| CVE-2012-3516 | Date: (C)2012-11-25 (M)2023-12-22 |
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.
CVSS Score and Metrics +CVSS Score and Metrics -| CVSS V2 Severity: |
| CVSS Score : 6.9 |
| Exploit Score: 3.4 |
| Impact Score: 10.0 |
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| CVSS V2 Metrics: |
| Access Vector: LOCAL |
| Access Complexity: MEDIUM |
| Authentication: NONE |
| Confidentiality: COMPLETE |
| Integrity: COMPLETE |
| Availability: COMPLETE |
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