CVE-2023-5447 Use-After-Free in Service for Hardware Support App for Fingerprint Driver
A missing lock check in the Synaptics Hardware Support App service can cause a use-after-free, leading to service termination and denial of service.
- 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-2023-5447?
CVE-2023-5447 is a medium-severity use after free vulnerability in Synaptics Fingerprint Driver, published on 11 May 2024. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
Missing lock check in SynHsaService may create a use-after-free condition which causes abnormal termination of the service, resulting in denial of service for the Synaptics Hardware Support App.
Which versions are affected by CVE-2023-5447?
How do I fix CVE-2023-5447?
No fix has been published for CVE-2023-5447 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-2023-5447 being exploited?
There is no known exploitation of CVE-2023-5447 in the wild and no public exploit code.
Sources
Also known as GHSA-frfw-jrj7-8fg6.