CWE Code: 264
Vulnerability Type: privilege_escalation
CVSS Score: 6.8
CWE Name:  Permissions Privileges and Access Controls
Summary: xen 4.2.x and 4.3.x, when using intel vt-d and a pci device has been assigned, does not clear the flag that suppresses iommu tlb flushes when unspecified errors occur, which causes the tlb entries to not be flushed and allows local guest administrators to cause a denial of service (host crash) or gain privileges via unspecified vectors.
Access Authentication: NONE
Access Complexity: HIGH
Access Vector: ADJACENT_NETWORK
Impact (C/I/A): COMPLETE/COMPLETE/COMPLETE
Published Date: 2013-12-13
Last Modified Date: 2017-01-07