CVE-2023-40103 Use after free in Android
A double free vulnerability in Android allows local attackers to escalate privileges without user interaction or additional execution privileges.
- 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-2023-40103?
CVE-2023-40103 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 multiple locations, there is a possible way to corrupt memory due to a double free. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.
Weakness: CWE-415
Which versions are affected by CVE-2023-40103?
It affects 1 product.
Products include Google Android.
How do I fix CVE-2023-40103?
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-2023-40103 being exploited?
There is no known exploitation of CVE-2023-40103 in the wild and no public exploit code.
Other vulnerabilities in Google Android
Sources
Also known as A-197260547, ASB-A-197260547, GHSA-q4wq-jhgh-jg2v.