{"schema":"threatline.record/2","record":{"id":"CVE-2026-98587","aliases":[],"summary":"firewire: cdev: fix back-transition for iso_resource_auto client resource","details":"In the Linux kernel, the following vulnerability has been resolved:\n\nfirewire: cdev: fix back-transition for iso_resource_auto client resource\n\nThe todo member of iso_resource_auto structure represents the state of the\nclient resource and normally transitions in the following order:\n\n    ISO_RES_AUTO_ALLOC -> ISO_RES_AUTO_REALLOC -> ISO_RES_AUTO_DEALLOC\n\nHowever, concurrent access from the work item and the file descriptor\nrelease function can cause the state to transition backwards from\nISO_RES_AUTO_DEALLOC to ISO_RES_AUTO_REALLOC.\n\nPrevent the back-transition by checking the current state before\nupdating it in the work item.","categories":["Operating systems"],"product":"Linux","vendor":"Linux","ecosystem":null,"affected_ranges":[{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2026-98587","source_modified_at":"2026-10-19T09:22:12.874Z","fetched_at":"2026-10-23T18:45:31.882637Z","product":"Linux","vendor":"Linux","versions":[{"version":"fcabbf40fae501379b4f3a057febe92d4b0ebdd8","lessThan":"ee1df60a0d0e8ab4b00137135733bdadd6d33dab","status":"affected","versionType":"git"},{"version":"fcabbf40fae501379b4f3a057febe92d4b0ebdd8","lessThan":"c6b51091cafff9ce6c03c1416aa13864d17ab97c","status":"affected","versionType":"git"}],"defaultStatus":"unaffected"},{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2026-98587","source_modified_at":"2026-10-19T09:22:12.874Z","fetched_at":"2026-10-23T18:45:31.882637Z","product":"Linux","vendor":"Linux","versions":[{"version":"7.2","status":"affected"},{"version":"0","lessThan":"7.2","status":"unaffected","versionType":"semver"},{"version":"7.2.9","lessThanOrEqual":"7.2.*","status":"unaffected","versionType":"semver"},{"version":"7.3","lessThanOrEqual":"*","status":"unaffected","versionType":"original_commit_for_fix"}],"defaultStatus":"affected"}],"fixed_versions":[],"cvss":null,"severity":null,"kev":{"listed":false},"epss":{"probability":0.00189,"percentile":0.08114,"score_date":"2026-10-23"},"published_at":"2026-10-18T15:19:00.077Z","modified_at":"2026-10-19T09:22:12.874Z","provenance":[{"source":"CVE List","url":"https://www.cve.org/CVERecord?id=CVE-2026-98587","fetched_at":"2026-10-23T18:45:31.882637Z","source_modified_at":"2026-10-19T09:22:12.874Z"},{"source":"EPSS","url":"https://api.first.org/data/v1/epss?cve=CVE-2026-98587","fetched_at":"2026-10-23T18:42:43.628194Z","source_modified_at":"2026-10-23"}],"sources":["CVE List","EPSS"],"references":[{"source":"CVE List","url":"https://git.kernel.org/stable/c/ee1df60a0d0e8ab4b00137135733bdadd6d33dab"},{"source":"CVE List","url":"https://git.kernel.org/stable/c/c6b51091cafff9ce6c03c1416aa13864d17ab97c"}],"locations":[],"motoko_assessment":{"status":"requires_architecture_review","automatic_remediation":false},"cve_state":"PUBLISHED","classification":{"method":"product-first software-layer rules","rules_version":"2.1","matched_on":"product","confidence":"heuristic","reviewed":false},"change_timestamp":"2026-10-19T09:22:12.874Z","content_hash":"ff72fad9c526b1c88e3c66bdca50007b06f0c499aa0c9dc45205c367e1fc25c0"}}