arch/x86/kvm/vmx.c in the Linux kernel through 4.6.3 mishandles the APICv on/off state, which allows guest OS users to obtain direct APIC MSR access on the host OS, and consequently cause a denial of service (host OS crash) or possibly execute arbitrary code on the host OS, via x2APIC mode.
CPE | Name | Operator | Version |
---|---|---|---|
linux_kernel | ge | 4.5 | |
linux_kernel | lt | 4.7 |