CVE-2012-4538
Published Nov 24, 2012
Last updated 7 years ago
Overview
- Description
- The HVMOP_pagetable_dying hypercall in Xen 4.0, 4.1, and 4.2 does not properly check the pagetable state when running on shadow pagetables, which allows a local HVM guest OS to cause a denial of service (hypervisor crash) via unspecified vectors.
- Source
- secalert@redhat.com
- NVD status
- Modified
Risk scores
CVSS 2.0
- Type
- Primary
- Base score
- 4.9
- Impact score
- 6.9
- Exploitability score
- 3.9
- Vector string
- AV:L/AC:L/Au:N/C:N/I:N/A:C
Weaknesses
- nvd@nist.gov
- CWE-20
Social media
- Hype score
- Not currently trending
Configurations
[
{
"nodes": [
{
"negate": false,
"cpeMatch": [
{
"criteria": "cpe:2.3:o:xen:xen:4.0.0:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "550223A9-B9F1-440A-8C25-9F0F76AF7301"
},
{
"criteria": "cpe:2.3:o:xen:xen:4.1.0:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "0D532B60-C8DD-4A2F-9D05-E574D23EB754"
},
{
"criteria": "cpe:2.3:o:xen:xen:4.2.0:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "8F0AF8EF-6FF6-4E22-B16E-82C9F90C6B00"
}
],
"operator": "OR"
}
]
}
]