CVE-2025-61554 Denial of service in n/a
Local attackers can crash the BitVisor hypervisor via crafted PCI access due to a divide-by-zero error in VirtIO emulation.
- 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-2025-61554?
CVE-2025-61554 is a medium-severity denial of service vulnerability in n/a, published on 16 Oct 2025. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
A divide-by-zero in VirtIO network device emulation in BitVisor from commit 108df6 (2020-05-20) to commit 480907 (2025-07-06) allows local attackers to cause a denial of service (host hypervisor crash) via a crafted PCI configuration space access.
Weakness: CWE-369
Which versions are affected by CVE-2025-61554?
How do I fix CVE-2025-61554?
No fix has been published for CVE-2025-61554 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-2025-61554 being exploited?
There is no known exploitation of CVE-2025-61554 in the wild and no public exploit code.
Sources
Also known as GHSA-xc9q-382m-q8gp.