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.
Affected products
linux: linux kernel
References10
- git.kernel.org/stable/c/120149fb3ebcf674832ca3cafd32bedcdb686dde Patch
- git.kernel.org/stable/c/7577a4b8a10fab45a6ee2045ea038a5adadbb585 Patch
- git.kernel.org/stable/c/887ece6c23b49d02a6678e7a8d5ad213d75883ce Patch
- git.kernel.org/stable/c/ac8eb3e18f41e2cc8492cc1d358bcb786c850270 Patch
- access.redhat.com/errata/RHSA-2026:27288
- access.redhat.com/errata/RHSA-2026:27708
- access.redhat.com/errata/RHSA-2026:27789
- access.redhat.com/errata/RHSA-2026:33215
- access.redhat.com/security/cve/CVE-2026-46166
- bugzilla.redhat.com/show_bug.cgi?id=2482645
Metrics
- CVSS 3.1
-
8.8
HIGH
Score source: CNA
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - EPSS — exploit probability
- 0% percentile: 10 · as of 15 November 2026
- CWE
- CWE-416CWE-825
Could this be exploited in your environment?
A patch closes the known hole. A penetration test shows what an attacker can still reach — with proof.