CVE-2016-7777
Published Oct 7, 2016
Last updated 7 years ago
Overview
- Description
- Xen 4.7.x and earlier does not properly honor CR0.TS and CR0.EM, which allows local x86 HVM guest OS users to read or modify FPU, MMX, or XMM register state information belonging to arbitrary tasks on the guest by modifying an instruction while the hypervisor is preparing to emulate it.
- Source
- cve@mitre.org
- NVD status
- Modified
Risk scores
CVSS 3.0
- Type
- Primary
- Base score
- 6.3
- Impact score
- 5.2
- Exploitability score
- 1
- Vector string
- CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:N
- Severity
- MEDIUM
CVSS 2.0
- Type
- Primary
- Base score
- 3.3
- Impact score
- 4.9
- Exploitability score
- 3.4
- Vector string
- AV:L/AC:M/Au:N/C:P/I:P/A:N
Weaknesses
- nvd@nist.gov
- CWE-362
Social media
- Hype score
- Not currently trending
Configurations
[
{
"nodes": [
{
"negate": false,
"cpeMatch": [
{
"criteria": "cpe:2.3:o:xen:xen:*:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "EDD98135-D38D-498A-8D11-15C41CA31DED",
"versionEndIncluding": "4.7.0"
}
],
"operator": "OR"
}
]
}
]