doc: add calibration result and meltspec check result for Denverton

Change-Id: I0094ba5ea59b18d6a7a9235cd153db393517cc02
Signed-off-by: Yulong Pei <yulong.pei@intel.com>

1 files changed, 126 insertions, 0 deletions

diff --git a/docs/report/introduction/test_environment_sut_meltspec_dnv.rst b/docs/report/introduction/test_environment_sut_meltspec_dnv.rst
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+Spectre and Meltdown Checks
+~~~~~~~~~~~~~~~~~~~~~~~~~~~
+
+Following section displays the output of a running shell script to tell if
+system is vulnerable against the several "speculative execution" CVEs that were
+made public in 2018. Script is available on `Spectre & Meltdown Checker Github
+<https://github.com/speed47/spectre-meltdown-checker>`_.
+
+- CVE-2017-5753 [bounds check bypass] aka 'Spectre Variant 1'
+- CVE-2017-5715 [branch target injection] aka 'Spectre Variant 2'
+- CVE-2017-5754 [rogue data cache load] aka 'Meltdown' aka 'Variant 3'
+- CVE-2018-3640 [rogue system register read] aka 'Variant 3a'
+- CVE-2018-3639 [speculative store bypass] aka 'Variant 4'
+- CVE-2018-3615 [L1 terminal fault] aka 'Foreshadow (SGX)'
+- CVE-2018-3620 [L1 terminal fault] aka 'Foreshadow-NG (OS)'
+- CVE-2018-3646 [L1 terminal fault] aka 'Foreshadow-NG (VMM)'
+
+::
+
+    $ sudo ./spectre-meltdown-checker.sh --no-color
+
+    Spectre and Meltdown mitigation detection tool v0.40
+
+    Checking for vulnerabilities on current system
+    Kernel is Linux 4.15.0-36-generic #39~16.04.1-Ubuntu SMP Tue Sep 25 08:59:23 UTC 2018 x86_64
+    CPU is Intel(R) Atom(TM) CPU C3858 @ 2.00GHz
+
+    Hardware check
+    * Hardware support (CPU microcode) for mitigation techniques
+      * Indirect Branch Restricted Speculation (IBRS)
+        * SPEC_CTRL MSR is available: YES
+        * CPU indicates IBRS capability: YES (SPEC_CTRL feature bit)
+      * Indirect Branch Prediction Barrier (IBPB)
+        * PRED_CMD MSR is available: YES
+        * CPU indicates IBPB capability: YES (SPEC_CTRL feature bit)
+      * Single Thread Indirect Branch Predictors (STIBP)
+        * SPEC_CTRL MSR is available: YES
+        * CPU indicates STIBP capability: YES (Intel STIBP feature bit)
+      * Speculative Store Bypass Disable (SSBD)
+        * CPU indicates SSBD capability: YES (Intel SSBD)
+      * L1 data cache invalidation
+        * FLUSH_CMD MSR is available: NO
+        * CPU indicates L1D flush capability: NO
+      * Enhanced IBRS (IBRS_ALL)
+        * CPU indicates ARCH_CAPABILITIES MSR availability: YES
+        * ARCH_CAPABILITIES MSR advertises IBRS_ALL capability: NO
+      * CPU explicitly indicates not being vulnerable to Meltdown (RDCL_NO): YES
+      * CPU explicitly indicates not being vulnerable to Variant 4 (SSB_NO): NO
+      * CPU/Hypervisor indicates L1D flushing is not necessary on this system: YES
+      * Hypervisor indicates host CPU might be vulnerable to RSB underflow (RSBA): NO
+      * CPU supports Software Guard Extensions (SGX): NO
+      * CPU microcode is known to cause stability problems: NO (model 0x5f family 0x6 stepping 0x1 ucode 0x24 cpuid 0x506f1)
+      * CPU microcode is the latest known available version: YES (latest version is 0x24 dated 2018/05/11 according to builtin MCExtractor DB v84 - 2018/09/27)
+    * CPU vulnerability to the speculative execution attack variants
+      * Vulnerable to CVE-2017-5753 (Spectre Variant 1, bounds check bypass): YES
+      * Vulnerable to CVE-2017-5715 (Spectre Variant 2, branch target injection): YES
+      * Vulnerable to CVE-2017-5754 (Variant 3, Meltdown, rogue data cache load): NO
+      * Vulnerable to CVE-2018-3640 (Variant 3a, rogue system register read): YES
+      * Vulnerable to CVE-2018-3639 (Variant 4, speculative store bypass): YES
+      * Vulnerable to CVE-2018-3615 (Foreshadow (SGX), L1 terminal fault): NO
+      * Vulnerable to CVE-2018-3620 (Foreshadow-NG (OS), L1 terminal fault): YES
+      * Vulnerable to CVE-2018-3646 (Foreshadow-NG (VMM), L1 terminal fault): YES
+
+    CVE-2017-5753 aka 'Spectre Variant 1, bounds check bypass'
+    * Mitigated according to the /sys interface: YES (Mitigation: __user pointer sanitization)
+    * Kernel has array_index_mask_nospec: YES (1 occurrence(s) found of x86 64 bits array_index_mask_nospec())
+    * Kernel has the Red Hat/Ubuntu patch: NO
+    * Kernel has mask_nospec64 (arm64): NO
+    > STATUS: NOT VULNERABLE (Mitigation: __user pointer sanitization)
+
+    CVE-2017-5715 aka 'Spectre Variant 2, branch target injection'
+    * Mitigated according to the /sys interface: YES (Mitigation: Full generic retpoline, IBPB, IBRS_FW)
+    * Mitigation 1
+      * Kernel is compiled with IBRS support: YES
+        * IBRS enabled and active: YES (for kernel and firmware code)
+      * Kernel is compiled with IBPB support: YES
+        * IBPB enabled and active: YES
+    * Mitigation 2
+      * Kernel has branch predictor hardening (arm): NO
+      * Kernel compiled with retpoline option: YES
+        * Kernel compiled with a retpoline-aware compiler: YES (kernel reports full retpoline compilation)
+    > STATUS: NOT VULNERABLE (Full retpoline + IBPB are mitigating the vulnerability)
+
+    CVE-2017-5754 aka 'Variant 3, Meltdown, rogue data cache load'
+    * Mitigated according to the /sys interface: YES (Not affected)
+    * Kernel supports Page Table Isolation (PTI): YES
+      * PTI enabled and active: NO
+      * Reduced performance impact of PTI: NO (PCID/INVPCID not supported, performance impact of PTI will be significant)
+    * Running as a Xen PV DomU: NO
+    > STATUS: NOT VULNERABLE (your CPU vendor reported your CPU model as not vulnerable)
+
+    CVE-2018-3640 aka 'Variant 3a, rogue system register read'
+    * CPU microcode mitigates the vulnerability: YES
+    > STATUS: NOT VULNERABLE (your CPU microcode mitigates the vulnerability)
+
+    CVE-2018-3639 aka 'Variant 4, speculative store bypass'
+    * Mitigated according to the /sys interface: YES (Mitigation: Speculative Store Bypass disabled via prctl and seccomp)
+    * Kernel supports speculation store bypass: YES (found in /proc/self/status)
+    > STATUS: NOT VULNERABLE (Mitigation: Speculative Store Bypass disabled via prctl and seccomp)
+
+    CVE-2018-3615 aka 'Foreshadow (SGX), L1 terminal fault'
+    * CPU microcode mitigates the vulnerability: N/A
+    > STATUS: NOT VULNERABLE (your CPU vendor reported your CPU model as not vulnerable)
+
+    CVE-2018-3620 aka 'Foreshadow-NG (OS), L1 terminal fault'
+    * Mitigated according to the /sys interface: YES (Not affected)
+    * Kernel supports PTE inversion: YES (found in kernel image)
+    * PTE inversion enabled and active: NO
+    > STATUS: NOT VULNERABLE (Not affected)
+
+    CVE-2018-3646 aka 'Foreshadow-NG (VMM), L1 terminal fault'
+    * Information from the /sys interface:
+    * This system is a host running an hypervisor: NO
+    * Mitigation 1 (KVM)
+      * EPT is disabled: NO
+    * Mitigation 2
+      * L1D flush is supported by kernel: YES (found flush_l1d in kernel image)
+      * L1D flush enabled: UNKNOWN (unrecognized mode)
+      * Hardware-backed L1D flush supported: NO (flush will be done in software, this is slower)
+      * Hyper-Threading (SMT) is enabled: NO
+    > STATUS: NOT VULNERABLE (this system is not running an hypervisor)
+
+    > SUMMARY: CVE-2017-5753:OK CVE-2017-5715:OK CVE-2017-5754:OK CVE-2018-3640:OK CVE-2018-3639:OK CVE-2018-3615:OK CVE-2018-3620:OK CVE-2018-3646:OK
+
+    Need more detailed information about mitigation options? Use --explain
+    A false sense of security is worse than no security at all, see --disclaimer