CVE-2025-38509

kernel: wifi: mac80211: reject VHT opmode for unsupported channel widths

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Severity

Moderate

Red Hat Product Security

4.7

CVSS 3.1

Review impact separately from score.

Published · August 16, 2025

Updated · September 11, 2026

Description

A flaw was found in the Linux kernel. Certain parameter checks were missing in wifi drivers that could result in a system crash.

CVSS score applicability

The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.

Mitigation

No mitigation is specified in collected source.

CVSS / CWE

CVSS 3.1 · 4.7
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H

CWE-229 · Improper Handling of Values