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CVE-2026-23315

kernel: wifi: mt76: Fix possible oob access in mt76_connac2_mac_write_txwi_80211()

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Severity

Moderate

Red Hat Product Security

5.5

CVSS 3.1

Review impact separately from score.

Published · March 25, 2026

Updated · June 28, 2026

Description

A flaw was found in the Linux kernel's mt76 Wi-Fi driver. This vulnerability, an out-of-bounds (OOB) access, occurs due to an insufficient check of frame length before accessing management fields within the mt76_connac2_mac_write_txwi_80211() function. An attacker could potentially exploit this to cause memory corruption, which may lead to system instability or a denial of service (DoS).

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-787 · Out-of-bounds Write