CVE-2025-5324 TechPowerUp GPU-Z 0x8000645C IOCTL GPU-Z.sys sub_140001880 memory leak
A local attacker can trigger a memory leak in GPU-Z via a specific IOCTL, potentially causing 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-2025-5324?
CVE-2025-5324 is a medium-severity denial of service vulnerability in TechPowerUp GPU-Z, published on 29 May 2025. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
A vulnerability, which was classified as problematic, was found in TechPowerUp GPU-Z 2.23.0. Affected is the function sub_140001880 in the library GPU-Z.sys of the component 0x8000645C IOCTL Handler. The manipulation leads to memory leak. It is possible to launch the attack on the local host. The exploit has been disclosed to the public and may be used. The vendor was contacted early about this disclosure but did not respond in any way.
Which versions are affected by CVE-2025-5324?
How do I fix CVE-2025-5324?
No fix has been published for CVE-2025-5324 yet. Limit exposure of the affected software until one is available.
Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.
Is CVE-2025-5324 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2025-5324 exists.
Sources
Also known as GHSA-65p9-x3qj-q764.