CVE-2023-21381 Use after free in Android

High 7.8 Published 30 Oct 2023 Updated 6 Sep 2024

Local attackers can achieve arbitrary code execution and privilege escalation via a use-after-free flaw in the Android Media Resource Manager.

Exploited in the wild: Not known
Login needed: Any signed-in user
Attackable: Local or same network only
Victim action needed: Not needed
Fix: None listed

What is CVE-2023-21381?

CVE-2023-21381 is a high-severity use after free vulnerability in Google Android, published on 30 Oct 2023. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

In Media Resource Manager, there is a possible local arbitrary code execution due to use after free. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.

Weakness: CWE-416

Which versions are affected by CVE-2023-21381?

It affects 1 product.

Products include Google Android.

How do I fix CVE-2023-21381?

No fix has been published for CVE-2023-21381 yet. Limit exposure of the affected software until one is available.

Upgrade to the fixed version. These bugs are found with fuzzing and sanitisers and avoided by memory-safe languages. More about Use after free.

Is CVE-2023-21381 being exploited?

There is no known exploitation of CVE-2023-21381 in the wild and no public exploit code.

All Google Android vulnerabilities

Sources

Also known as GHSA-x6m2-5jqg-m646.