CVE-2022-32646 Memory corruption in MT6761, MT6765, MT6768, MT6779, MT6781, MT6785, MT6789, MT6833, MT6853, MT6855, MT6873, MT6877, MT6879, MT6883, MT6885, MT6889, MT6893, MT6895, MT6983, MT8675, MT8766, MT8781, MT8791

Medium 6.7 Published 3 Jan 2023 Updated 10 Apr 2025

A missing bounds check in the MediaTek GPU driver allows local attackers with system privileges to cause a stack overflow 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-2022-32646?

CVE-2022-32646 is a medium-severity memory corruption vulnerability in Google Android, published on 3 Jan 2023. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

In gpu drm, there is a possible stack overflow due to a missing bounds check. This could lead to local escalation of privilege with System execution privileges needed. User interaction is not needed for exploitation. Patch ID: ALPS07363501; Issue ID: ALPS07363501.

Weakness: CWE-787

Which versions are affected by CVE-2022-32646?

It affects 1 product.

Products include Google Android.

How do I fix CVE-2022-32646?

No fix has been published for CVE-2022-32646 yet. Limit exposure of the affected software until one is available.

Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.

Is CVE-2022-32646 being exploited?

There is no known exploitation of CVE-2022-32646 in the wild and no public exploit code.

All Google Android vulnerabilities

Sources

Also known as GHSA-2cm4-gp34-f42x.