CVE-2022-50740

kernel: Linux kernel: Denial of Service in ath9k Wi-Fi driver due to URB memory leak

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Severity

Moderate

Red Hat Product Security

5.5

CVSS 3.1

Review impact separately from score.

Published · December 24, 2025

Updated · July 22, 2026

Description

A flaw was found in the Linux kernel's ath9k Wi-Fi driver. This memory leak vulnerability occurs because Universal Serial Bus (USB) request blocks (URBs) are allocated but not properly freed when certain conditions are met during USB device handling. A local attacker could exploit this by triggering the specific USB device handling, leading to a denial of service due to resource exhaustion.

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