CVE-2022-20009 Memory corruption in Android
A missing bounds check in the Android kernel USB gadget subsystem allows local attackers to achieve privilege escalation via out-of-bounds write.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2022-20009?
CVE-2022-20009 is a medium-severity memory corruption vulnerability in Google Android, published on 10 May 2022. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
In various functions of the USB gadget subsystem, there is a possible out of bounds write due to a missing bounds check. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android kernelAndroid ID: A-213172319References: Upstream kernel
Weakness: CWE-787
Which versions are affected by CVE-2022-20009?
It affects 1 product.
Products include Google Android.
How do I fix CVE-2022-20009?
Apply the vendor's patch.
Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.
Is CVE-2022-20009 being exploited?
There is no known exploitation of CVE-2022-20009 in the wild and no public exploit code.
Public exploit code: 1 proofs of concept on GitHub.
Other vulnerabilities in Google Android
Sources
Also known as A-213172319, ASB-A-213172319, GHSA-h8pf-v7pg-7jw9, UBUNTU-CVE-2022-20009.