CVE-2023-40088 Use after free in Android

High 8.8 Published Updated

A use-after-free vulnerability in Android's Bluetooth service allows remote attackers to execute arbitrary code without user interaction or privileges.

Exploited in the wild
Not known
Login needed
Not needed
Attackable
Local or same network only
Victim action needed
Not needed
Fix
Available

What is CVE-2023-40088?

CVE-2023-40088 is a high-severity use after free vulnerability in Google Android, published on 4 Dec 2023. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

In callback_thread_event of com_android_bluetooth_btservice_AdapterService.cpp, there is a possible memory corruption due to a use after free. This could lead to remote (proximal/adjacent) code execution with no additional execution privileges needed. User interaction is not needed for exploitation.

Weakness: CWE-416

Which versions are affected by CVE-2023-40088?

It affects 1 product.

Products include Google Android.

How do I fix CVE-2023-40088?

Apply the vendor's patch.

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-2023-40088 being exploited?

There is no known exploitation of CVE-2023-40088 in the wild and no public exploit code.

All Google Android vulnerabilities

Sources

Also known as A-291500341, ASB-A-291500341, GHSA-6hr2-x3v6-jp3r.

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