CVE-2021-39722 Information disclosure in Android
A local attacker with system privileges can read out-of-bounds memory in the Android protocol stack adapter, leading to information disclosure.
- 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-2021-39722?
CVE-2021-39722 is a medium-severity vulnerability in Google Android, published on 16 Mar 2022. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
In ProtocolStkProactiveCommandAdapter::Init of protocolstkadapter.cpp, there is a possible out of bounds read due to an incorrect bounds check. This could lead to local information disclosure with System execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android kernelAndroid ID: A-204585345References: N/A
Weakness: CWE-125
Which versions are affected by CVE-2021-39722?
It affects 1 product.
Products include Google Android.
How do I fix CVE-2021-39722?
Apply the vendor's patch.
Is CVE-2021-39722 being exploited?
There is no known exploitation of CVE-2021-39722 in the wild and no public exploit code.
Other vulnerabilities in Google Android
Sources
Also known as A-204585345, GHSA-c6xj-3pmx-mp9w, PUB-A-204585345.