{"schema":"threatline.record/2","record":{"id":"CVE-2026-98335","aliases":[],"summary":"wifi: mac80211: abort chanswitch when leaving a mesh","details":"In the Linux kernel, the following vulnerability has been resolved:\n\nwifi: mac80211: abort chanswitch when leaving a mesh\n\nThe code in ieee80211_stop_mesh() leaves CSA active, but leaving\nthe mesh released the channel context, so the CSA finalize work\ncrashes:\n\n  Oops: general protection fault, probably for non-canonical address\n        0xdffffc0000000003\n  KASAN: null-ptr-deref in range [0x0000000000000018-0x000000000000001f]\n  RIP: 0010:ieee80211_put_srates_elem+0x42/0x640 net/mac80211/util.c:3272\n  Call Trace:\n   ieee80211_mesh_build_beacon+0xa83/0x1b50 net/mac80211/mesh.c:1093\n   ieee80211_mesh_rebuild_beacon+0xc7/0x170 net/mac80211/mesh.c:1147\n   ieee80211_mesh_finish_csa+0x131/0x210 net/mac80211/mesh.c:1542\n   ieee80211_set_after_csa_beacon net/mac80211/cfg.c:4085 [inline]\n   __ieee80211_csa_finalize net/mac80211/cfg.c:4133 [inline]\n   ieee80211_csa_finalize+0x633/0x1150 net/mac80211/cfg.c:4155\n   cfg80211_wiphy_work+0x2ab/0x450 net/wireless/core.c:438\n\nAbort the channel switch properly.","categories":["Operating systems"],"product":"Linux","vendor":"Linux","ecosystem":null,"affected_ranges":[{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2026-98335","source_modified_at":"2026-10-19T09:17:46.461Z","fetched_at":"2026-10-23T18:45:31.882637Z","product":"Linux","vendor":"Linux","versions":[{"version":"b8456a14e9d2770846fcf74de18ff95b676149a3","lessThan":"bc544ef02327edf61c94d2b6bae9d14b217009b2","status":"affected","versionType":"git"},{"version":"b8456a14e9d2770846fcf74de18ff95b676149a3","lessThan":"2e1d6e80148495e728a85a9250176f266312e55c","status":"affected","versionType":"git"},{"version":"b8456a14e9d2770846fcf74de18ff95b676149a3","lessThan":"d222fdc973bb8dbf0357772bd9042ffdc8291939","status":"affected","versionType":"git"},{"version":"b8456a14e9d2770846fcf74de18ff95b676149a3","lessThan":"ac7472a24bd433b81c06582835dd1d5547c10da9","status":"affected","versionType":"git"}],"defaultStatus":"unaffected"},{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2026-98335","source_modified_at":"2026-10-19T09:17:46.461Z","fetched_at":"2026-10-23T18:45:31.882637Z","product":"Linux","vendor":"Linux","versions":[{"version":"3.13","status":"affected"},{"version":"0","lessThan":"3.13","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-2026-98335","source_modified_at":"2026-10-19T09:17:46.461Z","fetched_at":"2026-10-23T18:45:31.882637Z","package":{"name":"Linux","ecosystem":null},"version":"2e1d6e80148495e728a85a9250176f266312e55c","basis":"first unaffected version stated in the CVE record"}],"cvss":null,"severity":null,"kev":{"listed":false},"epss":{"probability":0.00175,"percentile":0.06675,"score_date":"2026-10-23"},"published_at":"2026-10-06T08:46:26.816Z","modified_at":"2026-10-19T09:17:46.461Z","provenance":[{"source":"CVE List","url":"https://www.cve.org/CVERecord?id=CVE-2026-98335","fetched_at":"2026-10-23T18:45:31.882637Z","source_modified_at":"2026-10-19T09:17:46.461Z"},{"source":"EPSS","url":"https://api.first.org/data/v1/epss?cve=CVE-2026-98335","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/bc544ef02327edf61c94d2b6bae9d14b217009b2"},{"source":"CVE List","url":"https://git.kernel.org/stable/c/2e1d6e80148495e728a85a9250176f266312e55c"},{"source":"CVE List","url":"https://git.kernel.org/stable/c/d222fdc973bb8dbf0357772bd9042ffdc8291939"},{"source":"CVE List","url":"https://git.kernel.org/stable/c/ac7472a24bd433b81c06582835dd1d5547c10da9"}],"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":"2026-10-19T09:17:46.461Z","content_hash":"caa971ad057aea51bd3dfb90de8ec37a0cae0e9e7395704367a68430ba418f03"}}