CVE-2021-0938 Information disclosure in Android
A local attacker can exploit uninitialized data in the Android kernel to disclose sensitive information without requiring user interaction or elevated privileges.
- 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-2021-0938?
CVE-2021-0938 is a medium-severity vulnerability in Google Android, published on 25 Oct 2021. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
In memzero_explicit of compiler-clang.h, there is a possible bypass of defense in depth due to uninitialized data. This could lead to local information disclosure with no additional execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android kernelAndroid ID: A-171418586References: Upstream kernel
Weakness: CWE-908
Which versions are affected by CVE-2021-0938?
It affects 1 product.
Products include Google Android.
How do I fix CVE-2021-0938?
Apply the vendor's patch.
Is CVE-2021-0938 being exploited?
There is no known exploitation of CVE-2021-0938 in the wild and no public exploit code.
Other vulnerabilities in Google Android
Sources
Also known as A-171418586, DEBIAN-CVE-2021-0938, GHSA-rp85-q33q-7f7m, PUB-A-171418586, UBUNTU-CVE-2021-0938.