CVE-2022-32639 Memory corruption in MT6739, MT6768, MT6771, MT6781, MT6785, MT6833, MT6853, MT6873, MT6877, MT8167, MT8167S, MT8362A, MT8385, MT8518S, MT8532, MT8765, MT8786, MT8791

Medium 4.4 Published 3 Jan 2023 Updated 10 Apr 2025

A missing bounds check in the watchdog component allows local attackers with system privileges to escalate privileges via out-of-bounds read.

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-2022-32639?

CVE-2022-32639 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 watchdog, there is a possible out of bounds read 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: ALPS07494487; Issue ID: ALPS07494487.

Weakness: CWE-125

Which versions are affected by CVE-2022-32639?

It affects 1 product.

Products include Google Android.

How do I fix CVE-2022-32639?

No fix has been published for CVE-2022-32639 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-2022-32639 being exploited?

There is no known exploitation of CVE-2022-32639 in the wild and no public exploit code.

All Google Android vulnerabilities

Sources

Also known as GHSA-5428-jhfr-7hxg.