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diff --git a/docs/report/introduction/test_environment_sut_meltspec_clx.rst b/docs/report/introduction/test_environment_sut_meltspec_clx.rst index 826e6d37b4..6261c5653c 100644 --- a/docs/report/introduction/test_environment_sut_meltspec_clx.rst +++ b/docs/report/introduction/test_environment_sut_meltspec_clx.rst @@ -8,174 +8,130 @@ made public in 2018. Script is available on `Spectre & Meltdown Checker Github :: - Spectre and Meltdown mitigation detection tool v0.43 - - awk: fatal: cannot open file `bash for reading (No such file or directory) - Checking for vulnerabilities on current system - Kernel is Linux 4.15.0-72-generic #81-Ubuntu SMP Tue Nov 26 12:20:02 UTC 2019 x86_64 - CPU is Intel(R) Xeon(R) Platinum 8280 CPU @ 2.70GHz + Spectre and Meltdown mitigation detection tool v0.44+ 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) - * Microarchitectural 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 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): YES - * TSX_CTRL MSR indicates TSX RTM is disabled: YES - * TSX_CTRL MSR indicates TSX CPUID bit is cleared: YES - * CPU supports Transactional Synchronization Extensions (TSX): NO - * CPU supports Software Guard Extensions (SGX): NO - * CPU microcode is known to cause stability problems: NO (model 0x55 family 0x6 stepping 0x7 ucode 0x500002c cpuid 0x50657) - * CPU microcode is the latest known available version: awk: fatal: cannot open file `bash for reading (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): 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 - * 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 - * Vulnerable to CVE-2019-11135 (ZombieLoad V2, TSX Asynchronous Abort (TAA)): NO - * 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: usercopy/swapgs barriers and __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: 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: UNKNOWN (dmesg truncated, please reboot and relaunch this script) - * 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 (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 (Not affected) - - 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 kernel 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) - - CVE-2019-11135 aka ZombieLoad V2, TSX Asynchronous Abort (TAA) - * Mitigated according to the /sys interface: YES (Mitigation: TSX disabled) - * TAA mitigation is supported by kernel: YES (found tsx_async_abort in kernel image) - * TAA mitigation enabled and active: YES (Mitigation: TSX disabled) - > STATUS: NOT VULNERABLE (your CPU vendor reported your CPU model as not vulnerable) - - CVE-2018-12207 aka No eXcuses, iTLB Multihit, machine check exception on page size changes (MCEPSC) - * Mitigated according to the /sys interface: YES (KVM: Mitigation: Split huge pages) - * This system is a host running a hypervisor: NO - * iTLB Multihit mitigation is supported by kernel: YES (found itlb_multihit in kernel image) - * iTLB Multihit mitigation enabled and active: YES (KVM: Mitigation: Split huge pages) - > 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: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 CVE-2019-11135:OK CVE-2018-12207:OK + * 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) + * Microarchitectural 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 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): YES + * TSX_CTRL MSR indicates TSX RTM is disabled: YES + * TSX_CTRL MSR indicates TSX CPUID bit is cleared: YES + * CPU supports Transactional Synchronization Extensions (TSX): NO + * CPU supports Software Guard Extensions (SGX): NO + * CPU supports Special Register Buffer Data Sampling (SRBDS): NO + * CPU microcode is known to cause stability problems: NO (family 0x6 model 0x55 stepping 0x7 ucode 0x500002c cpuid 0x50657) + * CPU microcode is the latest known available version: NO (latest version is 0x5003102 dated 2021/03/08 according to builtin firmwares DB v191+i20210217) + * CPU vulnerability to the speculative execution attack variants + * Affected by CVE-2017-5753 (Spectre Variant 1, bounds check bypass): YES + * Affected by CVE-2017-5715 (Spectre Variant 2, branch target injection): YES + * Affected by CVE-2017-5754 (Variant 3, Meltdown, rogue data cache load): NO + * Affected by CVE-2018-3640 (Variant 3a, rogue system register read): YES + * Affected by CVE-2018-3639 (Variant 4, speculative store bypass): YES + * Affected by CVE-2018-3615 (Foreshadow (SGX), L1 terminal fault): NO + * Affected by CVE-2018-3620 (Foreshadow-NG (OS), L1 terminal fault): YES + * Affected by CVE-2018-3646 (Foreshadow-NG (VMM), L1 terminal fault): YES + * Affected by CVE-2018-12126 (Fallout, microarchitectural store buffer data sampling (MSBDS)): NO + * Affected by CVE-2018-12130 (ZombieLoad, microarchitectural fill buffer data sampling (MFBDS)): NO + * Affected by CVE-2018-12127 (RIDL, microarchitectural load port data sampling (MLPDS)): NO + * Affected by CVE-2019-11091 (RIDL, microarchitectural data sampling uncacheable memory (MDSUM)): NO + * Affected by CVE-2019-11135 (ZombieLoad V2, TSX Asynchronous Abort (TAA)): NO + * Affected by CVE-2018-12207 (No eXcuses, iTLB Multihit, machine check exception on page size changes (MCEPSC)): YES + * Affected by CVE-2020-0543 (Special Register Buffer Data Sampling (SRBDS)): 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 sanitization) + > STATUS: UNKNOWN (/sys vulnerability interface use forced, but it s not available!) + + CVE-2017-5715 aka Spectre Variant 2, branch target injection + * Mitigated according to the /sys interface: YES (Mitigation: Enhanced IBRS, IBPB: conditional, RSB filling) + > STATUS: VULNERABLE (IBRS+IBPB or retpoline+IBPB+RSB filling, is needed to mitigate the vulnerability) + + CVE-2017-5754 aka Variant 3, Meltdown, rogue data cache load + * Mitigated according to the /sys interface: YES (Not affected) + * 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) + > 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) + > STATUS: NOT VULNERABLE (Not affected) + + CVE-2018-3646 aka Foreshadow-NG (VMM), L1 terminal fault + * Information from the /sys interface: Not affected + > STATUS: NOT VULNERABLE (your kernel 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) + > 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) + > 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) + > 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) + > STATUS: NOT VULNERABLE (your CPU vendor reported your CPU model as not vulnerable) + + CVE-2019-11135 aka ZombieLoad V2, TSX Asynchronous Abort (TAA) + * Mitigated according to the /sys interface: YES (Mitigation: TSX disabled) + > STATUS: NOT VULNERABLE (your CPU vendor reported your CPU model as not vulnerable) + + CVE-2018-12207 aka No eXcuses, iTLB Multihit, machine check exception on page size changes (MCEPSC) + * Mitigated according to the /sys interface: YES (KVM: Mitigation: Split huge pages) + > STATUS: NOT VULNERABLE (KVM: Mitigation: Split huge pages) + + CVE-2020-0543 aka Special Register Buffer Data Sampling (SRBDS) + * Mitigated according to the /sys interface: YES (Not affected) + > STATUS: NOT VULNERABLE (your CPU vendor reported your CPU model as not vulnerable) + + > SUMMARY: CVE-2017-5753:?? CVE-2017-5715:KO 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 CVE-2019-11135:OK CVE-2018-12207:OK CVE-2020-0543:OK :: - awk: fatal: cannot open file `bash for reading (No such file or directory) + Spectre and Meltdown mitigation detection tool v0.44+ + Checking for vulnerabilities on current system - Kernel is Linux 4.15.0-72-generic #81-Ubuntu SMP Tue Nov 26 12:20:02 UTC 2019 x86_64 + Kernel is Linux 5.4.0-65-generic #73-Ubuntu SMP Mon Jan 18 17:25:17 UTC 2021 x86_64 CPU is Intel(R) Xeon(R) Gold 6252N CPU @ 2.30GHz Hardware check @@ -211,50 +167,36 @@ made public in 2018. Script is available on `Spectre & Meltdown Checker Github * TSX_CTRL MSR indicates TSX CPUID bit is cleared: YES * CPU supports Transactional Synchronization Extensions (TSX): NO * CPU supports Software Guard Extensions (SGX): NO + * CPU supports Special Register Buffer Data Sampling (SRBDS): NO * CPU microcode is known to cause stability problems: NO (family 0x6 model 0x55 stepping 0x7 ucode 0x500002c cpuid 0x50657) - * CPU microcode is the latest known available version: awk: fatal: cannot open file `bash for reading (No such file or directory) - UNKNOWN (latest microcode version for your CPU model is unknown) + * CPU microcode is the latest known available version: NO (latest version is 0x5003102 dated 2021/03/08 according to builtin firmwares DB v191+i20210217) * 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 - * 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 - * Vulnerable to CVE-2019-11135 (ZombieLoad V2, TSX Asynchronous Abort (TAA)): NO - * Vulnerable to CVE-2018-12207 (No eXcuses, iTLB Multihit, machine check exception on page size changes (MCEPSC)): YES + * Affected by CVE-2017-5753 (Spectre Variant 1, bounds check bypass): YES + * Affected by CVE-2017-5715 (Spectre Variant 2, branch target injection): YES + * Affected by CVE-2017-5754 (Variant 3, Meltdown, rogue data cache load): NO + * Affected by CVE-2018-3640 (Variant 3a, rogue system register read): YES + * Affected by CVE-2018-3639 (Variant 4, speculative store bypass): YES + * Affected by CVE-2018-3615 (Foreshadow (SGX), L1 terminal fault): NO + * Affected by CVE-2018-3620 (Foreshadow-NG (OS), L1 terminal fault): YES + * Affected by CVE-2018-3646 (Foreshadow-NG (VMM), L1 terminal fault): YES + * Affected by CVE-2018-12126 (Fallout, microarchitectural store buffer data sampling (MSBDS)): NO + * Affected by CVE-2018-12130 (ZombieLoad, microarchitectural fill buffer data sampling (MFBDS)): NO + * Affected by CVE-2018-12127 (RIDL, microarchitectural load port data sampling (MLPDS)): NO + * Affected by CVE-2019-11091 (RIDL, microarchitectural data sampling uncacheable memory (MDSUM)): NO + * Affected by CVE-2019-11135 (ZombieLoad V2, TSX Asynchronous Abort (TAA)): NO + * Affected by CVE-2018-12207 (No eXcuses, iTLB Multihit, machine check exception on page size changes (MCEPSC)): YES + * Affected by CVE-2020-0543 (Special Register Buffer Data Sampling (SRBDS)): 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 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: usercopy/swapgs barriers and __user pointer sanitization) + > STATUS: UNKNOWN (/sys vulnerability interface use forced, but its not available!) 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) + > STATUS: VULNERABLE (IBRS+IBPB or retpoline+IBPB+RSB filling, is needed to mitigate 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: UNKNOWN (dmesg truncated, please reboot and relaunch this script) - * 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) @@ -264,9 +206,6 @@ made public in 2018. Script is available on `Spectre & Meltdown Checker Github 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 @@ -275,61 +214,38 @@ made public in 2018. Script is available on `Spectre & Meltdown Checker Github 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: 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 kernel 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) CVE-2019-11135 aka ZombieLoad V2, TSX Asynchronous Abort (TAA) * Mitigated according to the /sys interface: YES (Mitigation: TSX disabled) - * TAA mitigation is supported by kernel: YES (found tsx_async_abort in kernel image) - * TAA mitigation enabled and active: YES (Mitigation: TSX disabled) > STATUS: NOT VULNERABLE (your CPU vendor reported your CPU model as not vulnerable) CVE-2018-12207 aka No eXcuses, iTLB Multihit, machine check exception on page size changes (MCEPSC) * Mitigated according to the /sys interface: YES (KVM: Mitigation: Split huge pages) - * This system is a host running a hypervisor: NO - * iTLB Multihit mitigation is supported by kernel: YES (found itlb_multihit in kernel image) - * iTLB Multihit mitigation enabled and active: YES (KVM: Mitigation: Split huge pages) - > STATUS: NOT VULNERABLE (this system is not running a hypervisor) + > STATUS: NOT VULNERABLE (KVM: Mitigation: Split huge pages) + + CVE-2020-0543 aka Special Register Buffer Data Sampling (SRBDS) + * Mitigated according to the /sys interface: YES (Not affected) + > 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 CVE-2019-11135:OK CVE-2018-12207:OK + > SUMMARY: CVE-2017-5753:?? CVE-2017-5715:KO 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 CVE-2019-11135:OK CVE-2018-12207:OK CVE-2020-0543:OK |