UNKNOWN NVD
CVE-2026-98891
In the Linux kernel, the following vulnerability has been resolved: wifi: mac80211: validate deauth frame length before reason access ieee80211_rx_mgmt_deauth
In the Linux kernel, the following vulnerability has been resolved:
wifi: mac80211: validate deauth frame length before reason access
ieee80211_rx_mgmt_deauth() reads the deauth reason code before checking
that the fixed field is actually present in the received frame.
Validate the deauth frame length first and only then read the reason
code.
References
- https://git.kernel.org/stable/c/4a360c6e18dfa9d70006c7247a6a8cc8dfe0d60f
- https://git.kernel.org/stable/c/51092dc769f021e9634474e1bd5a561da477fbdb
- https://git.kernel.org/stable/c/7a5ef1fd654d0e90d59aa32c881789c8bcc4125a
- https://git.kernel.org/stable/c/80d1a110e9096b5bf41497f6b151154084862385
- https://git.kernel.org/stable/c/9df64ad43e1f2c036667bba2bf385e9d7b3af564
This unknown severity vulnerability was published on 2026-10-23 via NVD.
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