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

commit 04f8dafd96182977d2bf60066191b5fb4a09b130 upstream.

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

Fixes: 473ed2146bc6 ("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 0002dc62214d7ba17bf782e3b0cbe8f60dda7e66..a7abd1be358360a64e2cfcfd66882c8cb483c547 100644 (file)
--- a/arch/x86/kernel/cpu/common.c
+++ b/arch/x86/kernel/cpu/common.c
@@ -1136,6 +1136,7 @@ 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),