CVE-2023-20736 Race condition in MT6768, MT6769, MT6779, MT6781, MT6785, MT6789, MT6833, MT6853, MT6853T, MT6873, MT6875, MT6877, MT6883, MT6885, MT6889, MT6891, MT6893, MT8168, MT8365, MT8395

Medium 6.4 Published 6 Jun 2023 Updated 7 Jan 2025

A race condition in MediaTek vcu allows local attackers with system privileges to achieve privilege escalation via out-of-bounds write.

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-2023-20736?

CVE-2023-20736 is a medium-severity vulnerability in Google Android, published on 6 Jun 2023. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

In vcu, there is a possible out of bounds write due to a race condition. This could lead to local escalation of privilege with System execution privileges needed. User interaction is not needed for exploitation. Patch ID: ALPS07645149; Issue ID: ALPS07645189.

Weakness: CWE-787, CWE-362

Which versions are affected by CVE-2023-20736?

It affects 3 products.

Products include Google Android, Linuxfoundation Iot-Yocto, Linuxfoundation Yocto.

How do I fix CVE-2023-20736?

No fix has been published for CVE-2023-20736 yet. Limit exposure of the affected software until one is available.

Is CVE-2023-20736 being exploited?

There is no known exploitation of CVE-2023-20736 in the wild and no public exploit code.

All Google Android vulnerabilities

Sources

Also known as GHSA-gfm6-qmcf-p3pc.