CVE-2026-46166

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

8.8CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

EPSS

0.2% chance of exploitation in the next 30 days; higher than 10% of CVEs (scores of 2026-10-25)

CWEs

CWE-416, CWE-825

Published

2026-05-28

Modified

2026-10-19

Record from

the NVD, synced 2026-10-21

Affected

• linux:linux_kernel

References

• https://git.kernel.org/stable/c/120149fb3ebcf674832ca3cafd32bedcdb686dde
• https://git.kernel.org/stable/c/7577a4b8a10fab45a6ee2045ea038a5adadbb585
• https://git.kernel.org/stable/c/887ece6c23b49d02a6678e7a8d5ad213d75883ce
• https://git.kernel.org/stable/c/ac8eb3e18f41e2cc8492cc1d358bcb786c850270
• https://access.redhat.com/errata/RHSA-2026:27288

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