In the Linux kernel, the following vulnerability has been resolved: wifi: mac80211: validate individual TWT params before driver setup …
CVE-2026-80722 · published 28 Aug 2026
How serious is it
- Severity: high, CVSS score 8.8 out of 10.
- No exploit prediction (EPSS) score yet.
- Not on the CISA list of exploited vulnerabilities.
- No public exploit in Exploit-DB.
Is your app affected by CVE-2026-80722?
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Who is affected
- Linux Linux: 5.15
How to check
- Find out whether you run the affected product and which version, then compare it with the versions above.
How to fix
Copies a prompt for Claude Code, Cursor or Codex that asks it to check whether you run this product.
- Apply the vendor's update or mitigation from the references below. If there is none yet, limit exposure of the affected service until there is.
- If a vulnerable version was live, check your logs and rotate the secrets that server could read.
The advisory
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]
Check your whole app
Dependencies are only half of it. Free and read-only: before you push, run npx shippable-dev scan localhost:3000 in your project folder, no account needed. For your live app, you prove it's yours with a one-line tag first.
References
- git.kernel.org/stable/c/0502d5077e419427d80f4d46ba95d0067f5fb916
- git.kernel.org/stable/c/09d60d1f72e6598241490eb6c4e97245af895c09
- git.kernel.org/stable/c/47fb04c3826e1f90271d405523043d6708b9072a
- git.kernel.org/stable/c/92fcd0f30dc8e51f252589b082d46851d295cc1a
- git.kernel.org/stable/c/ade9e2f0f7f4d3089600ac2af8ef0b91746f923b
- git.kernel.org/stable/c/b558e07708d886acfcf4b0391ed7a8546e81d326
- git.kernel.org/stable/c/ff558072d199c1d641d1561da622e67f780514de
Merged from NVD. Last updated 24 Oct 2026. All vulnerabilities · RSS · JSON