CVE-2023-21031 Race condition in Android
A race condition in Android's HWC2 component allows local attackers to read out-of-bounds memory, leading to information disclosure without user interaction.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2023-21031?
CVE-2023-21031 is a medium-severity vulnerability in Google Android, published on 24 Mar 2023. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
In setPowerMode of HWC2.cpp, there is a possible out of bounds read due to a race condition. This could lead to local information disclosure with no additional execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android-13Android ID: A-242688355
Which versions are affected by CVE-2023-21031?
It affects 1 product.
Products include Google Android.
How do I fix CVE-2023-21031?
Apply the vendor's patch.
Is CVE-2023-21031 being exploited?
There is no known exploitation of CVE-2023-21031 in the wild and no public exploit code.
Other vulnerabilities in Google Android
Sources
Also known as A-242688355, GHSA-6ccc-rrj9-234c, PUB-A-242688355, UBUNTU-CVE-2023-21031.