Vulnerability 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.
CVSS Score
HIGH
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Linux | Linux Kernel | >= 6.12, < 6.12.88 |
Related Weaknesses (CWE)
References
- https://git.kernel.org/stable/c/120149fb3ebcf674832ca3cafd32bedcdb686ddePatch
- https://git.kernel.org/stable/c/7577a4b8a10fab45a6ee2045ea038a5adadbb585Patch
- https://git.kernel.org/stable/c/887ece6c23b49d02a6678e7a8d5ad213d75883cePatch
- https://git.kernel.org/stable/c/ac8eb3e18f41e2cc8492cc1d358bcb786c850270Patch
- https://access.redhat.com/errata/RHSA-2026:27288
- https://access.redhat.com/errata/RHSA-2026:27708
- https://access.redhat.com/errata/RHSA-2026:27789
- https://access.redhat.com/errata/RHSA-2026:33215
- https://access.redhat.com/security/cve/CVE-2026-46166
- https://bugzilla.redhat.com/show_bug.cgi?id=2482645
- https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-46166.json
FAQ
What is CVE-2026-46166?
CVE-2026-46166 is a vulnerability with a CVSS score of 8.8 (HIGH). 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 t...
How severe is CVE-2026-46166?
CVE-2026-46166 has been rated HIGH with a CVSS base score of 8.8/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2026-46166?
Check the references section above for vendor advisories and patch information. Affected products include: Linux Linux Kernel.