CVE-2026-68407

CVE-2026-68407 relates to the Linux kernel wifi stack (nl80211). The issue occurs in nl80211_parse_beacon() where EMA RNR data is rejected when the number of RNR entries is fewer than MBSSID entries, leaving a previously allocated RNR block potentially unfreed. The vulnerability is addressed by f...

wifi: ath9k_htc: Abort software beacon handling if disabled

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Arbitrary Code Execution

kernel is vulnerable to arbitrary code execution. The vulnerability exists in net/wireless/nl80211.c as it does not check the length of variable elements in a beacon head, leading to a buffer overflow...

kernel: buffer-overflow hardening in WiFi beacon validation code.

A flaw in the Linux kernel's WiFi beacon validation code was discovered. The code does not check the length of the variable length elements in the beacon head potentially leading to a buffer overflow. System availability, as well as data confidentiality and integrity, can be impacted by this...