CVE-2022-42533 Integer overflow in Android

High 7.8 Published Updated

An integer overflow in Android's shared metadata initialization allows local attackers to escalate privileges 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-2022-42533?

CVE-2022-42533 is a high-severity vulnerability in Google Android, published on 17 Nov 2022. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

In shared_metadata_init of SharedMetadata.cpp, there is a possible out of bounds write due to an integer overflow. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android kernelAndroid ID: A-239415718References: N/A

Weakness: CWE-190

Which versions are affected by CVE-2022-42533?

It affects 1 product.

Products include Google Android.

How do I fix CVE-2022-42533?

Apply the vendor's patch.

Is CVE-2022-42533 being exploited?

There is no known exploitation of CVE-2022-42533 in the wild and no public exploit code.

All Google Android vulnerabilities

Sources

Also known as A-239415718, GHSA-cmmm-vqq3-x5g7, PUB-A-239415718.

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