CVE-2021-46894

critical

Description

Use After Free (UAF) vulnerability in the uinput module.Successful exploitation of this vulnerability may lead to kernel privilege escalation.

References

https://euvd.enisa.europa.eu/vulnerability/EUVD-2021-33544

https://device.harmonyos.com/en/docs/security/update/security-bulletins-202307-0000001587168858

https://consumer.huawei.com/en/support/bulletin/2023/7/

Details

Source: Mitre, NVD

Published: 2023-07-06

Updated: 2026-06-17

Risk Information

CVSS v2

Base Score: 10

Vector: CVSS2#AV:N/AC:L/Au:N/C:C/I:C/A:C

Severity: Critical

CVSS v3

Base Score: 9.8

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

Severity: Critical

EPSS

EPSS: 0.0045