CVE-2026-68310

kernel: wifi: mt76: mt7915: guard HE capability lookups

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Severity

Moderate

Red Hat Product Security

5.5

CVSS 3.1

Review impact separately from score.

Published · August 10, 2026

Updated · August 31, 2026

Description

A flaw was found in the Linux kernel's mt76 wifi driver. This vulnerability arises from improper handling of High Efficiency (HE) capability lookups, where a null pointer could be dereferenced. This could lead to a system crash, resulting in a Denial of Service (DoS).

Statement

This issue affects MediaTek mt7915 Wi-Fi hardware. HE PHY capability lookups were not guarded against NULL returns before dereferencing in MCU TLV setup. Systems without mt7915 hardware are not affected.

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 · 5.5
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

CWE-476 · NULL Pointer Dereference