{"id":"CVE-2026-74322","summary":"wifi: mt76: mt7996: Fix possible NULL pointer dereference in mt7996_mac_write_txwi_80211()","details":"In the Linux kernel, the following vulnerability has been resolved:\n\nwifi: mt76: mt7996: Fix possible NULL pointer dereference in mt7996_mac_write_txwi_80211()\n\nFor injected frames (e.g. via radiotap), mac80211 can pass\ninfo-\u003econtrol.vif = NULL, as explicitly noted in struct ieee80211_tx_info.\nCheck vif pointer before executing ieee80211_vif_is_mld() in\nmt7996_mac_write_txwi_80211 routine in order to avoid a possible NULL\npointer dereference.","modified":"2026-08-18T03:31:01.468369583Z","published":"2026-08-15T05:58:18.167Z","database_specific":{"cna_assigner":"Linux","osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/74xxx/CVE-2026-74322.json"},"references":[{"type":"WEB","url":"https://git.kernel.org/stable/c/61370e6674b5253de5686813ceeceebc35a7d3e5"},{"type":"WEB","url":"https://git.kernel.org/stable/c/63e6151b9791b31877a88ff62806e7c407683955"},{"type":"WEB","url":"https://git.kernel.org/stable/c/dfb27e5dd9e4d34fbb74fa834c644dcef0be2be9"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/74xxx/CVE-2026-74322.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-74322"},{"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":"f0b0b239b8f36cdc55cf0bc1bac75ec07fc9fef1"},{"fixed":"dfb27e5dd9e4d34fbb74fa834c644dcef0be2be9"},{"fixed":"63e6151b9791b31877a88ff62806e7c407683955"},{"fixed":"61370e6674b5253de5686813ceeceebc35a7d3e5"}]}],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-74322.json"}},{"package":{"name":"Kernel","ecosystem":"Linux"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"6.15.0"},{"fixed":"6.18.40"}]},{"type":"ECOSYSTEM","events":[{"introduced":"6.19.0"},{"fixed":"7.1.5"}]}],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-74322.json"}}],"schema_version":"1.9.0"}