CVE-2025-71224: wifi: mac80211: ocb: skip rx_no_sta when interface is not joined

Severity: unknown
Exploited in the wild: not listed in CISA KEV
EPSS: 0.2% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2026-02-14 · updated 2026-06-17

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.

Affected products

Linux kernel: 3.19 — fixed in 6.19

How to fix

Upgrade to a fixed version: Linux kernel 6.19. Check the vendor advisory for mitigations.

References

https://git.kernel.org/stable/c/536447521b3b9be1975c7f1db9054bdf2ab779cb
https://git.kernel.org/stable/c/8fd1c63e016893b7f6c1cf799410da4eaa98c090
https://git.kernel.org/stable/c/b04c75366a5471ae2dd7f4c33b7f1e2c08b9b32d
https://git.kernel.org/stable/c/e0bd226804f8e0098711042c93d64f3b720b36c0
https://git.kernel.org/stable/c/fcc768760df08337525cde28e8460e36f9855af8
https://git.kernel.org/stable/c/ff4071c60018a668249dc6a2df7d16330543540e
https://git.kernel.org/stable/c/ffe1e19c3b0e5b9eb9e04fad4bce7d1dc407fd77

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