CWE Code: 264
Vulnerability Type: privilege_escalation
CVSS Score: 6.9
CWE Name:  Permissions Privileges and Access Controls
Summary: 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.
Access Authentication: NONE
Access Complexity: MEDIUM
Access Vector: LOCAL
Impact (C/I/A): COMPLETE/COMPLETE/COMPLETE
Published Date: 2012-11-23
Last Modified Date: 2013-02-01