This is a note to let you know that I've just added the patch titled
x86/bugs: Add Cannon lake to RETBleed affected CPU list
to the 4.19-stable tree which can be found at:
http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary
The filename of the patch is:
x86-bugs-add-cannon-lake-to-retbleed-affected-cpu-list.patch
and it can be found in the queue-4.19 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.
>From stable-owner@xxxxxxxxxxxxxxx Thu Nov 17 10:22:52 2022
From: Suleiman Souhlal <suleiman@xxxxxxxxxx>
Date: Thu, 17 Nov 2022 18:19:48 +0900
Subject: x86/bugs: Add Cannon lake to RETBleed affected CPU list
To: stable@xxxxxxxxxxxxxxx
Cc: x86@xxxxxxxxxx, kvm@xxxxxxxxxxxxxxx, bp@xxxxxxxxx, pbonzini@xxxxxxxxxx, peterz@xxxxxxxxxxxxx, jpoimboe@xxxxxxxxxx, cascardo@xxxxxxxxxxxxx, surajjs@xxxxxxxxxx, ssouhlal@xxxxxxxxxxx, suleiman@xxxxxxxxxx
Message-ID: <20221117091952.1940850-31-suleiman@xxxxxxxxxx>
From: Pawan Gupta <pawan.kumar.gupta@xxxxxxxxxxxxxxx>
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@xxxxxxxxxxxxxxx>
Signed-off-by: Borislav Petkov <bp@xxxxxxx>
Signed-off-by: Thadeu Lima de Souza Cascardo <cascardo@xxxxxxxxxxxxx>
[ bp: Adjust cpu model name CANNONLAKE_L -> CANNONLAKE_MOBILE ]
Signed-off-by: Suraj Jitindar Singh <surajjs@xxxxxxxxxx>
Signed-off-by: Suleiman Souhlal <suleiman@xxxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
arch/x86/kernel/cpu/common.c | 1 +
1 file changed, 1 insertion(+)
--- a/arch/x86/kernel/cpu/common.c
+++ b/arch/x86/kernel/cpu/common.c
@@ -1053,6 +1053,7 @@ static const struct x86_cpu_id cpu_vuln_
VULNBL_INTEL_STEPPINGS(SKYLAKE_DESKTOP, X86_STEPPING_ANY, SRBDS | MMIO | RETBLEED),
VULNBL_INTEL_STEPPINGS(KABYLAKE_MOBILE, X86_STEPPING_ANY, SRBDS | MMIO | RETBLEED),
VULNBL_INTEL_STEPPINGS(KABYLAKE_DESKTOP,X86_STEPPING_ANY, SRBDS | MMIO | RETBLEED),
+ VULNBL_INTEL_STEPPINGS(CANNONLAKE_MOBILE,X86_STEPPING_ANY, RETBLEED),
VULNBL_INTEL_STEPPINGS(ICELAKE_MOBILE, X86_STEPPING_ANY, MMIO | MMIO_SBDS | RETBLEED),
VULNBL_INTEL_STEPPINGS(ICELAKE_XEON_D, X86_STEPPING_ANY, MMIO),
VULNBL_INTEL_STEPPINGS(ICELAKE_X, X86_STEPPING_ANY, MMIO),
Patches currently in stable-queue which might be from stable-owner@xxxxxxxxxxxxxxx are
queue-4.19/x86-speculation-disable-rrsba-behavior.patch
queue-4.19/revert-x86-speculation-add-rsb-vm-exit-protections.patch
queue-4.19/kvm-vmx-fix-ibrs-handling-after-vmexit.patch
queue-4.19/kvm-vmx-prevent-guest-rsb-poisoning-attacks-with-eibrs.patch
queue-4.19/x86-cpufeature-add-facility-to-check-for-min-microcode-revisions.patch
queue-4.19/x86-bugs-keep-a-per-cpu-ia32_spec_ctrl-value.patch
queue-4.19/x86-cpu-amd-enumerate-btc_no.patch
queue-4.19/x86-speculation-fix-firmware-entry-spec_ctrl-handling.patch
queue-4.19/x86-speculation-add-spectre_v2-ibrs-option-to-support-kernel-ibrs.patch
queue-4.19/x86-cpu-add-consistent-cpu-match-macros.patch
queue-4.19/x86-speculation-remove-x86_spec_ctrl_mask.patch
queue-4.19/x86-bugs-add-cannon-lake-to-retbleed-affected-cpu-list.patch
queue-4.19/x86-bugs-warn-when-ibrs-mitigation-is-selected-on-enhanced-ibrs-parts.patch
queue-4.19/x86-speculation-fill-rsb-on-vmexit-for-ibrs.patch
queue-4.19/x86-cpu-add-a-steppings-field-to-struct-x86_cpu_id.patch
queue-4.19/x86-common-stamp-out-the-stepping-madness.patch
queue-4.19/x86-bugs-split-spectre_v2_select_mitigation-and-spectre_v2_user_select_mitigation.patch
queue-4.19/x86-bugs-report-intel-retbleed-vulnerability.patch
queue-4.19/x86-speculation-change-fill_return_buffer-to-work-with-objtool.patch
queue-4.19/x86-cpufeatures-move-retpoline-flags-to-word-11.patch
queue-4.19/x86-speculation-fix-spec_ctrl-write-on-smt-state-change.patch
queue-4.19/x86-bugs-optimize-spec_ctrl-msr-writes.patch
queue-4.19/x86-bugs-report-amd-retbleed-vulnerability.patch
queue-4.19/x86-speculation-fix-rsb-filling-with-config_retpoline-n.patch
queue-4.19/x86-cpufeature-fix-various-quality-problems-in-the-asm-cpu_device_hd.h-header.patch
queue-4.19/intel_idle-disable-ibrs-during-long-idle.patch
queue-4.19/x86-speculation-use-declare_per_cpu-for-x86_spec_ctrl_current.patch
queue-4.19/x86-entry-remove-skip_r11rcx.patch
queue-4.19/x86-speculation-use-cached-host-spec_ctrl-value-for-guest-entry-exit.patch
queue-4.19/x86-devicetable-move-x86-specific-macro-out-of-generic-code.patch
queue-4.19/x86-bugs-add-amd-retbleed-boot-parameter.patch
queue-4.19/x86-entry-add-kernel-ibrs-implementation.patch
queue-4.19/revert-x86-cpu-add-a-steppings-field-to-struct-x86_cpu_id.patch
queue-4.19/x86-speculation-add-rsb-vm-exit-protections.patch
