CVE-2026-63869

In the Linux kernel, the following vulnerability has been resolved: wifi: mac80211: limit injected antenna index in ieee80211parsetxradiotap When parsing the radiotap header of an injected frame, ieee80211parsetxradiotap uses the IEEE80211RADIOTAPANTENNA value directly as a shift count:...

CVE-2026-63869

Summary of concrete details (CVE-2026-63869): In the Linux kernel’s wifi/mac80211 stack, parsing the radiotap header of an injected frame may read an 8-bit antenna index from userspace and apply it as a shift count, potentially shifting up to 255. The code path ieee80211_parse_tx_radiotap in net/...

CVE-2026-63869 wifi: mac80211: limit injected antenna index in ieee80211_parse_tx_radiotap

In the Linux kernel, the following vulnerability has been resolved: wifi: mac80211: limit injected antenna index in ieee80211parsetxradiotap When parsing the radiotap header of an injected frame, ieee80211parsetxradiotap uses the IEEE80211RADIOTAPANTENNA value directly as a shift count:...

EUVD-2026-45554

In the Linux kernel, the following vulnerability has been resolved: wifi: mac80211: limit injected antenna index in ieee80211parsetxradiotap When parsing the radiotap header of an injected frame, ieee80211parsetxradiotap uses the IEEE80211RADIOTAPANTENNA value directly as a shift count:...

CVE-2026-63869 wifi: mac80211: limit injected antenna index in ieee80211_parse_tx_radiotap

In the Linux kernel, the following vulnerability has been resolved: wifi: mac80211: limit injected antenna index in ieee80211parsetxradiotap When parsing the radiotap header of an injected frame, ieee80211parsetxradiotap uses the IEEE80211RADIOTAPANTENNA value directly as a shift count:...