CVE-2012-3516
Published Nov 23, 2012
Last updated 12 years ago
Overview
- Description
- The GNTTABOP_swap_grant_ref sub-operation in the grant table hypercall in Xen 4.2 and Citrix XenServer 6.0.2 allows local guest kernels or administrators to cause a denial of service (host crash) and possibly gain privileges via a crafted grant reference that triggers a write to an arbitrary hypervisor memory location.
- Source
- secalert@redhat.com
- NVD status
- Modified
Risk scores
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-264
Social media
- Hype score
- Not currently trending
Configurations
[
{
"nodes": [
{
"negate": false,
"cpeMatch": [
{
"criteria": "cpe:2.3:a:citrix:xenserver:*:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "24FCA867-7158-459C-9D6C-75A39263F00A",
"versionEndIncluding": "6.0.2"
},
{
"criteria": "cpe:2.3:o:xen:xen:4.2.0:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "8F0AF8EF-6FF6-4E22-B16E-82C9F90C6B00"
}
],
"operator": "OR"
}
]
}
]