diff options
author | 2019-08-09 07:48:43 +0000 | |
---|---|---|
committer | 2019-08-09 08:29:19 +0000 | |
commit | ce1c52b1fd27d3e2b6c4909219fa98418565ba61 (patch) | |
tree | 80d95c9987fbf21e0d41507b4740034562912812 /docs/report/introduction/test_environment_sut_meltspec_hsw.rst | |
parent | d6c832b02ac7d3073dd8651b089a72ec8240b183 (diff) |
DOC: rls1908 static content
Signed-off-by: Peter Mikus <pmikus@cisco.com>
Change-Id: Ia0778acc543a51fe85b8a75162f12905badaa382
Diffstat (limited to 'docs/report/introduction/test_environment_sut_meltspec_hsw.rst')
-rw-r--r-- | docs/report/introduction/test_environment_sut_meltspec_hsw.rst | 244 |
1 files changed, 128 insertions, 116 deletions
diff --git a/docs/report/introduction/test_environment_sut_meltspec_hsw.rst b/docs/report/introduction/test_environment_sut_meltspec_hsw.rst index 71787f0691..8634aa4cfa 100644 --- a/docs/report/introduction/test_environment_sut_meltspec_hsw.rst +++ b/docs/report/introduction/test_environment_sut_meltspec_hsw.rst @@ -6,121 +6,133 @@ 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-Ubuntu SMP Mon Sep 24 16:19:09 UTC 2018 x86_64 - CPU is Intel(R) Xeon(R) CPU E5-2699 v3 @ 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) - * 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 (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 supports Software Guard Extensions (SGX): NO - * CPU microcode is known to cause stability problems: NO (model 0x3f family 0x6 stepping 0x2 ucode 0x3d cpuid 0x306f2) - * CPU microcode is the latest known available version: YES (latest version is 0x3d dated 2018/04/20 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): 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 - - 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 (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: 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 (Mitigation: PTE Inversion) - * Kernel supports PTE inversion: YES (found in kernel image) - * PTE inversion enabled and active: YES - > STATUS: NOT VULNERABLE (Mitigation: PTE Inversion) - - CVE-2018-3646 aka 'Foreshadow-NG (VMM), L1 terminal fault' - * Information from the /sys interface: VMX: conditional cache flushes, SMT disabled - * 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 /proc/cpuinfo) - * L1D flush enabled: YES (conditional flushes) - * Hardware-backed L1D flush supported: YES (performance impact of the mitigation will be greatly reduced) - * 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 + Spectre and Meltdown mitigation detection tool v0.42 + + Checking for vulnerabilities on current system + Kernel is Linux 4.15.0-36-generic #39-Ubuntu SMP Mon Sep 24 16:19:09 UTC 2018 x86_64 + CPU is Intel(R) Xeon(R) CPU E5-2699 v3 @ 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: 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 supports Software Guard Extensions (SGX): NO + * CPU microcode is known to cause stability problems: NO (model 0x3f family 0x6 stepping 0x2 ucode 0x3d cpuid 0x306f2) + * 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 + + 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) + > 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: 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 (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 (Mitigation: PTE Inversion; VMX: conditional cache flushes, SMT disabled) + * Kernel supports PTE inversion: YES (found in kernel image) + * PTE inversion enabled and active: YES + > STATUS: NOT VULNERABLE (Mitigation: PTE Inversion; VMX: conditional cache flushes, SMT disabled) + + CVE-2018-3646 aka Foreshadow-NG (VMM), L1 terminal fault + * Information from the /sys interface: Mitigation: PTE Inversion; VMX: conditional cache flushes, SMT disabled + * 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: YES (conditional flushes) + * Hardware-backed L1D flush supported: YES (performance impact of the mitigation will be greatly reduced) + * Hyper-Threading (SMT) is enabled: NO + > 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) + + > 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:KO CVE-2018-12130:KO CVE-2018-12127:KO CVE-2019-11091:KO |