{"id":"CVE-2026-98421","title":"In the Linux kernel, the following vulnerability has been resolved:\n\nwifi: mac80211: require a peer station for TDLS setup confirm\n\nIt's nonsense for the setup confirm to go to station that\ndoesn't even exist, and it hits a warning when …","summary":"In the Linux kernel, the following vulnerability has been resolved:\n\nwifi: mac80211: require a peer station for TDLS setup confirm\n\nIt's nonsense for the setup confirm to go to station that\ndoesn't even exist, and it hits a warning when …","severity":"none","published":"2026-10-14","updated":"2026-10-14","sourceUpdated":"2026-10-14T14:17:53.573","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-98421","references":[{"url":"https://git.kernel.org/stable/c/038e1d126304fd25d507fd4e671232df57bd1799","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/1c0a5c96473b9e7a5f4c453ef6a13dc0f5589a4b","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/6bae6ef511a29ef12ab969adeea691067d4d5d74","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/742c762bee59c973684f70dfed7de4945d3141e2","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/d0afa5395c46d73ad2090aa50209886e84f179bd","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/fce36d242a18ddf64731d816a37564103172da11","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"}],"tags":["nvd"],"ingestedAt":"2026-10-14T15:36:13.988Z","slug":"CVE-2026-98421","body":"## Overview\n\nIn the Linux kernel, the following vulnerability has been resolved:\n\nwifi: mac80211: require a peer station for TDLS setup confirm\n\nIt's nonsense for the setup confirm to go to station that\ndoesn't even exist, and it hits a warning when building\nthe frame:\n\n  WARN_ON_ONCE(!sta || !ap_sta)\n\nOnly accept WLAN_TDLS_SETUP_CONFIRM when the station is\nalready there as a TDLS station. Need to copy the call\nto ieee80211_tdls_prep_mgmt_packet() since the existing\nWLAN_TDLS_DISCOVERY_REQUEST already falls through to it.\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"sunlit","depthScore":3,"depthScoreParts":{"impact":2.8,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[]}