{"schema":"threatline.record/2","record":{"id":"CVE-2026-98961","aliases":[],"summary":"btrfs: unlock inode and extent in caller when io_uring read extent fails","details":"In the Linux kernel, the following vulnerability has been resolved:\n\nbtrfs: unlock inode and extent in caller when io_uring read extent fails\n\nbtrfs_uring_read_extent() runs only after btrfs_encoded_read() has taken\nthe inode shared lock and the extent lock.  On failure it used to unlock\nin out_fail, and a pages-array allocation failure returned -ENOMEM\nwithout unlocking at all.\n\nUnlock in the caller instead on all failure returns, matching the\ncopy_to_user() error path.  The deferred -EIOCBQUEUED path still unlocks\nin btrfs_uring_read_finished().","categories":["Operating systems"],"product":"Linux","vendor":"Linux","ecosystem":null,"affected_ranges":[{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2026-98961","source_modified_at":"2026-10-23T12:19:29.616Z","fetched_at":"2026-10-23T18:42:43.628194Z","product":"Linux","vendor":"Linux","versions":[{"lessThan":"2797eb38773a96914ccedeec71eb2144645400b2","status":"affected","version":"34310c442e175f286b4c06ab5caa4e0b267ea31c","versionType":"git"},{"lessThan":"ada1fc725a4db407294ae90a0d40ef1c46f457f2","status":"affected","version":"34310c442e175f286b4c06ab5caa4e0b267ea31c","versionType":"git"},{"lessThan":"b6e8add5d79d1f6f819a054c833bab452bd7365d","status":"affected","version":"34310c442e175f286b4c06ab5caa4e0b267ea31c","versionType":"git"}],"defaultStatus":"unaffected"},{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2026-98961","source_modified_at":"2026-10-23T12:19:29.616Z","fetched_at":"2026-10-23T18:42:43.628194Z","product":"Linux","vendor":"Linux","versions":[{"status":"affected","version":"6.13"},{"lessThan":"6.13","status":"unaffected","version":"0","versionType":"semver"},{"lessThanOrEqual":"6.18.*","status":"unaffected","version":"6.18.57","versionType":"semver"},{"lessThanOrEqual":"7.2.*","status":"unaffected","version":"7.2.11","versionType":"semver"},{"lessThanOrEqual":"*","status":"unaffected","version":"7.3","versionType":"original_commit_for_fix"}],"defaultStatus":"affected"}],"fixed_versions":[{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2026-98961","source_modified_at":"2026-10-23T12:19:29.616Z","fetched_at":"2026-10-23T18:42:43.628194Z","package":{"name":"Linux","ecosystem":null},"version":"2797eb38773a96914ccedeec71eb2144645400b2","basis":"first unaffected version stated in the CVE record"}],"cvss":null,"severity":null,"kev":{"listed":false},"epss":{"probability":0.00206,"percentile":0.10144,"score_date":"2026-10-24"},"published_at":"2026-10-23T12:19:29.616Z","modified_at":"2026-10-23T12:19:29.616Z","provenance":[{"source":"CVE List","url":"https://www.cve.org/CVERecord?id=CVE-2026-98961","fetched_at":"2026-10-23T18:42:43.628194Z","source_modified_at":"2026-10-23T12:19:29.616Z"},{"source":"EPSS","url":"https://api.first.org/data/v1/epss?cve=CVE-2026-98961","fetched_at":"2026-10-24T18:03:20.872036Z","source_modified_at":"2026-10-24"}],"sources":["CVE List","EPSS"],"references":[{"source":"CVE List","url":"https://git.kernel.org/stable/c/2797eb38773a96914ccedeec71eb2144645400b2"},{"source":"CVE List","url":"https://git.kernel.org/stable/c/ada1fc725a4db407294ae90a0d40ef1c46f457f2"},{"source":"CVE List","url":"https://git.kernel.org/stable/c/b6e8add5d79d1f6f819a054c833bab452bd7365d"}],"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":"2026-10-23T12:19:29.616Z","content_hash":"b0857857b3569aa0f630721f08e38b7ff6071c4c4811f6a14f3b9998cabeced7"}}