{"schema":"threatline.record/2","record":{"id":"CVE-2026-98290","aliases":[],"summary":"Bluetooth: RFCOMM: avoid socket lock inversion in listener cleanup","details":"In the Linux kernel, the following vulnerability has been resolved:\n\nBluetooth: RFCOMM: avoid socket lock inversion in listener cleanup\n\nrfcomm_sock_cleanup_listen() closes unaccepted child sockets through\nrfcomm_sock_close(), which takes the child socket lock before\nrfcomm_dlc_close() acquires rfcomm_mutex. The RFCOMM worker takes these\nlocks in reverse order while handling connections and DLC state changes,\nso lockdep reports a possible deadlock.\n\nClose dequeued children without taking their socket lock. The accept queue\nowns a reference to each child, and bt_accept_dequeue() locks the child\nwhile unlinking it and clearing its parent pointer.\n\nDropping the child lock makes it important to prevent a concurrent\nrfcomm_connect_ind() from enqueueing a new child after cleanup observes an\nempty queue. Set a listening socket to BT_CLOSED while its lock is still\nheld, before dropping the lock and draining the queue. The state check in\nrfcomm_connect_ind() then rejects new children once cleanup starts.","categories":["Operating systems"],"product":"Linux","vendor":"Linux","ecosystem":null,"affected_ranges":[{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2026-98290","source_modified_at":"2026-10-19T09:17:01.498Z","fetched_at":"2026-10-23T18:45:31.882637Z","product":"Linux","vendor":"Linux","versions":[{"version":"b7ce436a5d798bc59e71797952566608a4b4626b","lessThan":"eb4adaa46e4c9e6efa7be3ce06398f4d7c39b57c","status":"affected","versionType":"git"},{"version":"b7ce436a5d798bc59e71797952566608a4b4626b","lessThan":"4aafb47301a799d3e01230d6568c4e93524e1523","status":"affected","versionType":"git"},{"version":"b7ce436a5d798bc59e71797952566608a4b4626b","lessThan":"c741977e413f5b49d306700820fb55ccb8269f5a","status":"affected","versionType":"git"},{"version":"b7ce436a5d798bc59e71797952566608a4b4626b","lessThan":"c6792c441767256030606eb82dca5d5fc360dd9a","status":"affected","versionType":"git"},{"version":"b7ce436a5d798bc59e71797952566608a4b4626b","lessThan":"bfce253f039eb5f58b810af267942a9f59207254","status":"affected","versionType":"git"},{"version":"b7ce436a5d798bc59e71797952566608a4b4626b","lessThan":"18174b166547ef41973cc19feb5ef9cab39a8def","status":"affected","versionType":"git"},{"version":"b7ce436a5d798bc59e71797952566608a4b4626b","lessThan":"801fb950cae7048eb7d83b18857d1ca37b8cd5a4","status":"affected","versionType":"git"}],"defaultStatus":"unaffected"},{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2026-98290","source_modified_at":"2026-10-19T09:17:01.498Z","fetched_at":"2026-10-23T18:45:31.882637Z","product":"Linux","vendor":"Linux","versions":[{"version":"5.15","status":"affected"},{"version":"0","lessThan":"5.15","status":"unaffected","versionType":"semver"},{"version":"5.15.222","lessThanOrEqual":"5.15.*","status":"unaffected","versionType":"semver"},{"version":"6.1.189","lessThanOrEqual":"6.1.*","status":"unaffected","versionType":"semver"},{"version":"6.6.158","lessThanOrEqual":"6.6.*","status":"unaffected","versionType":"semver"},{"version":"6.12.112","lessThanOrEqual":"6.12.*","status":"unaffected","versionType":"semver"},{"version":"6.18.54","lessThanOrEqual":"6.18.*","status":"unaffected","versionType":"semver"},{"version":"7.2.8","lessThanOrEqual":"7.2.*","status":"unaffected","versionType":"semver"},{"version":"7.3","lessThanOrEqual":"*","status":"unaffected","versionType":"original_commit_for_fix"}],"defaultStatus":"affected"}],"fixed_versions":[{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2026-98290","source_modified_at":"2026-10-19T09:17:01.498Z","fetched_at":"2026-10-23T18:45:31.882637Z","package":{"name":"Linux","ecosystem":null},"version":"4aafb47301a799d3e01230d6568c4e93524e1523","basis":"first unaffected version stated in the CVE record"},{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2026-98290","source_modified_at":"2026-10-19T09:17:01.498Z","fetched_at":"2026-10-23T18:45:31.882637Z","package":{"name":"Linux","ecosystem":null},"version":"18174b166547ef41973cc19feb5ef9cab39a8def","basis":"first unaffected version stated in the CVE record"},{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2026-98290","source_modified_at":"2026-10-19T09:17:01.498Z","fetched_at":"2026-10-23T18:45:31.882637Z","package":{"name":"Linux","ecosystem":null},"version":"801fb950cae7048eb7d83b18857d1ca37b8cd5a4","basis":"first unaffected version stated in the CVE record"}],"cvss":7.5,"severity":"High","kev":{"listed":false},"epss":{"probability":0.00257,"percentile":0.16431,"score_date":"2026-10-23"},"published_at":"2026-10-06T08:45:50.299Z","modified_at":"2026-10-19T09:17:01.498Z","provenance":[{"source":"CVE List","url":"https://www.cve.org/CVERecord?id=CVE-2026-98290","fetched_at":"2026-10-23T18:45:31.882637Z","source_modified_at":"2026-10-19T09:17:01.498Z"},{"source":"EPSS","url":"https://api.first.org/data/v1/epss?cve=CVE-2026-98290","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/eb4adaa46e4c9e6efa7be3ce06398f4d7c39b57c"},{"source":"CVE List","url":"https://git.kernel.org/stable/c/4aafb47301a799d3e01230d6568c4e93524e1523"},{"source":"CVE List","url":"https://git.kernel.org/stable/c/c741977e413f5b49d306700820fb55ccb8269f5a"},{"source":"CVE List","url":"https://git.kernel.org/stable/c/c6792c441767256030606eb82dca5d5fc360dd9a"},{"source":"CVE List","url":"https://git.kernel.org/stable/c/bfce253f039eb5f58b810af267942a9f59207254"},{"source":"CVE List","url":"https://git.kernel.org/stable/c/18174b166547ef41973cc19feb5ef9cab39a8def"},{"source":"CVE List","url":"https://git.kernel.org/stable/c/801fb950cae7048eb7d83b18857d1ca37b8cd5a4"}],"locations":[],"motoko_assessment":{"status":"requires_architecture_review","automatic_remediation":false},"cve_state":"PUBLISHED","cvss_source":"CVE List","classification":{"method":"product-first software-layer rules","rules_version":"2.1","matched_on":"product","confidence":"heuristic","reviewed":false},"change_timestamp":"2026-10-19T09:17:01.498Z","content_hash":"b1735045395051ef09ff1157cac2ab043e9e71c43d275120118eb9bdecae03d4"}}