CVE-2026-46166

Severity CVSS v4.0:

Pending analysis

Type:

CWE-416 Use After Free

Publication date:

28/05/2026

Last modified:

15/07/2026

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.

Impact

Vector 3.x

CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H CVSS v3.1 Severity and Metrics:

Base Score: 8.80 HIGH
Vector: CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Attack Vector (AV): Adjacent
Attack Complexity (AC): Low
Privileges Required (PR): None
User Interaction (UI): None
Scope (S): Unchanged
Confidentiality (C): High
Integrity (I): High
Availability (A): High

Base Score 3.x

8.80

Severity 3.x

HIGH

Vulnerable products and versions

CPE	From	Up to
cpe:2.3:o:linux:linux_kernel::::::::	6.12 (including)	6.12.88 (excluding)
cpe:2.3:o:linux:linux_kernel::::::::	6.13 (including)	6.18.30 (excluding)
cpe:2.3:o:linux:linux_kernel::::::::	6.19 (including)	7.0.7 (excluding)
cpe:2.3:o:linux:linux_kernel:7.1:rc1::::::
cpe:2.3:o:linux:linux_kernel:7.1:rc2::::::

To consult the complete list of CPE names with products and versions, see this page

CVE-2026-46166

Description

Impact

Vulnerable products and versions

References to Advisories, Solutions, and Tools