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...

Xen GNTTABOP_swap_grant_ref() Version Check Denial of Service Vulnerability

Xen is a virtualization technology for the Linux kernel that allows multiple operating systems to run simultaneously. A security vulnerability in Xen GNTTABOPswapgrantref allows local users to exploit the vulnerability by triggering a null pointer reference that crashes the target HOST, due to a...