CVE-2021-47268

kernel: usb: typec: tcpm: cancel vdm and state machine hrtimer when unregister tcpm port

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Severity

Moderate

Red Hat Product Security

7.8

CVSS 3.1

Review impact separately from score.

Published · May 21, 2024

Updated · November 21, 2025

Description

A vulnerability was found in the Linux kernel's USB Type-C port management. When the port is unregistered, a timer may still be active, potentially leading to a kernel crash.

Statement

None of the products shipped by Red Hat are 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

Red Hat has investigated whether a possible mitigation exists for this issue, and has not been able to identify a practical example. Please update the affected package as soon as possible.

CVSS / CWE

CVSS 3.1 · 7.8
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

CWE not specified