CVE-2023-21155 Information disclosure in Android

Medium 5.5 Published Updated

A missing null check in the Android kernel allows local attackers to read out-of-bounds memory, leading to information disclosure without user interaction.

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-2023-21155?

CVE-2023-21155 is a medium-severity vulnerability in Google Android, published on 28 Jun 2023. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

In BuildSetRadioNode of protocolmiscbuilder.cpp, there is a possible out of bounds read due to a missing null check. 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-264540700References: N/A

Weakness: CWE-125

Which versions are affected by CVE-2023-21155?

It affects 1 product.

Products include Google Android.

How do I fix CVE-2023-21155?

Apply the vendor's patch.

Is CVE-2023-21155 being exploited?

There is no known exploitation of CVE-2023-21155 in the wild and no public exploit code.

All Google Android vulnerabilities

Sources

Also known as A-264540700, GHSA-xfp3-fcw3-hf83, PUB-A-264540700.

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