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CVE-2026-53102

kernel: wifi: mt76: Fix memory leak after mt76_connac_mcu_alloc_sta_req()

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Severity

Low

Red Hat Product Security

5.5

CVSS 3.1

Review impact separately from score.

Published · June 24, 2026

Updated · July 22, 2026

Description

A flaw was found in the Linux kernel's mt76 Wi-Fi driver. This vulnerability, a memory leak, occurs when the mt76_connac_mcu_alloc_sta_req() function allocates a socket buffer (skb) that is not properly freed if subsequent operations, such as mt76_connac_mcu_sta_wed_update() or mt76_connac_mcu_sta_key_tlv(), fail. This can lead to a gradual consumption of system memory, potentially impacting system stability and performance over time.

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-772 · Missing Release of Resource after Effective Lifetime