CVE-2022-20412 Memory corruption in Android
A local attacker with system privileges can exploit an out-of-bounds read in the device tree parser to escalate privileges on Android devices.
- 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-2022-20412?
CVE-2022-20412 is a medium-severity memory corruption vulnerability in Google Android, published on 11 Oct 2022. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
In fdt_next_tag of fdt.c, there is a possible out of bounds read due to an incorrect bounds check. This could lead to local escalation of privilege with System execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android-10 Android-11 Android-12 Android-12L Android-13Android ID: A-230794395
Weakness: CWE-125
Which versions are affected by CVE-2022-20412?
It affects 1 product.
Products include Google Android.
How do I fix CVE-2022-20412?
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-2022-20412 being exploited?
There is no known exploitation of CVE-2022-20412 in the wild and no public exploit code.
Other vulnerabilities in Google Android
Sources
Also known as A-230794395, ASB-A-230794395, GHSA-mm67-rq52-jpj4.