CWE Code: 20
Vulnerability Type: privilege_escalation
CVSS Score: 4.9
CWE Name:  Improper Input Validation
Summary: the (1) do_send and (2) do_recv functions in io.c in libvchan in xen 4.2.x, 4.3.x, and 4.4-rc series allows local guests to cause a denial of service or possibly gain privileges via crafted xenstore ring indexes, which triggers a "read or write past the end of the ring."
Access Authentication: SINGLE
Access Complexity: MEDIUM
Access Vector: ADJACENT_NETWORK
Impact (C/I/A): PARTIAL/PARTIAL/PARTIAL
Published Date: 2014-04-01
Last Modified Date: 2017-01-07