CVE-2025-61554
Full vulnerability record from the local CVENow database.
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.
Severity
MEDIUM
CVSS score
5.5
(v3.1)
Vulnerability status
Deferred
Source identifier
Published
2025-10-16 20:15:35.350000
Last modified
2026-11-05 22:10:00.203000
View original CVE JSON
{
"id": "CVE-2025-61554",
"sourceIdentifier": "[email protected]",
"published": "2025-10-16T20:15:35.350",
"lastModified": "2026-11-05T22:10:00.203",
"vulnStatus": "Deferred",
"cveTags": [],
"descriptions": [
{
"lang": "en",
"value": "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."
},
{
"lang": "es",
"value": "Una división por cero en la emulación de dispositivo de red VirtIO en BitVisor desde el commit 108df6 (2020-05-20) hasta el commit 480907 (2025-07-06) permite a atacantes locales causar una denegación de servicio (caída del hipervisor anfitrión) mediante un acceso manipulado al espacio de configuración PCI."
}
],
"affected": [
{
"source": "[email protected]",
"affectedData": [
{
"vendor": "n/a",
"product": "n/a",
"versions": [
{
"version": "n/a",
"status": "affected"
}
]
}
]
}
],
"metrics": {
"cvssMetricV31": [
{
"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"type": "Secondary",
"cvssData": {
"version": "3.1",
"vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
"baseScore": 5.5,
"baseSeverity": "MEDIUM",
"attackVector": "LOCAL",
"attackComplexity": "LOW",
"privilegesRequired": "LOW",
"userInteraction": "NONE",
"scope": "UNCHANGED",
"confidentialityImpact": "NONE",
"integrityImpact": "NONE",
"availabilityImpact": "HIGH"
},
"exploitabilityScore": 1.8,
"impactScore": 3.6
}
],
"ssvcV203": [
{
"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"ssvcData": {
"timestamp": "2025-10-17T13:31:27.663875Z",
"id": "CVE-2025-61554",
"options": [
{
"exploitation": "none"
},
{
"automatable": "no"
},
{
"technicalImpact": "partial"
}
],
"role": "CISA Coordinator",
"version": "2.0.3"
}
}
]
},
"weaknesses": [
{
"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"type": "Secondary",
"description": [
{
"lang": "en",
"value": "CWE-369"
}
]
}
],
"references": [
{
"url": "https://github.com/retrage/advisories/blob/c20246f93edac1b8ad3c8c5e3e768d02405850c7/CVE-2025-61554/README.md",
"source": "[email protected]"
},
{
"url": "https://sourceforge.net/p/bitvisor/code/ci/de84887f4418fcd67945b4aa4842e035bce0dfa9",
"source": "[email protected]"
}
]
}