CVE-2021-47021

kernel: mt76: mt7915: fix memleak when mt7915_unregister_device()

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Severity

Moderate

Red Hat Product Security

5.5

CVSS 3.1

Review impact separately from score.

Published · February 28, 2024

Updated · November 21, 2025

Description

A flaw was found in the mt7915e module in the Linux kernel. A memory leak can occur when a device is unregistered, potentially impacting system performance and possibly resulting in a denial of service.

Statement

The mt7915e module is not built in the kernel shipped in Red Hat Enterprise Linux 8 and 9, so it is not affected by this vulnerability.

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-401 · Missing Release of Memory after Effective Lifetime