CVE-2022-20554 Use after free in Android
A use-after-free vulnerability in Android's InputDevice.cpp allows local attackers with system privileges to escalate privileges.
- Exploited in the wild
- Not known
- Login needed
- An administrator
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2022-20554?
CVE-2022-20554 is a medium-severity use after free vulnerability in Google Android, published on 16 Dec 2022. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
In removeEventHubDevice of InputDevice.cpp, there is a possible OOB read due to a use after free. This could lead to local escalation of privilege with System execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android-13Android ID: A-245770596
Weakness: CWE-416
Which versions are affected by CVE-2022-20554?
It affects 1 product.
Products include Google Android.
How do I fix CVE-2022-20554?
Apply the vendor's patch.
Upgrade to the fixed version. These bugs are found with fuzzing and sanitisers and avoided by memory-safe languages. More about Use after free.
Is CVE-2022-20554 being exploited?
There is no known exploitation of CVE-2022-20554 in the wild and no public exploit code.
Other vulnerabilities in Google Android
Sources
Also known as A-245770596, GHSA-4phr-7mh9-vvgh, PUB-A-245770596.