CVE-2021-22386 — HIGH (7.0)

Vulnerability Description

A component of the Huawei smartphone has a Double Free vulnerability. Local attackers may exploit this vulnerability to cause Root Elevation of Privileges.

CVSS Score

7.0

HIGH

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

Attack Vector

LOCAL

Attack Complexity

HIGH

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

HIGH

Integrity

HIGH

Availability

HIGH

Affected Products

Vendor	Product	Versions
Huawei	Emui	11.0.0
Huawei	Magic Ui	4.0.0

Related Weaknesses (CWE)

CWE-415

References

https://consumer.huawei.com/en/support/bulletin/2021/6/Vendor Advisory
https://device.harmonyos.com/cn/docs/security/update/oem_security_update_phone_2Third Party Advisory
https://consumer.huawei.com/en/support/bulletin/2021/6/Vendor Advisory
https://device.harmonyos.com/cn/docs/security/update/oem_security_update_phone_2Third Party Advisory

FAQ

What is CVE-2021-22386?

CVE-2021-22386 is a vulnerability with a CVSS score of 7.0 (HIGH). A component of the Huawei smartphone has a Double Free vulnerability. Local attackers may exploit this vulnerability to cause Root Elevation of Privileges.

How severe is CVE-2021-22386?

CVE-2021-22386 has been rated HIGH with a CVSS base score of 7.0/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2021-22386?

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