CVE-2025-20077 Denial of service in Intel(R) reference server platforms
A privileged local user can cause a denial of service in Intel reference server platforms due to a memory leak in the UEFI driver.
- Exploited in the wild
- Not known
- Login needed
- An administrator
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2025-20077?
CVE-2025-20077 is a medium-severity denial of service vulnerability in Intel(R) reference server platforms, published on 12 Aug 2025. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
Missing release of memory after effective lifetime in the UEFI OobRasMmbiHandlerDriver module for some Intel(R) reference server platforms may allow a privileged user to enable denial of service via local access.
Weakness: CWE-401
Which versions are affected by CVE-2025-20077?
How do I fix CVE-2025-20077?
No fix has been published for CVE-2025-20077 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-2025-20077 being exploited?
There is no known exploitation of CVE-2025-20077 in the wild and no public exploit code.
Sources
Also known as GHSA-3274-2965-22fp.