CWE Code: 20
Vulnerability Type: privilege_escalation
CVSS Score: 6.9
CWE Name:  Improper Input Validation
Summary: the xenmem_exchange handler in xen 4.2 and earlier does not properly check the memory address, which allows local pv guest os administrators to cause a denial of service (crash) or possibly gain privileges via unspecified vectors that overwrite memory in the hypervisor reserved range.
Access Authentication: NONE
Access Complexity: MEDIUM
Access Vector: LOCAL
Impact (C/I/A): COMPLETE/COMPLETE/COMPLETE
Published Date: 2012-12-13
Last Modified Date: 2017-08-29