CVE-2026-46166
wifi: mac80211: use safe list iteration in radar detect work
CVSS Score
8.8
EPSS Score
0.0%
EPSS Percentile
0th
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.
| Vendor | linux |
| Product | linux |
| Ecosystems | |
| Industries | Technology |
| Published | May 28, 2026 |
| Last Updated | May 30, 2026 |
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CVSS v3 Breakdown
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability
Affected Versions
Linux / Linux
bca8bc0399ac2efd56e6adbed0307e10125a556c < 887ece6c23b49d02a6678e7a8d5ad213d75883ce bca8bc0399ac2efd56e6adbed0307e10125a556c < 7577a4b8a10fab45a6ee2045ea038a5adadbb585 bca8bc0399ac2efd56e6adbed0307e10125a556c < 120149fb3ebcf674832ca3cafd32bedcdb686dde bca8bc0399ac2efd56e6adbed0307e10125a556c < ac8eb3e18f41e2cc8492cc1d358bcb786c850270
Linux / Linux
6.12
References
git.kernel.org: https://git.kernel.org/stable/c/887ece6c23b49d02a6678e7a8d5ad213d75883ce git.kernel.org: https://git.kernel.org/stable/c/7577a4b8a10fab45a6ee2045ea038a5adadbb585 git.kernel.org: https://git.kernel.org/stable/c/120149fb3ebcf674832ca3cafd32bedcdb686dde git.kernel.org: https://git.kernel.org/stable/c/ac8eb3e18f41e2cc8492cc1d358bcb786c850270