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.
SeverityHigh
CVSS8.8
Exploit probability—
Product
Linux Kernel
PublishedMay 28, 2026
First seenMay 28, 2026
Weakness typeCWE-825CWE-825CWE-416Use after free
How to fix
Update
- linux linux_kernel6.12.88, 6.18.30, 7.0.7 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| linux linux_kernel | 6.12 ≤ v < 6.12.88, 6.13 ≤ v < 6.18.30, 6.19 ≤ v < 7.0.7, 7.1 | 6.12.88, 6.18.30, 7.0.7 |
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