{"id":"CVE-2026-98346","summary":"wifi: cfg80211: don't get the radio mask for netdev-less wdevs","details":"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-\u003enetdev, which can be NULL and then crashes in mac80211.\n\nTo avoid that, invert the order of checks since wdev-\u003enetdev\nis always valid for beaconing interfaces.","modified":"2026-10-08T02:52:57.783377122Z","published":"2026-10-06T08:46:35.409Z","database_specific":{"cna_assigner":"Linux","osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/98xxx/CVE-2026-98346.json"},"references":[{"type":"WEB","url":"https://git.kernel.org/stable/c/5b313159c970e945ee125ca87fad0d96ed913e55"},{"type":"WEB","url":"https://git.kernel.org/stable/c/693d777846d525b8b218bad97a1befa5d9bd4334"},{"type":"WEB","url":"https://git.kernel.org/stable/c/7166da84a7fe3553f9065782fd80299a37b150e5"},{"type":"WEB","url":"https://git.kernel.org/stable/c/a7783e585360ee05dfe21d3173dbbe985c94f29e"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/98xxx/CVE-2026-98346.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-98346"},{"type":"PACKAGE","url":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","events":[{"introduced":"abb4cfe3661aa05426916b21164f88ca5a405a3a"},{"fixed":"5b313159c970e945ee125ca87fad0d96ed913e55"},{"fixed":"693d777846d525b8b218bad97a1befa5d9bd4334"},{"fixed":"7166da84a7fe3553f9065782fd80299a37b150e5"},{"fixed":"a7783e585360ee05dfe21d3173dbbe985c94f29e"}]}],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-98346.json"}},{"package":{"name":"Kernel","ecosystem":"Linux"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"6.11.0"},{"fixed":"6.12.112"}]},{"type":"ECOSYSTEM","events":[{"introduced":"6.13.0"},{"fixed":"6.18.54"}]},{"type":"ECOSYSTEM","events":[{"introduced":"6.19.0"},{"fixed":"7.2.8"}]}],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-98346.json"}}],"schema_version":"1.9.0"}