CVE-2019-17345
Status: ModifiedMedium (6.5)—
An issue was discovered in Xen 4.8.x through 4.11.x allowing x86 PV guest OS users to cause a denial of service because mishandling of failed IOMMU operations causes a bug check during the cleanup of a crashed guest.
CVSS
- Version: 3.1
- Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H
- Base score: 6.5
Exploitation probability (EPSS)
- Probability of exploitation in the next 30 days: 0.35%
- Percentile among all scored CVEs: 27
- Score date: 10/16/2026
EPSS (Exploit Prediction Scoring System, FIRST) estimates how likely a vulnerability is to be exploited in the wild within 30 days. It complements CVSS (impact) and CISA KEV (confirmed exploitation).
Affected technologies (2)
CWEs
- NVD-CWE-noinfo
References
- http://www.openwall.com/lists/oss-security/2019/10/25/4
- http://xenbits.xen.org/xsa/advisory-291.html
- https://seclists.org/bugtraq/2020/Jan/21
- https://www.debian.org/security/2020/dsa-4602
- https://xenbits.xen.org/xsa/advisory-291.html
- http://www.openwall.com/lists/oss-security/2019/10/25/4
- http://xenbits.xen.org/xsa/advisory-291.html
- https://seclists.org/bugtraq/2020/Jan/21
- https://www.debian.org/security/2020/dsa-4602
- https://xenbits.xen.org/xsa/advisory-291.html
Raw JSON (NVD)
Show
{
"id": "CVE-2019-17345",
"cveTags": [],
"metrics": {
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"accessVector": "LOCAL",
"vectorString": "AV:L/AC:L/Au:N/C:N/I:N/A:C",
"authentication": "NONE",
"integrityImpact": "NONE",
"accessComplexity": "LOW",
"availabilityImpact": "COMPLETE",
"confidentialityImpact": "NONE"
},
"acInsufInfo": false,
"impactScore": 6.9,
"baseSeverity": "MEDIUM",
"obtainAllPrivilege": false,
"exploitabilityScore": 3.9,
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"vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H",
"integrityImpact": "NONE",
"userInteraction": "NONE",
"attackComplexity": "LOW",
"availabilityImpact": "HIGH",
"privilegesRequired": "LOW",
"confidentialityImpact": "NONE"
},
"impactScore": 4,
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}
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"affected": [
{
"source": "cve@mitre.org",
"affectedData": [
{
"vendor": "n/a",
"product": "n/a",
"versions": [
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"published": "2019-10-08T01:15:10.767",
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"vulnStatus": "Modified",
"weaknesses": [
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"descriptions": [
{
"lang": "en",
"value": "An issue was discovered in Xen 4.8.x through 4.11.x allowing x86 PV guest OS users to cause a denial of service because mishandling of failed IOMMU operations causes a bug check during the cleanup of a crashed guest."
},
{
"lang": "es",
"value": "Se detectó un problema en Xen versiones 4.8.x hasta 4.11.x, permitiendo a usuarios del sistema operativo invitado PV de x86, causar una denegación de servicio porque el manejo inapropiado de las operaciones fallidas de IOMMU causa una comprobación de errores durante la limpieza de un invitado bloqueado."
}
],
"lastModified": "2026-06-17T02:23:46.190",
"configurations": [
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"sourceIdentifier": "cve@mitre.org"
}