CVE-2026-80722 - wifi: mac80211: validate individual TWT params before driver setup

CVE-2026-80722 - wifi: mac80211: validate individual TWT params before driver setup

https://cvefeed.io/rssfeed/latest.atom / Fri, 08/28/2026 - 13:28
CVE ID :CVE-2026-80722
Published : Aug. 28, 2026, 8:16 a.m. | 2 hours, 13 minutes ago
Description :In the Linux kernel, the following vulnerability has been resolved: wifi: mac80211: validate individual TWT params before driver setup ieee80211_process_rx_twt_action() only partially validates a received S1G TWT setup frame before queueing it. An individual agreement can therefore reach ieee80211_s1g_rx_twt_setup() with twt->length too short for the full struct ieee80211_twt_params. The individual path passes twt to drv_add_twt_setup(). Both the tracepoint and the driver callback consume the complete parameters block, not merely req_type. Do not pass a short individual agreement to the driver. Broadcast agreements remain unchanged because they are rejected locally after accessing only req_type. [edit commit message to not overclaim lack of validation nor understate driver impact]
Severity: 0.0 | NA
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