CVE-2025-61554

State: Published
Severity: 5.5 Medium
Published: Oct 16, 2025
Updated: Oct 17, 2025
Reserved: Sep 26, 2025

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.

Scores

CVSS	Score	Vector	Source
3.1	5.5 Medium	CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H	CISA-ADP

Weaknesses

CWE-369 Divide By Zero

Affected Products

Product	Versions
n/an/a	n/aAffected

References

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

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