From b82474874d4329d3e82ea8a22754b7b04cf969ee Mon Sep 17 00:00:00 2001 From: Peter Mikus Date: Tue, 10 Sep 2019 11:27:11 +0000 Subject: Ansible: Cascadelake include Signed-off-by: Peter Mikus Change-Id: Iecb18e9d94ff715e40152564fb778650d43a48d3 --- .../test_environment_sut_meltspec_clx.rst | 154 +++++++++++++++++++++ 1 file changed, 154 insertions(+) create mode 100644 docs/report/introduction/test_environment_sut_meltspec_clx.rst (limited to 'docs/report/introduction/test_environment_sut_meltspec_clx.rst') diff --git a/docs/report/introduction/test_environment_sut_meltspec_clx.rst b/docs/report/introduction/test_environment_sut_meltspec_clx.rst new file mode 100644 index 0000000000..9056be839b --- /dev/null +++ b/docs/report/introduction/test_environment_sut_meltspec_clx.rst @@ -0,0 +1,154 @@ +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 +`_. + +:: + + Spectre and Meltdown mitigation detection tool v0.42 + + Checking for vulnerabilities on current system + Kernel is Linux 4.15.0-60-generic #67-Ubuntu SMP Thu Aug 22 16:55:30 UTC 2019 x86_64 + CPU is Intel(R) Xeon(R) Gold 6252N CPU @ 2.30GHz + + 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: YES + * CPU indicates L1D flush capability: YES (L1D flush feature bit) + * Microarchitecture Data Sampling + * VERW instruction is available: YES (MD_CLEAR feature bit) + * Enhanced IBRS (IBRS_ALL) + * CPU indicates ARCH_CAPABILITIES MSR availability: YES + * ARCH_CAPABILITIES MSR advertises IBRS_ALL capability: YES + * CPU explicitly indicates not being vulnerable to Meltdown/L1TF (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 explicitly indicates not being vulnerable to Microarchitectural Data Sampling (MDS_NO): YES + * CPU supports Software Guard Extensions (SGX): NO + * CPU microcode is known to cause stability problems: NO (model 0x55 family 0x6 stepping 0x7 ucode 0x5000021 cpuid 0x50657) + * CPU microcode is the latest known available version: awk: fatal: cannot open file `bash' for reading (No file or directory) + UNKNOWN (latest microcode version for your CPU model is unknown) + * 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): NO + * Vulnerable to CVE-2018-3646 (Foreshadow-NG (VMM), L1 terminal fault): NO + * Vulnerable to CVE-2018-12126 (Fallout, microarchitectural store buffer data sampling (MSBDS)): NO + * Vulnerable to CVE-2018-12130 (ZombieLoad, microarchitectural fill buffer data sampling (MFBDS)): NO + * Vulnerable to CVE-2018-12127 (RIDL, microarchitectural load port data sampling (MLPDS)): NO + * Vulnerable to CVE-2019-11091 (RIDL, microarchitectural data sampling uncacheable memory (MDSUM)): NO + + CVE-2017-5753 aka 'Spectre Variant 1, bounds check bypass' + * Mitigated according to the /sys interface: YES (Mitigation: usercopy/swapgs barriers and __user pointer saniation) + * 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 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: usercopy/swapgs barriers and __user pointer sanitization) + + CVE-2017-5715 aka 'Spectre Variant 2, branch target injection' + * Mitigated according to the /sys interface: YES (Mitigation: Enhanced IBRS, IBPB: conditional, RSB filling) + * Mitigation 1 + * Kernel is compiled with IBRS support: YES + * IBRS enabled and active: YES (Enhanced flavor, performance impact will be greatly reduced) + * 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 supports RSB filling: YES + > STATUS: NOT VULNERABLE (Enhanced IBRS + 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: YES (CPU supports INVPCID, performance impact of PTI will be greatly reduced) + * 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 disabling speculative store bypass (SSB): YES (found in /proc/self/status) + * SSB mitigation is enabled and active: YES (per-thread through prctl) + * SSB mitigation currently active for selected processes: YES ((deleted) systemd-journald systemd-logind systemd-networkd systemd-resolved systemd-timesyncd systemd-udevd) + > 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 (your CPU vendor reported your CPU model as not vulnerable) + + CVE-2018-3646 aka 'Foreshadow-NG (VMM), L1 terminal fault' + * Information from the /sys interface: Not affected + * This system is a host running a hypervisor: NO + * Mitigation 1 (KVM) + * EPT is disabled: NO + * Mitigation 2 + * L1D flush is supported by kernel: YES (found flush_l1d in /proc/cpuinfo) + * L1D flush enabled: NO + * Hardware-backed L1D flush supported: YES (performance impact of the mitigation will be greatly reduced) + + * Hyper-Threading (SMT) is enabled: YES + > STATUS: NOT VULNERABLE (your CPU vendor reported your CPU model as not vulnerable) + + CVE-2018-12126 aka 'Fallout, microarchitectural store buffer data sampling (MSBDS)' + * Mitigated according to the /sys interface: YES (Not affected) + * Kernel supports using MD_CLEAR mitigation: YES (md_clear found in /proc/cpuinfo) + * Kernel mitigation is enabled and active: NO + * SMT is either mitigated or disabled: NO + > STATUS: NOT VULNERABLE (your CPU vendor reported your CPU model as not vulnerable) + + CVE-2018-12130 aka 'ZombieLoad, microarchitectural fill buffer data sampling (MFBDS)' + * Mitigated according to the /sys interface: YES (Not affected) + * Kernel supports using MD_CLEAR mitigation: YES (md_clear found in /proc/cpuinfo) + * Kernel mitigation is enabled and active: NO + * SMT is either mitigated or disabled: NO + > STATUS: NOT VULNERABLE (your CPU vendor reported your CPU model as not vulnerable) + + CVE-2018-12127 aka 'RIDL, microarchitectural load port data sampling (MLPDS)' + * Mitigated according to the /sys interface: YES (Not affected) + * Kernel supports using MD_CLEAR mitigation: YES (md_clear found in /proc/cpuinfo) + * Kernel mitigation is enabled and active: NO + * SMT is either mitigated or disabled: NO + > STATUS: NOT VULNERABLE (your CPU vendor reported your CPU model as not vulnerable) + + CVE-2019-11091 aka 'RIDL, microarchitectural data sampling uncacheable memory (MDSUM)' + * Mitigated according to the /sys interface: YES (Not affected) + * Kernel supports using MD_CLEAR mitigation: YES (md_clear found in /proc/cpuinfo) + * Kernel mitigation is enabled and active: NO + * SMT is either mitigated or disabled: NO + > STATUS: NOT VULNERABLE (your CPU vendor reported your CPU model as not vulnerable) + + > 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 CVE-2018-12126:OK CVE-2018-12130:OK CVE-2018-12127:OK CVE-2019-11091:OK + -- cgit 1.2.3-korg