Overview
- Description
- An issue was discovered in Xen through 4.11.x on AMD x86 platforms, possibly allowing guest OS users to gain host OS privileges because small IOMMU mappings are unsafely combined into larger ones.
- Source
- cve@mitre.org
- NVD status
- Modified
Risk scores
CVSS 3.0
- Type
- Primary
- Base score
- 7.8
- Impact score
- 6
- Exploitability score
- 1.1
- Vector string
- CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H
- Severity
- HIGH
CVSS 2.0
- Type
- Primary
- Base score
- 6.9
- Impact score
- 10
- Exploitability score
- 3.4
- Vector string
- AV:L/AC:M/Au:N/C:C/I:C/A:C
Weaknesses
- nvd@nist.gov
- CWE-200
Social media
- Hype score
- Not currently trending
Configurations
[
{
"nodes": [
{
"negate": false,
"cpeMatch": [
{
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"vulnerable": true,
"matchCriteriaId": "EA6D0834-FE53-4844-A6C7-0BB2DC64DBA3",
"versionEndIncluding": "4.11.1"
}
],
"operator": "OR"
}
]
},
{
"nodes": [
{
"negate": false,
"cpeMatch": [
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"criteria": "cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "DEECE5FC-CACF-4496-A3E7-164736409252"
}
],
"operator": "OR"
}
]
},
{
"nodes": [
{
"negate": false,
"cpeMatch": [
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"matchCriteriaId": "405F950F-0772-41A3-8B72-B67151CC1376"
},
{
"criteria": "cpe:2.3:a:citrix:xenserver:7.1:cu1:*:*:ltsr:*:*:*",
"vulnerable": true,
"matchCriteriaId": "93BE83D6-26D9-46E0-B031-27A03A83537A"
},
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"criteria": "cpe:2.3:a:citrix:xenserver:7.5:*:*:*:*:*:*:*",
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"matchCriteriaId": "49D662D7-33DF-4DB3-946E-E9E410DC96CF"
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"criteria": "cpe:2.3:a:citrix:xenserver:7.6:*:*:*:*:*:*:*",
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