CVE-2022-21778 Information disclosure in MT6771, MT6779, MT6785, MT6853, MT6853T, MT6873, MT6877, MT6885, MT6891, MT6893, MT8168, MT8175, MT8183, MT8365, MT8385, MT8788

Medium 6.7 Published 8 Nov 2022 Updated 1 May 2025

A local attacker with system privileges can exploit an incorrect bounds check in the VPU to disclose information and escalate privileges.

Exploited in the wild: Not known
Login needed: An administrator
Attackable: Local or same network only
Victim action needed: Not needed
Fix: None listed

What is CVE-2022-21778?

CVE-2022-21778 is a medium-severity vulnerability in Google Android, published on 8 Nov 2022. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

In vpu, there is a possible information disclosure due to an incorrect bounds check. This could lead to local escalation of privilege with System execution privileges needed. User interaction is not needed for exploitation. Patch ID: ALPS06382421; Issue ID: ALPS06382421.

Weakness: CWE-125

Which versions are affected by CVE-2022-21778?

It affects 1 product.

Products include Google Android.

How do I fix CVE-2022-21778?

No fix has been published for CVE-2022-21778 yet. Limit exposure of the affected software until one is available.

Is CVE-2022-21778 being exploited?

There is no known exploitation of CVE-2022-21778 in the wild and no public exploit code.

All Google Android vulnerabilities

Sources

Also known as GHSA-8hwg-9379-6q79.