Medium 5.5Published Oct 15, 2025

CVE-2025-61554A 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 cras…

Updated under an hour ago (Oct 26, 2026, 7:10 PM ET)

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Exploited in the last 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.

CVSS: 5.5 MEDIUM (v3.1, CISA ADP)CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Weakness (CWE): CWE-369
Known exploited: Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days): Not loaded for this CVE
Assigned by: mitre
NVD analysis: Deferred
Record last updated: Oct 17, 2025
First seen by InfoSec Signals: Oct 9, 2026

Affected products

No affected products are listed yet.

References

References

https://sourceforge.net/p/bitvisor/code/ci/de84887f4418fcd67945b4aa4842e035bce0dfa9
https://github.com/retrage/advisories/blob/c20246f93edac1b8ad3c8c5e3e768d02405850c7/CVE-2025-61554/README.md

The CVE record on cve.org NVD's entry

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.