{"schema":"threatline.record/2","record":{"id":"CVE-2026-98891","aliases":[],"summary":"wifi: mac80211: validate deauth frame length before reason access","details":"In the Linux kernel, the following vulnerability has been resolved:\n\nwifi: mac80211: validate deauth frame length before reason access\n\nieee80211_rx_mgmt_deauth() reads the deauth reason code before checking\nthat the fixed field is actually present in the received frame.\n\nValidate the deauth frame length first and only then read the reason\ncode.","categories":["Operating systems"],"product":"Linux","vendor":"Linux","ecosystem":null,"affected_ranges":[{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2026-98891","source_modified_at":"2026-10-23T11:37:51.588Z","fetched_at":"2026-10-23T18:42:43.628194Z","product":"Linux","vendor":"Linux","versions":[{"version":"1da177e4c3f41524e886b7f1b8a0c1fc7321cac2","lessThan":"51092dc769f021e9634474e1bd5a561da477fbdb","status":"affected","versionType":"git"},{"version":"1da177e4c3f41524e886b7f1b8a0c1fc7321cac2","lessThan":"a6ed4c00ccdc15011a73daa2b38af9fc5a2c543e","status":"affected","versionType":"git"},{"version":"1da177e4c3f41524e886b7f1b8a0c1fc7321cac2","lessThan":"80d1a110e9096b5bf41497f6b151154084862385","status":"affected","versionType":"git"},{"version":"1da177e4c3f41524e886b7f1b8a0c1fc7321cac2","lessThan":"a78689e2beed200d4590318612c74ae25c9408cf","status":"affected","versionType":"git"},{"version":"1da177e4c3f41524e886b7f1b8a0c1fc7321cac2","lessThan":"7a5ef1fd654d0e90d59aa32c881789c8bcc4125a","status":"affected","versionType":"git"},{"version":"1da177e4c3f41524e886b7f1b8a0c1fc7321cac2","lessThan":"9df64ad43e1f2c036667bba2bf385e9d7b3af564","status":"affected","versionType":"git"},{"version":"1da177e4c3f41524e886b7f1b8a0c1fc7321cac2","lessThan":"4a360c6e18dfa9d70006c7247a6a8cc8dfe0d60f","status":"affected","versionType":"git"},{"version":"0","lessThan":"5.10.271","status":"affected","versionType":"semver"},{"version":"0","lessThan":"5.15.222","status":"affected","versionType":"semver"},{"version":"0","lessThan":"6.1.189","status":"affected","versionType":"semver"},{"version":"0","lessThan":"6.6.158","status":"affected","versionType":"semver"},{"version":"0","lessThan":"6.12.111","status":"affected","versionType":"semver"},{"version":"0","lessThan":"6.18.53","status":"affected","versionType":"semver"}],"defaultStatus":"unaffected"},{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2026-98891","source_modified_at":"2026-10-23T11:37:51.588Z","fetched_at":"2026-10-23T18:42:43.628194Z","product":"Linux","vendor":"Linux","versions":[{"version":"5.10.271","lessThanOrEqual":"5.10.*","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":"6.12.111","lessThanOrEqual":"6.12.*","status":"unaffected","versionType":"semver"},{"version":"6.18.53","lessThanOrEqual":"6.18.*","status":"unaffected","versionType":"semver"},{"version":"7.2","lessThanOrEqual":"*","status":"unaffected","versionType":"original_commit_for_fix"}],"defaultStatus":"affected"}],"fixed_versions":[{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2026-98891","source_modified_at":"2026-10-23T11:37:51.588Z","fetched_at":"2026-10-23T18:42:43.628194Z","package":{"name":"Linux","ecosystem":null},"version":"51092dc769f021e9634474e1bd5a561da477fbdb","basis":"first unaffected version stated in the CVE record"},{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2026-98891","source_modified_at":"2026-10-23T11:37:51.588Z","fetched_at":"2026-10-23T18:42:43.628194Z","package":{"name":"Linux","ecosystem":null},"version":"80d1a110e9096b5bf41497f6b151154084862385","basis":"first unaffected version stated in the CVE record"},{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2026-98891","source_modified_at":"2026-10-23T11:37:51.588Z","fetched_at":"2026-10-23T18:42:43.628194Z","package":{"name":"Linux","ecosystem":null},"version":"7a5ef1fd654d0e90d59aa32c881789c8bcc4125a","basis":"first unaffected version stated in the CVE record"},{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2026-98891","source_modified_at":"2026-10-23T11:37:51.588Z","fetched_at":"2026-10-23T18:42:43.628194Z","package":{"name":"Linux","ecosystem":null},"version":"9df64ad43e1f2c036667bba2bf385e9d7b3af564","basis":"first unaffected version stated in the CVE record"},{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2026-98891","source_modified_at":"2026-10-23T11:37:51.588Z","fetched_at":"2026-10-23T18:42:43.628194Z","package":{"name":"Linux","ecosystem":null},"version":"4a360c6e18dfa9d70006c7247a6a8cc8dfe0d60f","basis":"first unaffected version stated in the CVE record"},{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2026-98891","source_modified_at":"2026-10-23T11:37:51.588Z","fetched_at":"2026-10-23T18:42:43.628194Z","package":{"name":"Linux","ecosystem":null},"version":"5.10.271","basis":"first unaffected version stated in the CVE record"},{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2026-98891","source_modified_at":"2026-10-23T11:37:51.588Z","fetched_at":"2026-10-23T18:42:43.628194Z","package":{"name":"Linux","ecosystem":null},"version":"5.15.222","basis":"first unaffected version stated in the CVE record"},{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2026-98891","source_modified_at":"2026-10-23T11:37:51.588Z","fetched_at":"2026-10-23T18:42:43.628194Z","package":{"name":"Linux","ecosystem":null},"version":"6.1.189","basis":"first unaffected version stated in the CVE record"},{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2026-98891","source_modified_at":"2026-10-23T11:37:51.588Z","fetched_at":"2026-10-23T18:42:43.628194Z","package":{"name":"Linux","ecosystem":null},"version":"6.6.158","basis":"first unaffected version stated in the CVE record"},{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2026-98891","source_modified_at":"2026-10-23T11:37:51.588Z","fetched_at":"2026-10-23T18:42:43.628194Z","package":{"name":"Linux","ecosystem":null},"version":"6.12.111","basis":"first unaffected version stated in the CVE record"},{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2026-98891","source_modified_at":"2026-10-23T11:37:51.588Z","fetched_at":"2026-10-23T18:42:43.628194Z","package":{"name":"Linux","ecosystem":null},"version":"6.18.53","basis":"first unaffected version stated in the CVE record"}],"cvss":null,"severity":null,"kev":{"listed":false},"epss":{"probability":null,"percentile":null,"score_date":null},"published_at":"2026-10-23T11:37:51.588Z","modified_at":"2026-10-23T11:37:51.588Z","provenance":[{"source":"CVE List","url":"https://www.cve.org/CVERecord?id=CVE-2026-98891","fetched_at":"2026-10-23T18:42:43.628194Z","source_modified_at":"2026-10-23T11:37:51.588Z"}],"sources":["CVE List"],"references":[{"source":"CVE List","url":"https://git.kernel.org/stable/c/51092dc769f021e9634474e1bd5a561da477fbdb"},{"source":"CVE List","url":"https://git.kernel.org/stable/c/a6ed4c00ccdc15011a73daa2b38af9fc5a2c543e"},{"source":"CVE List","url":"https://git.kernel.org/stable/c/80d1a110e9096b5bf41497f6b151154084862385"},{"source":"CVE List","url":"https://git.kernel.org/stable/c/a78689e2beed200d4590318612c74ae25c9408cf"},{"source":"CVE List","url":"https://git.kernel.org/stable/c/7a5ef1fd654d0e90d59aa32c881789c8bcc4125a"},{"source":"CVE List","url":"https://git.kernel.org/stable/c/9df64ad43e1f2c036667bba2bf385e9d7b3af564"},{"source":"CVE List","url":"https://git.kernel.org/stable/c/4a360c6e18dfa9d70006c7247a6a8cc8dfe0d60f"}],"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":"2026-10-23T11:37:51.588Z","content_hash":"e7ba483ea7721599969b309ac11bbcd7b599cd716dc513a19b40200842294237"}}