CVE-2026-46166

high

Description

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.

References

https://git.kernel.org/stable/c/ac8eb3e18f41e2cc8492cc1d358bcb786c850270

https://git.kernel.org/stable/c/887ece6c23b49d02a6678e7a8d5ad213d75883ce

https://git.kernel.org/stable/c/7577a4b8a10fab45a6ee2045ea038a5adadbb585

https://git.kernel.org/stable/c/120149fb3ebcf674832ca3cafd32bedcdb686dde

Details

Source: Mitre, NVD

Published: 2026-05-28

Updated: 2026-05-30

Risk Information

CVSS v2

Base Score: 8.3

Vector: CVSS2#AV:A/AC:L/Au:N/C:C/I:C/A:C

Severity: High

CVSS v3

Base Score: 8.8

Vector: CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Severity: High

EPSS

EPSS: 0.00018