CWE Code: 264
Vulnerability Type: privilege_escalation
CVSS Score: 8.3
CWE Name:  Permissions Privileges and Access Controls
Summary: the do_physdev_op function in xen 4.1.5, 4.1.6.1, 4.2.2 through 4.2.3, and 4.3.x does not properly restrict access to the (1) physdevop_prepare_msix and (2) physdevop_release_msix operations, which allows local pv guests to cause a denial of service (host or guest malfunction) or possibly gain privileges via unspecified vectors.
Access Authentication: NONE
Access Complexity: LOW
Access Vector: ADJACENT_NETWORK
Impact (C/I/A): COMPLETE/COMPLETE/COMPLETE
Published Date: 2014-01-26
Last Modified Date: 2018-01-03