From be32ae19e41a86df336d775e314462c6d0bf965c Mon Sep 17 00:00:00 2001 From: Tibor Frank Date: Fri, 10 Jan 2020 13:41:09 +0100 Subject: Report: Add placeholders for new TBs Change-Id: I92cb693343c4f96503b45a15211e0dadd6fcde5f Signed-off-by: Tibor Frank --- .../test_environment_sut_meltspec_tsh.rst | 154 +++++++++++++++++++++ 1 file changed, 154 insertions(+) create mode 100644 docs/report/introduction/test_environment_sut_meltspec_tsh.rst (limited to 'docs/report/introduction/test_environment_sut_meltspec_tsh.rst') diff --git a/docs/report/introduction/test_environment_sut_meltspec_tsh.rst b/docs/report/introduction/test_environment_sut_meltspec_tsh.rst new file mode 100644 index 0000000000..059f0f99a3 --- /dev/null +++ b/docs/report/introduction/test_environment_sut_meltspec_tsh.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 v0.43 + + awk: cannot open bash (No such file or directory) + Checking for vulnerabilities on current system + Kernel is Linux 4.15.0-23-generic #25-Ubuntu SMP Wed May 23 18:02:16 UTC 2018 x86_64 + CPU is Intel(R) Xeon(R) Platinum 8180 CPU @ 2.50GHz + + 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: NO + * L1 data cache invalidation + * FLUSH_CMD MSR is available: NO + * CPU indicates L1D flush capability: NO + * Microarchitectural Data Sampling + * VERW instruction is available: NO + * Enhanced IBRS (IBRS_ALL) + * CPU indicates ARCH_CAPABILITIES MSR availability: NO + * ARCH_CAPABILITIES MSR advertises IBRS_ALL capability: NO + * CPU explicitly indicates not being vulnerable to Meltdown/L1TF (RDCL_NO): NO + * CPU explicitly indicates not being vulnerable to Variant 4 (SSB_NO): NO + * CPU/Hypervisor indicates L1D flushing is not necessary on this system: NO + * Hypervisor indicates host CPU might be vulnerable to RSB underflow (RSBA): NO + * CPU explicitly indicates not being vulnerable to Microarchitectural Data Sampling (MDS_NO): NO + * CPU explicitly indicates not being vulnerable to TSX Asynchronous Abort (TAA_NO): NO + * CPU explicitly indicates not being vulnerable to iTLB Multihit (PSCHANGE_MSC_NO): NO + * CPU explicitly indicates having MSR for TSX control (TSX_CTRL_MSR): NO + * CPU supports Transactional Synchronization Extensions (TSX): YES (RTM feature bit) + * CPU supports Software Guard Extensions (SGX): NO + * CPU microcode is known to cause stability problems: NO (model 0x55 family 0x6 stepping 0x4 ucode 0x2000043 cpuid 0x50654) + * CPU microcode is the latest known available version: awk: cannot open bash (No such 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): YES + * 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 + * Vulnerable to CVE-2018-12126 (Fallout, microarchitectural store buffer data sampling (MSBDS)): YES + * Vulnerable to CVE-2018-12130 (ZombieLoad, microarchitectural fill buffer data sampling (MFBDS)): YES + * Vulnerable to CVE-2018-12127 (RIDL, microarchitectural load port data sampling (MLPDS)): YES + * Vulnerable to CVE-2019-11091 (RIDL, microarchitectural data sampling uncacheable memory (MDSUM)): YES + * Vulnerable to CVE-2019-11135 (ZombieLoad V2, TSX Asynchronous Abort (TAA)): YES + * Vulnerable to CVE-2018-12207 (No eXcuses, iTLB Multihit, machine check exception on page size changes (MCEPSC)): 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 firmware code only) + * 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) + * Kernel supports RSB filling: YES + > 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 (Mitigation: PTI) + * Kernel supports Page Table Isolation (PTI): YES + * PTI enabled and active: YES + * 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 (Mitigation: PTI) + + CVE-2018-3640 aka Variant 3a, rogue system register read + * CPU microcode mitigates the vulnerability: NO + > STATUS: VULNERABLE (an up-to-date CPU microcode is needed to mitigate this vulnerability) + + CVE-2018-3639 aka Variant 4, speculative store bypass + * Mitigated according to the /sys interface: NO (Vulnerable) + * Kernel supports disabling speculative store bypass (SSB): YES (found in /proc/self/status) + * SSB mitigation is enabled and active: NO + > STATUS: VULNERABLE (Your CPU doesnt support SSBD) + + 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 + * Kernel supports PTE inversion: NO + * PTE inversion enabled and active: UNKNOWN (sysfs interface not available) + > STATUS: VULNERABLE (Your kernel doesnt support PTE inversion, update it) + + CVE-2018-3646 aka Foreshadow-NG (VMM), L1 terminal fault + * This system is a host running a hypervisor: NO + * Mitigation 1 (KVM) + * EPT is disabled: NO + * Mitigation 2 + * L1D flush is supported by kernel: NO + * L1D flush enabled: UNKNOWN (cant find or read /sys/devices/system/cpu/vulnerabilities/l1tf) + * Hardware-backed L1D flush supported: NO (flush will be done in software, this is slower) + * Hyper-Threading (SMT) is enabled: YES + > STATUS: NOT VULNERABLE (this system is not running a hypervisor) + + CVE-2018-12126 aka Fallout, microarchitectural store buffer data sampling (MSBDS) + * Kernel supports using MD_CLEAR mitigation: NO + > STATUS: VULNERABLE (Neither your kernel or your microcode support mitigation, upgrade both to mitigate the vulnerability) + + CVE-2018-12130 aka ZombieLoad, microarchitectural fill buffer data sampling (MFBDS) + * Kernel supports using MD_CLEAR mitigation: NO + > STATUS: VULNERABLE (Neither your kernel or your microcode support mitigation, upgrade both to mitigate the vulnerability) + + CVE-2018-12127 aka RIDL, microarchitectural load port data sampling (MLPDS) + * Kernel supports using MD_CLEAR mitigation: NO + > STATUS: VULNERABLE (Neither your kernel or your microcode support mitigation, upgrade both to mitigate the vulnerability) + + CVE-2019-11091 aka RIDL, microarchitectural data sampling uncacheable memory (MDSUM) + * Kernel supports using MD_CLEAR mitigation: NO + > STATUS: VULNERABLE (Neither your kernel or your microcode support mitigation, upgrade both to mitigate the vulnerability) + + CVE-2019-11135 aka ZombieLoad V2, TSX Asynchronous Abort (TAA) + * TAA mitigation is supported by kernel: NO + * TAA mitigation enabled and active: NO (tsx_async_abort not found in sysfs hierarchy) + > STATUS: VULNERABLE (Your kernel doesnt support TAA mitigation, update it) + + CVE-2018-12207 aka No eXcuses, iTLB Multihit, machine check exception on page size changes (MCEPSC) + * This system is a host running a hypervisor: NO + * iTLB Multihit mitigation is supported by kernel: NO + * iTLB Multihit mitigation enabled and active: NO (itlb_multihit not found in sysfs hierarchy) + > STATUS: NOT VULNERABLE (this system is not running a hypervisor) + + > SUMMARY: CVE-2017-5753:OK CVE-2017-5715:OK CVE-2017-5754:OK CVE-2018-3640:KO CVE-2018-3639:KO CVE-2018-3615:OK CVE-2018-3620:KO CVE-2018-3646:OK CVE-2018-12126:KO CVE-2018-12130:KO CVE-2018-12127:KO CVE-2019-11091:KO CVE-2019-11135:KO CVE-2018-12207:OK -- cgit 1.2.3-korg