CVE-2026-53257

The CVE-2026-53257 entry concerns the Linux kernel’s wifi stack (mac80211/cfg80211) where HE/EHT capability elements (HE/EHT cap and oper) must be consistent. The bug allowed a crash in mac80211 when eht_cap is set but eht_oper isn’t; the fix enforces that both HE and EHT elements are aligned to ...