CVE-2025-71224 wifi: mac80211: ocb: skip rx_no_sta when interface is not joined
A null pointer dereference in the Linux kernel's mac80211 OCB RX path can cause a system crash when receiving packets before the interface is joined.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2025-71224?
CVE-2025-71224 is a vulnerability in Linux, published on 14 Feb 2026. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
In the Linux kernel, the following vulnerability has been resolved:
wifi: mac80211: ocb: skip rx_no_sta when interface is not joined
ieee80211_ocb_rx_no_sta() assumes a valid channel context, which is only present after JOIN_OCB.
RX may run before JOIN_OCB is executed, in which case the OCB interface is not operational. Skip RX peer handling when the interface is not joined to avoid warnings in the RX path.
Which versions are affected by CVE-2025-71224?
How do I fix CVE-2025-71224?
Apply the vendor's patch.
Is CVE-2025-71224 being exploited?
There is no known exploitation of CVE-2025-71224 in the wild and no public exploit code.
Sources
Also known as AZL-77814, BELL-CVE-2025-71224, DEBIAN-CVE-2025-71224, GHSA-5w3w-6qf9-5hqm, ROOT-OS-DEBIAN-11-CVE-2025-71224, ROOT-OS-DEBIAN-12-CVE-2025-71224 and 4 more.