{"schema":"threatline.record/2","record":{"id":"CVE-2026-98326","aliases":[],"summary":"wifi: mac80211: mesh: release the channel if start fails","details":"In the Linux kernel, the following vulnerability has been resolved:\n\nwifi: mac80211: mesh: release the channel if start fails\n\nieee80211_join_mesh() acquires a channel context and then calls\nieee80211_start_mesh(), which can fail. In that case, the chanctx\nisn't released then interface removal will attempt to unassign it\nafter it's removed from the driver, hitting:\n\n  wlan0: Failed check-sdata-in-driver check, flags: 0x0\n  WARNING: net/mac80211/driver-ops.c:366 at drv_unassign_vif_chanctx\n   ieee80211_assign_link_chanctx\n   __ieee80211_link_release_channel\n   ieee80211_link_release_channel\n   ieee80211_teardown_sdata\n   unregister_netdevice_many_notify\n   _cfg80211_unregister_wdev\n   ieee80211_remove_interfaces\n   ieee80211_unregister_hw\n   mac80211_hwsim_del_radio\n   hwsim_exit_net\n\nCorrectly release the channel on start failures.","categories":["Operating systems"],"product":"Linux","vendor":"Linux","ecosystem":null,"affected_ranges":[{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2026-98326","source_modified_at":"2026-10-19T09:17:36.726Z","fetched_at":"2026-10-23T18:45:31.882637Z","product":"Linux","vendor":"Linux","versions":[{"version":"2b5e19677592c167d012c2d129407f39d2bdeb8d","lessThan":"f0afcec2129c166e61821d6ae097061155f01b12","status":"affected","versionType":"git"},{"version":"2b5e19677592c167d012c2d129407f39d2bdeb8d","lessThan":"b51f5a310bd6888b90bb9546a8081215dcfe6fbe","status":"affected","versionType":"git"},{"version":"2b5e19677592c167d012c2d129407f39d2bdeb8d","lessThan":"632f7acfe6dac1278a9314eaaab14fada400ddaf","status":"affected","versionType":"git"},{"version":"2b5e19677592c167d012c2d129407f39d2bdeb8d","lessThan":"41bee71112db53651ba9a9030de1b843255a4a7f","status":"affected","versionType":"git"},{"version":"2b5e19677592c167d012c2d129407f39d2bdeb8d","lessThan":"4a4e3fa77ea36d3419d806fb5883ef425a605a5d","status":"affected","versionType":"git"},{"version":"2b5e19677592c167d012c2d129407f39d2bdeb8d","lessThan":"ae97fff6495a8764bc0ef281cfe5444f701e527f","status":"affected","versionType":"git"}],"defaultStatus":"unaffected"},{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2026-98326","source_modified_at":"2026-10-19T09:17:36.726Z","fetched_at":"2026-10-23T18:45:31.882637Z","product":"Linux","vendor":"Linux","versions":[{"version":"3.9","status":"affected"},{"version":"0","lessThan":"3.9","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-2026-98326","source_modified_at":"2026-10-19T09:17:36.726Z","fetched_at":"2026-10-23T18:45:31.882637Z","package":{"name":"Linux","ecosystem":null},"version":"632f7acfe6dac1278a9314eaaab14fada400ddaf","basis":"first unaffected version stated in the CVE record"},{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2026-98326","source_modified_at":"2026-10-19T09:17:36.726Z","fetched_at":"2026-10-23T18:45:31.882637Z","package":{"name":"Linux","ecosystem":null},"version":"41bee71112db53651ba9a9030de1b843255a4a7f","basis":"first unaffected version stated in the CVE record"},{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2026-98326","source_modified_at":"2026-10-19T09:17:36.726Z","fetched_at":"2026-10-23T18:45:31.882637Z","package":{"name":"Linux","ecosystem":null},"version":"4a4e3fa77ea36d3419d806fb5883ef425a605a5d","basis":"first unaffected version stated in the CVE record"}],"cvss":null,"severity":null,"kev":{"listed":false},"epss":{"probability":0.0018,"percentile":0.07204,"score_date":"2026-10-23"},"published_at":"2026-10-06T08:46:19.534Z","modified_at":"2026-10-19T09:17:36.726Z","provenance":[{"source":"CVE List","url":"https://www.cve.org/CVERecord?id=CVE-2026-98326","fetched_at":"2026-10-23T18:45:31.882637Z","source_modified_at":"2026-10-19T09:17:36.726Z"},{"source":"EPSS","url":"https://api.first.org/data/v1/epss?cve=CVE-2026-98326","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/f0afcec2129c166e61821d6ae097061155f01b12"},{"source":"CVE List","url":"https://git.kernel.org/stable/c/b51f5a310bd6888b90bb9546a8081215dcfe6fbe"},{"source":"CVE List","url":"https://git.kernel.org/stable/c/632f7acfe6dac1278a9314eaaab14fada400ddaf"},{"source":"CVE List","url":"https://git.kernel.org/stable/c/41bee71112db53651ba9a9030de1b843255a4a7f"},{"source":"CVE List","url":"https://git.kernel.org/stable/c/4a4e3fa77ea36d3419d806fb5883ef425a605a5d"},{"source":"CVE List","url":"https://git.kernel.org/stable/c/ae97fff6495a8764bc0ef281cfe5444f701e527f"}],"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":"2026-10-19T09:17:36.726Z","content_hash":"02050d8cea0f757cc5d4e8fac8f828c729e2beb80649eec5484a746490f3c8f6"}}