CVE-2022-50247

Updated on 15 Sep 2025

Severity

5.5 Medium severity

Details

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

Overview

About vulnerability

In the Linux kernel, the following vulnerability has been resolved:

usb: xhci-mtk: fix leakage of shared hcd when fail to set wakeup irq

Can not set the @shared_hcd to NULL before decrease the usage count by usb_put_hcd(), this will cause the shared hcd not released.

Details

Affected packages:
kernel @ 4.18.0 (+4 more)

In the Linux kernel, the following vulnerability has been resolved:

usb: xhci-mtk: fix leakage of shared hcd when fail to set wakeup irq

Can not set the @shared_hcd to NULL before decrease the usage count by usb_put_hcd(), this will cause the shared hcd not released.

Fixes