CVE-2025-61554

Medium severity, CVSS 5.5. EPSS: 0.2% chance of exploitation in the next 30 days.

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.

Published 2025-10-16. Last modified 2026-06-17.