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: Thadeu Lima de Souza Cascardo <cascardo@canonical.com>
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 34ac05f058134398094f624f3b9db0bde4acfef2..80cc41f79783097199d22c3b7fed754feca8db85 100644 (file)
--- a/arch/x86/kernel/cpu/common.c
+++ b/arch/x86/kernel/cpu/common.c
@@ -1132,6 +1132,7 @@ 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),