CVEvulnerability
CVE-2026-46166
8.8 HIGH
Official page ↗
- Status
- Modified
- Published
- 2026-05-28
- Last modified
- 2026-10-19
- Assigner
- 416baaa9-dc9f-4396-8d5f-8c081fb06d67
- CVSS 3.1 (416baaa9-dc9f-4396-8d5f-8c081fb06d67)
- 8.8 HIGH — CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- CVSS 3.1 (0b0ca135-0b70-47e7-9f44-1890c2a1c46c)
- 7.0 HIGH — CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
- Weaknesses
- CWE-416, CWE-825
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 configurations
• linux linux kernel (>= 6.12 < 6.12.88)
• linux linux kernel (>= 6.13 < 6.18.30)
• linux linux kernel (>= 6.19 < 7.0.7)
• linux linux kernel 7.1
Related
References
- https://git.kernel.org/stable/c/120149fb3ebcf674832ca3cafd32bedcdb686dde Patch
- https://git.kernel.org/stable/c/7577a4b8a10fab45a6ee2045ea038a5adadbb585 Patch
- https://git.kernel.org/stable/c/887ece6c23b49d02a6678e7a8d5ad213d75883ce Patch
- https://git.kernel.org/stable/c/ac8eb3e18f41e2cc8492cc1d358bcb786c850270 Patch
- https://access.redhat.com/errata/RHSA-2026:27288 access.redhat.com
- https://access.redhat.com/errata/RHSA-2026:27708 access.redhat.com
- https://access.redhat.com/errata/RHSA-2026:27789 access.redhat.com
- https://access.redhat.com/errata/RHSA-2026:33215 access.redhat.com
- https://access.redhat.com/security/cve/CVE-2026-46166 access.redhat.com
- https://bugzilla.redhat.com/show_bug.cgi?id=2482645 bugzilla.redhat.com
- https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-46166.json security.access.redhat.com