CWE Code: 264
Vulnerability Type: privilege_escalation
CVSS Score: 7.4
CWE Name:  Permissions Privileges and Access Controls
Summary: xen 4.1 before 4.1.1 and 4.0 before 4.0.2, when using pci passthrough on intel vt-d chipsets that do not have interrupt remapping, allows guest os users to gain host os privileges by "using dma to generate msi interrupts by writing to the interrupt injection registers."
Access Authentication: SINGLE
Access Complexity: MEDIUM
Access Vector: ADJACENT_NETWORK
Impact (C/I/A): COMPLETE/COMPLETE/COMPLETE
Published Date: 2011-08-12
Last Modified Date: 2011-10-26