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CVE-2026-46166

wifi: mac80211: use safe list iteration in radar detect work

CVSS 8.8 HIGHEPSS 0.3%
In the Linux kernel, the following vulnerability has been resolved: wifi: mac80211: use safe list iteration in radar detect work The call to ieee80211_dfs_cac_cancel can cause the iterated chanctx to be freed and removed from the list. Guard against this to avoid a slab-use-after-free error.
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Affected products
Linux · Linux

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References
https://git.kernel.org/stable/c/120149fb3ebcf674832ca3cafd32bedcdb686ddehttps://git.kernel.org/stable/c/7577a4b8a10fab45a6ee2045ea038a5adadbb585https://git.kernel.org/stable/c/887ece6c23b49d02a6678e7a8d5ad213d75883cehttps://git.kernel.org/stable/c/ac8eb3e18f41e2cc8492cc1d358bcb786c850270