KVM: x86: Add memory barrier on vmcs field lookup

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commit 75f139aaf8 upstream.

This adds a memory barrier when performing a lookup into
the vmcs_field_to_offset_table.  This is related to
CVE-2017-5753.

Signed-off-by: Andrew Honig <ahonig@google.com>
Reviewed-by: Jim Mattson <jmattson@google.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

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Andrew Honig 2018-01-10 10:12:03 -08:00 • committed by Greg Kroah-Hartman

parent d98309da07

commit 679090724f

1 changed files with 10 additions and 2 deletions

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arch/x86/kvm/vmx.c

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