The handle_dr function in arch/x86/kvm/vmx.c in the KVM subsystem in the Linux kernel before 184.108.40.206 does not properly verify the Current Privilege Level (CPL) before accessing a debug register, which allows guest OS users to cause a denial of service (trap) on the host OS via a crafted application.
Publish Date : 2009-10-30 Last Update Date : 2017-09-18
OVAL (Open Vulnerability and Assessment Language) definitions define exactly what should be done to verify
a vulnerability or a missing patch. Check out the OVAL definitions
if you want to learn what you should do to verify a vulnerability.