From 3f6f1480d86bf9fc16c160d803ab1d006e3058d5 Mon Sep 17 00:00:00 2001
From: Nadav Amit <namit@cs.technion.ac.il>
Date: Mon, 13 Oct 2014 13:04:14 +0300
Subject: [PATCH] KVM: x86: PREFETCH and HINT_NOP should have SrcMem flag

The decode phase of the x86 emulator assumes that every instruction with the
ModRM flag, and which can be used with RIP-relative addressing, has either
SrcMem or DstMem.  This is not the case for several instructions - prefetch,
hint-nop and clflush.

Adding SrcMem|NoAccess for prefetch and hint-nop and SrcMem for clflush.

This fixes CVE-2014-8480.

Fixes: 41061cdb98a0bec464278b4db8e894a3121671f5
Cc: stable@vger.kernel.org
Signed-off-by: Nadav Amit <namit@cs.technion.ac.il>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
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