CVE-2021-46894 — CRITICAL (9.8)

Vulnerability Description

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

CVSS Score

9.8

CRITICAL

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

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

HIGH

Integrity

HIGH

Availability

HIGH

Affected Products

Vendor	Product	Versions
Huawei	Emui	12.0.0
Huawei	Harmonyos	2.0.0

Related Weaknesses (CWE)

CWE-269 CWE-416

References

https://consumer.huawei.com/en/support/bulletin/2023/7/Vendor Advisory
https://device.harmonyos.com/en/docs/security/update/security-bulletins-202307-0Vendor Advisory
https://consumer.huawei.com/en/support/bulletin/2023/7/Vendor Advisory
https://device.harmonyos.com/en/docs/security/update/security-bulletins-202307-0Vendor Advisory

FAQ

What is CVE-2021-46894?

CVE-2021-46894 is a vulnerability with a CVSS score of 9.8 (CRITICAL). Use After Free (UAF) vulnerability in the uinput module.Successful exploitation of this vulnerability may lead to kernel privilege escalation.

How severe is CVE-2021-46894?

CVE-2021-46894 has been rated CRITICAL with a CVSS base score of 9.8/10. This is considered a critical vulnerability requiring immediate attention.

Is there a patch for CVE-2021-46894?

Check the references section above for vendor advisories and patch information. Affected products include: Huawei Emui, Huawei Harmonyos.