The vulnerability of Xen hypervisors allows a attacker to trigger a service failure or gain privileged access to the host.

The vulnerability of Xen hypervisors is related to deficiencies in access control for GNTMAPdevicemap and GNTMAPhostmap provided that GNTMAPhostmap is in the unmapping mode. Exploiting this vulnerability can allow a malicious actor to cause a service failure memory corruption or gain privileged...