The vulnerability of Xen hypervisors, which allows a malicious actor to trigger a service failure

The vulnerability of the GNTTABOPswapgrantref function in Xen administrators’ scripts is related to pointer swapping errors. Exploiting this vulnerability could allow an attacker, operating locally, to cause a service failure by creating instances of the GNTTABOPsetuptable or GNTTABOPsetversion...