CWE Code: 264
Vulnerability Type: privilege_escalation
CVSS Score: 7.2
CWE Name:  Permissions Privileges and Access Controls
Summary: the mod_l2_entry function in arch/x86/mm.c in xen 3.4 through 4.6.x does not properly validate level 2 page table entries, which allows local pv guest administrators to gain privileges via a crafted superpage mapping.
Access Authentication: NONE
Access Complexity: LOW
Access Vector: LOCAL
Impact (C/I/A): COMPLETE/COMPLETE/COMPLETE
Published Date: 2015-10-30
Last Modified Date: 2018-10-30