CVE-2021-39730 Information disclosure in Android

Medium 4.4 Published Updated

A missing bounds check in the Android kernel allows local attackers with system privileges to read out-of-bounds memory, 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-2021-39730?

CVE-2021-39730 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 TBD of TBD, there is a possible out of bounds read due to a missing 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-206472503References: N/A

Weakness: CWE-125

Which versions are affected by CVE-2021-39730?

It affects 1 product.

Products include Google Android.

How do I fix CVE-2021-39730?

Apply the vendor's patch.

Is CVE-2021-39730 being exploited?

There is no known exploitation of CVE-2021-39730 in the wild and no public exploit code.

All Google Android vulnerabilities

Sources

Also known as A-206472503, GHSA-qr54-j3cj-43pg, PUB-A-206472503.

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