CVE-2026-46166

Last refreshed2026-10-17

Status: UPDATED | Advisory ID: CVE-2026-46166

Key Details

CVE	CVE-2026-46166
CVSS Score / Version	8.8 (High) / CVSS v3.1
Updated	2026-10-16
CVSS Vector	`CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H`
CVSS Prose	attack vector is adjacent; attack complexity is low; privileges required is none; user interaction is none; scope is unchanged; confidentiality impact is high; integrity impact is high; availability impact is high.
Affected products	Linux Kernel, Red Hat Enterprise Linux 10, Red Hat Enterprise Linux 10.0 Extended Update Support, Red Hat Enterprise Linux 9, and Red Hat Enterprise Linux 9.6 Extended Update Support
Classified as	CWE-416 (Use After Free)

Vendor	Product	Affected Versions	Patch Status
Linux	Linux Kernel
Red Hat	Red Hat Enterprise Linux 10
Red Hat	Red Hat Enterprise Linux 10.0 Extended Update Support
Red Hat	Red Hat Enterprise Linux 9
Red Hat	Red Hat Enterprise Linux 9.6 Extended Update Support

Vendor

Product

Affected Versions

Patch Status

Linux

Linux Kernel

Red Hat

Red Hat Enterprise Linux 10

Red Hat

Red Hat Enterprise Linux 10.0 Extended Update Support

Red Hat

Red Hat Enterprise Linux 9

Red Hat

Red Hat Enterprise Linux 9.6 Extended Update Support

Subsystems	OT Supporting Infrastructure
Sectors	All Sectors

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. (NVD)

Monitor Linux's and Red Hat's web pages for any future patch releases.

Source	Reference
NVD	https://nvd.nist.gov/vuln/detail/CVE-2026-46166
CVE	https://www.cve.org/CVERecord?id=CVE-2026-46166

Source

Reference

NVD

CVE