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x86/vmscape: Add old Intel CPUs to affected list

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Commit 8a68d64bb10334426834e8c273319601878e961e upstream.

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

Signed-off-by: Pawan Gupta <pawan.kumar.gupta@linux.intel.com>
Signed-off-by: Dave Hansen <dave.hansen@linux.intel.com>
Signed-off-by: Borislav Petkov (AMD) <bp@alien8.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Pawan Gupta 2025-08-29 15:28:52 -07:00 committed by Greg Kroah-Hartman
parent 24f90b752b
commit 0d8ca2b947
1 changed files with 12 additions and 9 deletions
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21
arch/x86/kernel/cpu/common.c
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@ -1262,15 +1262,18 @@ 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(IVYBRIDGE, X86_STEPPING_ANY, SRBDS),
VULNBL_INTEL_STEPPINGS(HASWELL, X86_STEPPING_ANY, SRBDS),
VULNBL_INTEL_STEPPINGS(HASWELL_L, X86_STEPPING_ANY, SRBDS),
VULNBL_INTEL_STEPPINGS(HASWELL_G, X86_STEPPING_ANY, SRBDS),
VULNBL_INTEL_STEPPINGS(HASWELL_X, X86_STEPPING_ANY, MMIO),
VULNBL_INTEL_STEPPINGS(BROADWELL_D, X86_STEPPING_ANY, MMIO),
VULNBL_INTEL_STEPPINGS(BROADWELL_G, X86_STEPPING_ANY, SRBDS),
VULNBL_INTEL_STEPPINGS(BROADWELL_X, X86_STEPPING_ANY, MMIO),
VULNBL_INTEL_STEPPINGS(BROADWELL, X86_STEPPING_ANY, SRBDS),
VULNBL_INTEL_STEPPINGS(SANDYBRIDGE_X, X86_STEPPING_ANY, VMSCAPE),
VULNBL_INTEL_STEPPINGS(SANDYBRIDGE, X86_STEPPING_ANY, VMSCAPE),
VULNBL_INTEL_STEPPINGS(IVYBRIDGE_X, X86_STEPPING_ANY, VMSCAPE),
VULNBL_INTEL_STEPPINGS(IVYBRIDGE, X86_STEPPING_ANY, SRBDS | VMSCAPE),
VULNBL_INTEL_STEPPINGS(HASWELL, X86_STEPPING_ANY, SRBDS | VMSCAPE),
VULNBL_INTEL_STEPPINGS(HASWELL_L, X86_STEPPING_ANY, SRBDS | VMSCAPE),
VULNBL_INTEL_STEPPINGS(HASWELL_G, X86_STEPPING_ANY, SRBDS | VMSCAPE),
VULNBL_INTEL_STEPPINGS(HASWELL_X, X86_STEPPING_ANY, MMIO | VMSCAPE),
VULNBL_INTEL_STEPPINGS(BROADWELL_D, X86_STEPPING_ANY, MMIO | VMSCAPE),
VULNBL_INTEL_STEPPINGS(BROADWELL_X, X86_STEPPING_ANY, MMIO | VMSCAPE),
VULNBL_INTEL_STEPPINGS(BROADWELL_G, X86_STEPPING_ANY, SRBDS | VMSCAPE),
VULNBL_INTEL_STEPPINGS(BROADWELL, X86_STEPPING_ANY, SRBDS | VMSCAPE),
VULNBL_INTEL_STEPPINGS(SKYLAKE_X, X86_STEPPINGS(0x0, 0x5), MMIO | RETBLEED | GDS | VMSCAPE),
VULNBL_INTEL_STEPPINGS(SKYLAKE_X, X86_STEPPING_ANY, MMIO | RETBLEED | GDS | ITS | VMSCAPE),
VULNBL_INTEL_STEPPINGS(SKYLAKE_L, X86_STEPPING_ANY, MMIO | RETBLEED | GDS | SRBDS | VMSCAPE),