KVM: x86: Fix of previously incomplete fix for CVE-2014-8480

STR and SLDT with rip-relative operand can cause a host kernel oops. Mark them as DstMem as well. Cc: [email protected] Signed-off-by: Nadav Amit <[email protected]> Signed-off-by: Paolo Bonzini <[email protected]>
opendata26 · Jan 23, 2015 · 63ea0a4 · 63ea0a4
1 parent cdef511
commit 63ea0a4
Showing 1 changed file with 2 additions and 2 deletions.
diff --git a/arch/x86/kvm/emulate.c b/arch/x86/kvm/emulate.c
@@ -3791,8 +3791,8 @@ static const struct opcode group5[] = {
 };
 
 static const struct opcode group6[] = {
-	DI(Prot,	sldt),
-	DI(Prot,	str),
+	DI(Prot | DstMem,	sldt),
+	DI(Prot | DstMem,	str),
 	II(Prot | Priv | SrcMem16, em_lldt, lldt),
 	II(Prot | Priv | SrcMem16, em_ltr, ltr),
 	N, N, N, N,