73c42712b359419da42a7b0","status":"affected","version":"f8fce75fedf73ac72aa09163deb8f4291fdcaad2","versionType":"git"},{"status":"affected","version":"1d8ecd0cd696a5df0b2f72046a4ccee5d2a8ec2c","versionType":"git"},{"status":"affected","version":"893479015cb6442fd389d3b553ab3036c9541715","versionType":"git"},{"lessThan":"6.18.51","status":"affected","version":"6.18.39","versionType":"semver"},{"lessThan":"6.13","status":"affected","version":"6.12.96","versionType":"semver"},{"lessThan":"7.2","status":"affected","version":"7.1.4","versionType":"semver"}]},{"defaultStatus":"affected","product":"Linux","programFiles":["fs/fuse/dev.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"status":"affected","version":"7.2"},{"lessThan":"7.2","status":"unaffected","version":"0","versionType":"semver"},{"lessThanOrEqual":"6.18.*","status":"unaffected","version":"6.18.51","versionType":"semver"},{"lessThanOrEqual":"7.2.*","status":"unaffected","version":"7.2.3","versionType":"semver"},{"lessThanOrEqual":"*","status":"unaffected","version":"7.3-rc1","versionType":"original_commit_for_fix"}]}],"cpeApplicability":[{"nodes":[{"cpeMatch":[{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.18.51","versionStartIncluding":"6.18.39","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"7.2.3","versionStartIncluding":"7.2","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"7.3-rc1","versionStartIncluding":"7.2","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.12.96","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"7.1.4","vulnerable":true}],"negate":false,"operator":"OR"}]}],"descriptions":[{"lang":"en","value":"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(&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()"}],"providerMetadata":{"dateUpdated":"2026-09-11T09:57:16.882Z","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux"},"references":[{"url":"https://git.kernel.org/stable/c/0f930904452945f409eeeb0c9afa08bf27185cb1"},{"url":"https://git.kernel.org/stable/c/26fbe4bc3ef3ab0200407681cbef182af5d151de"},{"url":"https://git.kernel.org/stable/c/ed9c881f3b498383f73c42712b359419da42a7b0"}],"title":"fuse: fix race between interrupt and resend","x_generator":{"engine":"bippy-1.2.0"}}},"cveMetadata":{"assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","assignerShortName":"Linux","cveId":"CVE-2026-80860","datePublished":"2026-09-04T15:55:14.285Z","dateReserved":"2026-08-26T14:34:25.797Z","dateUpdated":"2026-09-11T09:57:16.882Z","state":"PUBLISHED"},"dataType":"CVE_RECORD","dataVersion":"5.2"},"nvd":{"publishedDate":"2026-09-04 16:18:15","lastModifiedDate":"2026-09-11 10:16:52","problem_types":[],"metrics":[],"configurations":[]},"legacy_mitre":{"record":{"CveYear":"2026","CveId":"80860","Ordinal":"1","Title":"fuse: fix race between interrupt and resend","CVE":"CVE-2026-80860","Year":"2026"},"notes":[{"CveYear":"2026","CveId":"80860","Ordinal":"1","NoteData":"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(&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()","Type":"Description","Title":"fuse: fix race between interrupt and resend"}]}}}