{"schema":"threatline.record/2","record":{"id":"CVE-2026-98327","aliases":[],"summary":"wifi: mac80211: mesh: reset the CSA state when leaving","details":"In the Linux kernel, the following vulnerability has been resolved:\n\nwifi: mac80211: mesh: reset the CSA state when leaving\n\nifmsh->csa is allocated in ieee80211_mesh_csa_beacon() and only freed\nin ieee80211_mesh_finish_csa(), i.e. when the channel switch completes.\nLeaving the mesh while a switch is still pending therefore leaks it.\n\nAdditionally, ifmsh->csa_role and ifmsh->chsw_ttl have their state leak\nin this case, so things can get mixed up in addition to the memory\nleak.\n\nRefactor the reset and call it in ieee80211_stop_mesh() to fix it all.","categories":["Operating systems"],"product":"Linux","vendor":"Linux","ecosystem":null,"affected_ranges":[{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2026-98327","source_modified_at":"2026-10-19T09:17:37.676Z","fetched_at":"2026-10-23T18:45:31.882637Z","product":"Linux","vendor":"Linux","versions":[{"version":"b8456a14e9d2770846fcf74de18ff95b676149a3","lessThan":"aba8dfb45864441199748c33ce3c1c8ca121c8bd","status":"affected","versionType":"git"},{"version":"b8456a14e9d2770846fcf74de18ff95b676149a3","lessThan":"bd3b21145ae2e781daac1bbd19216a63ab4e0cbd","status":"affected","versionType":"git"},{"version":"b8456a14e9d2770846fcf74de18ff95b676149a3","lessThan":"ba5bf83a81e8832cb84bb3a2da67512f81f57a02","status":"affected","versionType":"git"},{"version":"b8456a14e9d2770846fcf74de18ff95b676149a3","lessThan":"860134b3af77970e006feab7e5decb8c84771c7f","status":"affected","versionType":"git"}],"defaultStatus":"unaffected"},{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2026-98327","source_modified_at":"2026-10-19T09:17:37.676Z","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-2026-98327","source_modified_at":"2026-10-19T09:17:37.676Z","fetched_at":"2026-10-23T18:45:31.882637Z","package":{"name":"Linux","ecosystem":null},"version":"860134b3af77970e006feab7e5decb8c84771c7f","basis":"first unaffected version stated in the CVE record"}],"cvss":null,"severity":null,"kev":{"listed":false},"epss":{"probability":0.00175,"percentile":0.06676,"score_date":"2026-10-23"},"published_at":"2026-10-06T08:46:20.317Z","modified_at":"2026-10-19T09:17:37.676Z","provenance":[{"source":"CVE List","url":"https://www.cve.org/CVERecord?id=CVE-2026-98327","fetched_at":"2026-10-23T18:45:31.882637Z","source_modified_at":"2026-10-19T09:17:37.676Z"},{"source":"EPSS","url":"https://api.first.org/data/v1/epss?cve=CVE-2026-98327","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/aba8dfb45864441199748c33ce3c1c8ca121c8bd"},{"source":"CVE List","url":"https://git.kernel.org/stable/c/bd3b21145ae2e781daac1bbd19216a63ab4e0cbd"},{"source":"CVE List","url":"https://git.kernel.org/stable/c/ba5bf83a81e8832cb84bb3a2da67512f81f57a02"},{"source":"CVE List","url":"https://git.kernel.org/stable/c/860134b3af77970e006feab7e5decb8c84771c7f"}],"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":"2026-10-19T09:17:37.676Z","content_hash":"f1db56a74dc0ea6bdbb8be705555bbb9f08ed3009a2a434927af99fbc6d614f3"}}