This script is Copyright (C) 2015 Tenable Network Security, Inc.
The remote FreeBSD host is missing a security-related update.
The Xen Project reports :
HYPERCALL_xenoprof_op and HYPERVISOR_xenpmu_op log some errors and
attempts at invalid operations. These log messages are not
rate-limited, even though they can be triggered by guests.
A malicious guest could cause repeated logging to the hypervisor
console, leading to a Denial of Service attack.
See also :
Update the affected package.
Risk factor :
Low / CVSS Base Score : 2.1