CVE-2021-0919 Integer overflow in Android
An integer overflow in Android's service manager allows local attackers to cause a denial of service, rendering the lockscreen unusable.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Local or same network only
- Victim action needed
- A user has to click or open something
- Fix
- Available
What is CVE-2021-0919?
CVE-2021-0919 is a medium-severity vulnerability in Google Android, published on 15 Dec 2021. It can only be exploited from the same machine or local network, and only if a user opens a file or follows a link.
Official description
In getService of IServiceManager.cpp, there is a possible unhandled exception due to an integer overflow. This could lead to local denial of service making the lockscreen unusable with no additional execution privileges needed. User interaction is needed for exploitation.Product: AndroidVersions: Android-10 Android-11 Android-9Android ID: A-197336441
Weakness: CWE-190
Which versions are affected by CVE-2021-0919?
It affects 1 product.
Products include Google Android.
How do I fix CVE-2021-0919?
Apply the vendor's patch.
Is CVE-2021-0919 being exploited?
There is no known exploitation of CVE-2021-0919 in the wild and no public exploit code.
Other vulnerabilities in Google Android
Sources
Also known as A-197336441, ASB-A-197336441, GHSA-m3vj-6h83-w76q.