{"id":"CVE-2026-98346","title":"In the Linux kernel, the following vulnerability has been resolved:\n\nwifi: cfg80211: don't get the radio mask for netdev-less wdevs\n\ncfg80211_calculate_bi_data() calls rdev_get_radio_mask() with\nwdev->netdev, which can be NULL and then c…","summary":"In the Linux kernel, the following vulnerability has been resolved:\n\nwifi: cfg80211: don't get the radio mask for netdev-less wdevs\n\ncfg80211_calculate_bi_data() calls rdev_get_radio_mask() with\nwdev->netdev, which can be NULL and then c…","severity":"none","vendor":"Linux","product":"Linux","affected":["Linux >= abb4cfe3661aa05426916b21164f88ca5a405a3a < 5b313159c970e945ee125ca87fad0d96ed913e55","Linux >= abb4cfe3661aa05426916b21164f88ca5a405a3a < 693d777846d525b8b218bad97a1befa5d9bd4334","Linux >= abb4cfe3661aa05426916b21164f88ca5a405a3a < 7166da84a7fe3553f9065782fd80299a37b150e5","Linux >= abb4cfe3661aa05426916b21164f88ca5a405a3a < a7783e585360ee05dfe21d3173dbbe985c94f29e","Linux 6.11"],"published":"2026-10-06","updated":"2026-10-06","sourceUpdated":"2026-10-06T09:18:27.633","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-98346","references":[{"url":"https://git.kernel.org/stable/c/5b313159c970e945ee125ca87fad0d96ed913e55","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/693d777846d525b8b218bad97a1befa5d9bd4334","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/7166da84a7fe3553f9065782fd80299a37b150e5","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/a7783e585360ee05dfe21d3173dbbe985c94f29e","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"}],"tags":["nvd","cve.org"],"ingestedAt":"2026-10-06T08:50:17.397Z","slug":"CVE-2026-98346","body":"## Overview\n\nIn the Linux kernel, the following vulnerability has been resolved:\n\nwifi: cfg80211: don't get the radio mask for netdev-less wdevs\n\ncfg80211_calculate_bi_data() calls rdev_get_radio_mask() with\nwdev->netdev, which can be NULL and then crashes in mac80211.\n\nTo avoid that, invert the order of checks since wdev->netdev\nis always valid for beaconing interfaces.\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":[]}