PT-2026-44289 · Linux · Linux

Published 2026-05-28 · Updated 2026-05-28 · CVE-2026-46166

NVD

CVSS v3.1

8.8

High

Base vector

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

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.

Fix

Related Identifiers

CVE-2026-46166

Affected Products

Linux

References · 5

• https://nvd.nist.gov/vuln/detail/CVE-2026-46166 · Security Note
• https://git.kernel.org/stable/c/120149fb3ebcf674832ca3cafd32bedcdb686dde · Note
• https://git.kernel.org/stable/c/887ece6c23b49d02a6678e7a8d5ad213d75883ce · Note
• https://git.kernel.org/stable/c/ac8eb3e18f41e2cc8492cc1d358bcb786c850270 · Note
• https://git.kernel.org/stable/c/7577a4b8a10fab45a6ee2045ea038a5adadbb585 · Note