kvm: nVMX: Enforce cpl=0 for VMX instructions

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VMX instructions executed inside a L1 VM will always trigger a VM exit
even when executed with cpl 3. This means we must perform the
privilege check in software.

Fixes: 70f3aac964ae("kvm: nVMX: Remove superfluous VMX instruction fault checks")
Cc: stable@vger.kernel.org
Signed-off-by: Felix Wilhelm <fwilhelm@google.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>

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Felix Wilhelm 2018-06-11 09:43:44 +02:00 • committed by Paolo Bonzini

parent f4160e459c

commit 727ba748e1

1 changed files with 13 additions and 2 deletions

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arch/x86/kvm/vmx.c

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