CVE-2021-1050 Memory corruption in Android
A missing bounds check in the PowerVR kernel driver allows local attackers to perform an out-of-bounds write, leading to privilege escalation.
- 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-2021-1050?
CVE-2021-1050 is a high-severity memory corruption vulnerability in Google Android, published on 8 Nov 2022. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
In MMU_UnmapPages of the PowerVR kernel driver, 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 SoCAndroid ID: A-243825200
Weakness: CWE-787
Which versions are affected by CVE-2021-1050?
It affects 1 product.
Products include Google Android.
How do I fix CVE-2021-1050?
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-2021-1050 being exploited?
There is no known exploitation of CVE-2021-1050 in the wild and no public exploit code.
Other vulnerabilities in Google Android
Sources
Also known as A-243825200, ASB-A-243825200, GHSA-vjw4-x6qj-hqcp.