CVE-2022-20476 Denial of service in Android
A local attacker can cause an Android device to enter an infinite reboot loop via resource exhaustion in PackageManager, requiring no privileges or 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-2022-20476?
CVE-2022-20476 is a medium-severity denial of service vulnerability in Google Android, published on 13 Dec 2022. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
In setEnabledSetting of PackageManager.java, there is a possible way to get the device into an infinite reboot loop due to resource exhaustion. This could lead to local denial of service with no additional execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android-10 Android-11 Android-12 Android-12LAndroid ID: A-240936919
Weakness: CWE-835
Which versions are affected by CVE-2022-20476?
It affects 1 product.
Products include Google Android.
How do I fix CVE-2022-20476?
Apply the vendor's patch.
Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.
Is CVE-2022-20476 being exploited?
There is no known exploitation of CVE-2022-20476 in the wild and no public exploit code.
Other vulnerabilities in Google Android
Sources
Also known as A-240936919, ASB-A-240936919, GHSA-vcrw-r7fp-q5gx, UBUNTU-CVE-2022-20476.