CVE-2023-21046 Information disclosure in Android

Medium 4.4 Published Updated

A local attacker with system privileges can read out-of-bounds memory in the Android kernel, 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-2023-21046?

CVE-2023-21046 is a medium-severity vulnerability in Google Android, published on 24 Mar 2023. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

In ConvertToHalMetadata of aidl_utils.cc, 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-253424924References: N/A

Weakness: CWE-787

Which versions are affected by CVE-2023-21046?

It affects 1 product.

Products include Google Android.

How do I fix CVE-2023-21046?

Apply the vendor's patch.

Is CVE-2023-21046 being exploited?

There is no known exploitation of CVE-2023-21046 in the wild and no public exploit code.

All Google Android vulnerabilities

Sources

Also known as A-253424924, GHSA-vrcj-9qv3-hv75, PUB-A-253424924.

Is CVE-2023-21046 in your software?

Upload an SBOM and sbomify checks it against every vulnerability here, every day.

Check your SBOMs for free