CVE-2021-39711 Information disclosure in Android
A local attacker with system execution privileges can exploit an out-of-bounds read in the Android kernel to disclose sensitive information.
- 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-2021-39711?
CVE-2021-39711 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 bpf_prog_test_run_skb of test_run.c, there is a possible out of bounds read due to Incorrect Size Value. 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-154175781References: Upstream kernel
Weakness: CWE-125
Which versions are affected by CVE-2021-39711?
It affects 1 product.
Products include Google Android.
How do I fix CVE-2021-39711?
Apply the vendor's patch.
Is CVE-2021-39711 being exploited?
There is no known exploitation of CVE-2021-39711 in the wild and no public exploit code.
Other vulnerabilities in Google Android
Sources
Also known as A-154175781, DEBIAN-CVE-2021-39711, GHSA-8g4m-8c8j-3c2f, PUB-A-154175781, UBUNTU-CVE-2021-39711.