x86/bugs: Add Cannon lake to RETBleed affected CPU list

commit f54d45372c6ac9c993451de5e51312485f7d10bc upstream.

Cannon lake is also affected by RETBleed, add it to the list.

Fixes: 6ad0ad2bf8a6 ("x86/bugs: Report Intel retbleed vulnerability")
Signed-off-by: Pawan Gupta <pawan.kumar.gupta@linux.intel.com>
Signed-off-by: Borislav Petkov <bp@suse.de>
Signed-off-by: Ben Hutchings <ben@decadent.org.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --git a/arch/x86/kernel/cpu/common.c b/arch/x86/kernel/cpu/common.c
index 3364498f5537e51dbf792c49c3960313ba03a771..901352bd3b42653ac4aca9fbd3cdbdb2e9eb9ee0 100644 (file)
--- a/arch/x86/kernel/cpu/common.c
+++ b/arch/x86/kernel/cpu/common.c
@@ -1129,6 +1129,7 @@ static const struct x86_cpu_id cpu_vuln_blacklist[] __initconst = {
        VULNBL_INTEL_STEPPINGS(SKYLAKE,         X86_STEPPING_ANY,               SRBDS | MMIO | RETBLEED),
        VULNBL_INTEL_STEPPINGS(KABYLAKE_L,      X86_STEPPING_ANY,               SRBDS | MMIO | RETBLEED),
        VULNBL_INTEL_STEPPINGS(KABYLAKE,        X86_STEPPING_ANY,               SRBDS | MMIO | RETBLEED),
+       VULNBL_INTEL_STEPPINGS(CANNONLAKE_L,    X86_STEPPING_ANY,               RETBLEED),
        VULNBL_INTEL_STEPPINGS(ICELAKE_L,       X86_STEPPING_ANY,               MMIO | MMIO_SBDS | RETBLEED),
        VULNBL_INTEL_STEPPINGS(ICELAKE_D,       X86_STEPPING_ANY,               MMIO),
        VULNBL_INTEL_STEPPINGS(ICELAKE_X,       X86_STEPPING_ANY,               MMIO),