Overview
- Description
- The xen_biovec_phys_mergeable function in drivers/xen/biomerge.c in Xen might allow local OS guest users to corrupt block device data streams and consequently obtain sensitive memory information, cause a denial of service, or gain host OS privileges by leveraging incorrect block IO merge-ability calculation.
- Source
- cve@mitre.org
- NVD status
- Modified
Risk scores
CVSS 3.0
- Type
- Primary
- Base score
- 8.8
- Impact score
- 6
- Exploitability score
- 2
- Vector string
- CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
- Severity
- HIGH
CVSS 2.0
- Type
- Primary
- Base score
- 7.2
- Impact score
- 10
- Exploitability score
- 3.9
- Vector string
- AV:L/AC:L/Au:N/C:C/I:C/A:C
Weaknesses
- nvd@nist.gov
- CWE-682
Social media
- Hype score
- Not currently trending
Configurations
[
{
"nodes": [
{
"negate": false,
"cpeMatch": [
{
"criteria": "cpe:2.3:o:xen:xen:*:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "C2B9CCC2-BAC5-4A65-B8D4-4B71EBBA0C2F"
}
],
"operator": "OR"
}
]
},
{
"nodes": [
{
"negate": false,
"cpeMatch": [
{
"criteria": "cpe:2.3:a:citrix:xenserver:6.0.2:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "5FCF191B-971A-4945-AB14-08091689BE2F"
},
{
"criteria": "cpe:2.3:a:citrix:xenserver:6.2.0:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "BCEA97B9-A443-4F87-81B4-B3F0E94AC18E"
},
{
"criteria": "cpe:2.3:a:citrix:xenserver:6.5:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "56434D13-7A7B-495C-A135-2688C706A065"
},
{
"criteria": "cpe:2.3:a:citrix:xenserver:7.0:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "405F950F-0772-41A3-8B72-B67151CC1376"
},
{
"criteria": "cpe:2.3:a:citrix:xenserver:7.1:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "B5647AEA-DCE6-4950-A7EB-05465ECDDE16"
},
{
"criteria": "cpe:2.3:a:citrix:xenserver:7.2:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "68A35129-70B0-4EA9-A0A2-51AC277649D1"
}
],
"operator": "OR"
}
]
}
]