x86/vmscape: Add old Intel CPUs to affected list

Commit 8a68d64 upstream.

These old CPUs are not tested against VMSCAPE, but are likely vulnerable.

Signed-off-by: Pawan Gupta <[email protected]>
Signed-off-by: Dave Hansen <[email protected]>
Signed-off-by: Borislav Petkov (AMD) <[email protected]>
Signed-off-by: Greg Kroah-Hartman <[email protected]>

Author: pa1gupta

arch/x86/kernel/cpu/common.c

@@ -1239,15 +1239,18 @@ static const __initconst struct x86_cpu_id cpu_vuln_whitelist[] = {
 #define VMSCAPE		BIT(11)
 
 static const struct x86_cpu_id cpu_vuln_blacklist[] __initconst = {
-	VULNBL_INTEL_STEPPINGS(INTEL_IVYBRIDGE,		X86_STEPPING_ANY,		SRBDS),
-	VULNBL_INTEL_STEPPINGS(INTEL_HASWELL,		X86_STEPPING_ANY,		SRBDS),
-	VULNBL_INTEL_STEPPINGS(INTEL_HASWELL_L,		X86_STEPPING_ANY,		SRBDS),
-	VULNBL_INTEL_STEPPINGS(INTEL_HASWELL_G,		X86_STEPPING_ANY,		SRBDS),
-	VULNBL_INTEL_STEPPINGS(INTEL_HASWELL_X,		X86_STEPPING_ANY,		MMIO),
-	VULNBL_INTEL_STEPPINGS(INTEL_BROADWELL_D,	X86_STEPPING_ANY,		MMIO),
-	VULNBL_INTEL_STEPPINGS(INTEL_BROADWELL_G,	X86_STEPPING_ANY,		SRBDS),
-	VULNBL_INTEL_STEPPINGS(INTEL_BROADWELL_X,	X86_STEPPING_ANY,		MMIO),
-	VULNBL_INTEL_STEPPINGS(INTEL_BROADWELL,		X86_STEPPING_ANY,		SRBDS),
+	VULNBL_INTEL_STEPPINGS(INTEL_SANDYBRIDGE_X,	X86_STEPPING_ANY,		VMSCAPE),
+	VULNBL_INTEL_STEPPINGS(INTEL_SANDYBRIDGE,	X86_STEPPING_ANY,		VMSCAPE),
+	VULNBL_INTEL_STEPPINGS(INTEL_IVYBRIDGE_X,	X86_STEPPING_ANY,		VMSCAPE),
+	VULNBL_INTEL_STEPPINGS(INTEL_IVYBRIDGE,		X86_STEPPING_ANY,		SRBDS | VMSCAPE),
+	VULNBL_INTEL_STEPPINGS(INTEL_HASWELL,		X86_STEPPING_ANY,		SRBDS | VMSCAPE),
+	VULNBL_INTEL_STEPPINGS(INTEL_HASWELL_L,		X86_STEPPING_ANY,		SRBDS | VMSCAPE),
+	VULNBL_INTEL_STEPPINGS(INTEL_HASWELL_G,		X86_STEPPING_ANY,		SRBDS | VMSCAPE),
+	VULNBL_INTEL_STEPPINGS(INTEL_HASWELL_X,		X86_STEPPING_ANY,		MMIO | VMSCAPE),
+	VULNBL_INTEL_STEPPINGS(INTEL_BROADWELL_D,	X86_STEPPING_ANY,		MMIO | VMSCAPE),
+	VULNBL_INTEL_STEPPINGS(INTEL_BROADWELL_X,	X86_STEPPING_ANY,		MMIO | VMSCAPE),
+	VULNBL_INTEL_STEPPINGS(INTEL_BROADWELL_G,	X86_STEPPING_ANY,		SRBDS | VMSCAPE),
+	VULNBL_INTEL_STEPPINGS(INTEL_BROADWELL,		X86_STEPPING_ANY,		SRBDS | VMSCAPE),
 	VULNBL_INTEL_STEPPINGS(INTEL_SKYLAKE_X,		X86_STEPPINGS(0x0, 0x5),	MMIO | RETBLEED | GDS | VMSCAPE),
 	VULNBL_INTEL_STEPPINGS(INTEL_SKYLAKE_X,		X86_STEPPING_ANY,		MMIO | RETBLEED | GDS | ITS | VMSCAPE),
 	VULNBL_INTEL_STEPPINGS(INTEL_SKYLAKE_L,		X86_STEPPING_ANY,		MMIO | RETBLEED | GDS | SRBDS | VMSCAPE),