CVE-2023-54207

kernel: HID: uclogic: Correct devm device reference for hidinput input_dev name

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Severity

Low

Red Hat Product Security

5.5

CVSS 3.1

Review impact separately from score.

Published · December 30, 2025

Updated · June 30, 2026

Description

A use-after-free was found in the UC-Logic HID tablet driver. The input device name memory is freed when the input device is unregistered, but subsequent uevents still reference this freed memory.

Statement

This affects systems using UC-Logic drawing tablets. The UAF occurs during device disconnection when a uevent references the freed name string. Physical access to connect/disconnect the tablet is required.

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-825 · Expired Pointer Dereference