{"schema":"threatline.record/2","record":{"id":"CVE-2026-98699","aliases":[],"summary":"wifi: mac80211: fix mesh fast xmit path deletion UAF","details":"In the Linux kernel, the following vulnerability has been resolved:\n\nwifi: mac80211: fix mesh fast xmit path deletion UAF\n\nmesh_fast_tx_cache() stores raw mesh_path pointers. Path deletion\nflushes the cache and then frees the path with kfree_rcu(), but a\nlookup that already holds the path can insert a new cache entry\nafter the flush. The cache then points at freed memory.\n\nSet MESH_PATH_DELETED before flushing, and skip inserting a cache\nentry if the path or MPP path is already deleted. Check this under\nthe cache walk lock so it is ordered with the flush. Use WRITE_ONCE()\nfor the deletion flag updates because the cache check reads flags\nwithout taking state_lock.","categories":["Operating systems"],"product":"Linux","vendor":"Linux","ecosystem":null,"affected_ranges":[{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2026-98699","source_modified_at":"2026-10-21T12:55:49.005Z","fetched_at":"2026-10-23T18:45:31.882637Z","product":"Linux","vendor":"Linux","versions":[{"version":"d5edb9ae8d568745f893c5c5fa3837d85311b131","lessThan":"ebb7cba623d38733d33d79a8c7442f5ea04c0fb0","status":"affected","versionType":"git"},{"version":"d5edb9ae8d568745f893c5c5fa3837d85311b131","lessThan":"0117f1aa189495e6f1ff608681678817995aee39","status":"affected","versionType":"git"},{"version":"d5edb9ae8d568745f893c5c5fa3837d85311b131","lessThan":"128e800a41270ab197b1cc8043637a2924865608","status":"affected","versionType":"git"},{"version":"d5edb9ae8d568745f893c5c5fa3837d85311b131","lessThan":"93da3ec938bfdcfb3899428f04c6d0c56fe32952","status":"affected","versionType":"git"},{"version":"d5edb9ae8d568745f893c5c5fa3837d85311b131","lessThan":"ee3aadc43ea69d98f666431e787137ac0badbb85","status":"affected","versionType":"git"}],"defaultStatus":"unaffected"},{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2026-98699","source_modified_at":"2026-10-21T12:55:49.005Z","fetched_at":"2026-10-23T18:45:31.882637Z","product":"Linux","vendor":"Linux","versions":[{"version":"6.4","status":"affected"},{"version":"0","lessThan":"6.4","status":"unaffected","versionType":"semver"},{"version":"6.6.160","lessThanOrEqual":"6.6.*","status":"unaffected","versionType":"semver"},{"version":"6.12.113","lessThanOrEqual":"6.12.*","status":"unaffected","versionType":"semver"},{"version":"6.18.56","lessThanOrEqual":"6.18.*","status":"unaffected","versionType":"semver"},{"version":"7.2.10","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-2026-98699","source_modified_at":"2026-10-21T12:55:49.005Z","fetched_at":"2026-10-23T18:45:31.882637Z","package":{"name":"Linux","ecosystem":null},"version":"0117f1aa189495e6f1ff608681678817995aee39","basis":"first unaffected version stated in the CVE record"},{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2026-98699","source_modified_at":"2026-10-21T12:55:49.005Z","fetched_at":"2026-10-23T18:45:31.882637Z","package":{"name":"Linux","ecosystem":null},"version":"128e800a41270ab197b1cc8043637a2924865608","basis":"first unaffected version stated in the CVE record"},{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2026-98699","source_modified_at":"2026-10-21T12:55:49.005Z","fetched_at":"2026-10-23T18:45:31.882637Z","package":{"name":"Linux","ecosystem":null},"version":"93da3ec938bfdcfb3899428f04c6d0c56fe32952","basis":"first unaffected version stated in the CVE record"}],"cvss":null,"severity":null,"kev":{"listed":false},"epss":{"probability":0.00168,"percentile":0.05717,"score_date":"2026-10-23"},"published_at":"2026-10-18T15:46:29.245Z","modified_at":"2026-10-21T12:55:49.005Z","provenance":[{"source":"CVE List","url":"https://www.cve.org/CVERecord?id=CVE-2026-98699","fetched_at":"2026-10-23T18:45:31.882637Z","source_modified_at":"2026-10-21T12:55:49.005Z"},{"source":"EPSS","url":"https://api.first.org/data/v1/epss?cve=CVE-2026-98699","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/ebb7cba623d38733d33d79a8c7442f5ea04c0fb0"},{"source":"CVE List","url":"https://git.kernel.org/stable/c/0117f1aa189495e6f1ff608681678817995aee39"},{"source":"CVE List","url":"https://git.kernel.org/stable/c/128e800a41270ab197b1cc8043637a2924865608"},{"source":"CVE List","url":"https://git.kernel.org/stable/c/93da3ec938bfdcfb3899428f04c6d0c56fe32952"},{"source":"CVE List","url":"https://git.kernel.org/stable/c/ee3aadc43ea69d98f666431e787137ac0badbb85"}],"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":"2026-10-21T12:55:49.005Z","content_hash":"34e4ab4579954e5b1dfde60409f03b5be5706f01ef9b9099e0e9987fa038950b"}}