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1 files changed, 342 insertions, 44 deletions
diff --git a/docs/report/introduction/test_environment_sut_meltspec_tsh.rst b/docs/report/introduction/test_environment_sut_meltspec_tsh.rst index f7d385061c..67c90559c8 100644 --- a/docs/report/introduction/test_environment_sut_meltspec_tsh.rst +++ b/docs/report/introduction/test_environment_sut_meltspec_tsh.rst @@ -8,11 +8,10 @@ made public in 2018. Script is available on `Spectre & Meltdown Checker Github :: - Spectre and Meltdown mitigation detection tool v0.43 + Spectre and Meltdown mitigation detection tool v0.44+ - 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 + 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) Platinum 8180 CPU @ 2.50GHz Hardware check @@ -27,12 +26,12 @@ made public in 2018. Script is available on `Spectre & Meltdown Checker Github * 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 + * CPU indicates SSBD capability: YES (Intel SSBD) * L1 data cache invalidation - * FLUSH_CMD MSR is available: NO - * CPU indicates L1D flush capability: NO + * FLUSH_CMD MSR is available: YES + * CPU indicates L1D flush capability: YES (L1D flush feature bit) * Microarchitectural Data Sampling - * VERW instruction is available: NO + * VERW instruction is available: YES (MD_CLEAR feature bit) * Enhanced IBRS (IBRS_ALL) * CPU indicates ARCH_CAPABILITIES MSR availability: NO * ARCH_CAPABILITIES MSR advertises IBRS_ALL capability: NO @@ -46,34 +45,36 @@ made public in 2018. Script is available on `Spectre & Meltdown Checker Github * 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 supports Special Register Buffer Data Sampling (SRBDS): NO + * CPU microcode is known to cause stability problems: NO (family 0x6 model 0x55 stepping 0x4 ucode 0x2000065 cpuid 0x50654) + * CPU microcode is the latest known available version: NO (latest version is 0x2006b06 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): 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 + * 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): YES + * 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)): YES + * Affected by CVE-2018-12130 (ZombieLoad, microarchitectural fill buffer data sampling (MFBDS)): YES + * Affected by CVE-2018-12127 (RIDL, microarchitectural load port data sampling (MLPDS)): YES + * Affected by CVE-2019-11091 (RIDL, microarchitectural data sampling uncacheable memory (MDSUM)): YES + * Affected by CVE-2019-11135 (ZombieLoad V2, TSX Asynchronous Abort (TAA)): YES + * 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: __user pointer sanitization) + * 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: __user pointer sanitization) + * Kernel has array_index_nospec (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: Full generic retpoline, IBPB, IBRS_FW) + * Mitigated according to the /sys interface: YES (Mitigation: Full generic retpoline, IBPB: conditional, IBRS_FW, STIBP: conditional, RSB filling) * Mitigation 1 * Kernel is compiled with IBRS support: YES * IBRS enabled and active: YES (for firmware code only) @@ -95,6 +96,143 @@ made public in 2018. Script is available on `Spectre & Meltdown Checker Github > 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 (boltd fwupd irqbalance 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 vulnerable) + * 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 vulnerable) + + CVE-2018-3646 aka Foreshadow-NG (VMM), L1 terminal fault + * Information from the /sys interface: Mitigation: PTE Inversion; VMX: conditional cache flushes, SMT vulnerable + * 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: YES + > STATUS: NOT VULNERABLE (this system is not running a hypervisor) + + CVE-2018-12126 aka Fallout, microarchitectural store buffer data sampling (MSBDS) + * Mitigated according to the /sys interface: YES (Mitigation: Clear CPU buffers; SMT vulnerable) + * Kernel supports using MD_CLEAR mitigation: YES (md_clear found in /proc/cpuinfo) + * Kernel mitigation is enabled and active: YES + * SMT is either mitigated or disabled: NO + > STATUS: NOT VULNERABLE (Your microcode and kernel are both up to date for this mitigation, and mitigation is enabled) + + CVE-2018-12130 aka ZombieLoad, microarchitectural fill buffer data sampling (MFBDS) + * Mitigated according to the /sys interface: YES (Mitigation: Clear CPU buffers; SMT vulnerable) + * Kernel supports using MD_CLEAR mitigation: YES (md_clear found in /proc/cpuinfo) + * Kernel mitigation is enabled and active: YES + * SMT is either mitigated or disabled: NO + > STATUS: NOT VULNERABLE (Your microcode and kernel are both up to date for this mitigation, and mitigation is enabled) + + CVE-2018-12127 aka RIDL, microarchitectural load port data sampling (MLPDS) + * Mitigated according to the /sys interface: YES (Mitigation: Clear CPU buffers; SMT vulnerable) + * Kernel supports using MD_CLEAR mitigation: YES (md_clear found in /proc/cpuinfo) + * Kernel mitigation is enabled and active: YES + * SMT is either mitigated or disabled: NO + > STATUS: NOT VULNERABLE (Your microcode and kernel are both up to date for this mitigation, and mitigation is enabled) + + CVE-2019-11091 aka RIDL, microarchitectural data sampling uncacheable memory (MDSUM) + * Mitigated according to the /sys interface: YES (Mitigation: Clear CPU buffers; SMT vulnerable) + * Kernel supports using MD_CLEAR mitigation: YES (md_clear found in /proc/cpuinfo) + * Kernel mitigation is enabled and active: YES + * SMT is either mitigated or disabled: NO + > STATUS: NOT VULNERABLE (Your microcode and kernel are both up to date for this mitigation, and mitigation is enabled) + + CVE-2019-11135 aka ZombieLoad V2, TSX Asynchronous Abort (TAA) + * Mitigated according to the /sys interface: YES (Mitigation: Clear CPU buffers; SMT vulnerable) + * TAA mitigation is supported by kernel: YES (found tsx_async_abort in kernel image) + * TAA mitigation enabled and active: YES (Mitigation: Clear CPU buffers; SMT vulnerable) + > STATUS: NOT VULNERABLE (Mitigation: Clear CPU buffers; SMT 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) + + CVE-2020-0543 aka Special Register Buffer Data Sampling (SRBDS) + * Mitigated according to the /sys interface: YES (Not affected) + * SRBDS mitigation control is supported by the kernel: YES (found SRBDS implementation evidence in kernel image. Your kernel is up to date for SRBDS mitigation) + * SRBDS mitigation control is enabled and active: 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 CVE-2019-11135:OK CVE-2018-12207:OK CVE-2020-0543:OK + +:: + + Spectre and Meltdown mitigation detection tool v0.44+ + + Checking for vulnerabilities on current system + Kernel is Linux 5.4.0-65-generic #73-Ubuntu SMP Mon Jan 18 17:27:25 UTC 2021 aarch64 + CPU is ARM v8 model 0xd08 + + Hardware check + * 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): NO + * Affected by CVE-2018-3646 (Foreshadow-NG (VMM), L1 terminal fault): NO + * 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)): NO + * 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: __user pointer sanitization) + * Kernel has array_index_mask_nospec: NO + * Kernel has the Red Hat/Ubuntu patch: NO + * Kernel has mask_nospec64 (arm64): NO + * Kernel has array_index_nospec (arm64): NO + * Checking count of LFENCE instructions following a jump in kernel... NO (only 0 jump-then-lfence instructions found, should be >= 30 (heuristic)) + > STATUS: NOT VULNERABLE (Mitigation: __user pointer sanitization) + + CVE-2017-5715 aka Spectre Variant 2, branch target injection + * Mitigated according to the /sys interface: NO (Vulnerable) + * Mitigation 1 + * Kernel is compiled with IBRS support: YES + * IBRS enabled and active: NO + * Kernel is compiled with IBPB support: NO + * IBPB enabled and active: NO + * Mitigation 2 + * Kernel has branch predictor hardening (arm): YES + * Kernel compiled with retpoline option: NO + > STATUS: NOT VULNERABLE (Branch predictor hardening mitigates 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: 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: NO > STATUS: VULNERABLE (an up-to-date CPU microcode is needed to mitigate this vulnerability) @@ -109,46 +247,206 @@ made public in 2018. Script is available on `Spectre & Meltdown Checker Github > 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: NO - * PTE inversion enabled and active: UNKNOWN (sysfs interface not available) - > STATUS: VULNERABLE (Your kernel doesnt support PTE inversion, update it) + * 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 + * EPT is disabled: N/A (the kvm_intel module is not loaded) * Mitigation 2 * L1D flush is supported by kernel: NO - * L1D flush enabled: UNKNOWN (cant find or read /sys/devices/system/cpu/vulnerabilities/l1tf) + * L1D flush enabled: NO * 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) + * Hyper-Threading (SMT) is enabled: UNKNOWN + > 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: NO - > STATUS: VULNERABLE (Neither your kernel or your microcode support mitigation, upgrade both to mitigate the vulnerability) + * 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: NO - > STATUS: VULNERABLE (Neither your kernel or your microcode support mitigation, upgrade both to mitigate the vulnerability) + * 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: NO - > STATUS: VULNERABLE (Neither your kernel or your microcode support mitigation, upgrade both to mitigate the vulnerability) + * 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: NO - > STATUS: VULNERABLE (Neither your kernel or your microcode support mitigation, upgrade both to mitigate the vulnerability) + * 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) - * 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) + * Mitigated according to the /sys interface: YES (Not affected) + * TAA mitigation is supported by kernel: YES (found tsx_async_abort in kernel image) + * TAA mitigation enabled and active: NO + > 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 (Not affected) * 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) + * iTLB Multihit mitigation is supported by kernel: YES (found itlb_multihit in kernel image) + * iTLB Multihit mitigation enabled and active: NO + > STATUS: NOT VULNERABLE (your CPU vendor reported your CPU model as not vulnerable) + + CVE-2020-0543 aka Special Register Buffer Data Sampling (SRBDS) + * Mitigated according to the /sys interface: YES (Not affected) + * SRBDS mitigation control is supported by the kernel: NO + * SRBDS mitigation control is enabled and active: 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:KO CVE-2018-3639:KO 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 + + Need more detailed information about mitigation options? Use --explain + A false sense of security is worse than no security at all, see --disclaimer +ok: [10.30.51.37] => + spectre_meltdown_poll_results.stdout_lines: + Spectre and Meltdown mitigation detection tool v0.44+ + + Checking for vulnerabilities on current system + Kernel is Linux 5.4.0-65-generic #73-Ubuntu SMP Mon Jan 18 17:27:25 UTC 2021 aarch64 + CPU is ARM v8 model 0xd08 + + Hardware check + * 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): NO + * Affected by CVE-2018-3646 (Foreshadow-NG (VMM), L1 terminal fault): NO + * 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)): NO + * 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: __user pointer sanitization) + * Kernel has array_index_mask_nospec: NO + * Kernel has the Red Hat/Ubuntu patch: NO + * Kernel has mask_nospec64 (arm64): NO + * Kernel has array_index_nospec (arm64): NO + * Checking count of LFENCE instructions following a jump in kernel... NO (only 0 jump-then-lfence instructions found, should be >= 30 (heuristic)) + > STATUS: NOT VULNERABLE (Mitigation: __user pointer sanitization) + + CVE-2017-5715 aka Spectre Variant 2, branch target injection + * Mitigated according to the /sys interface: NO (Vulnerable) + * Mitigation 1 + * Kernel is compiled with IBRS support: YES + * IBRS enabled and active: NO + * Kernel is compiled with IBPB support: NO + * IBPB enabled and active: NO + * Mitigation 2 + * Kernel has branch predictor hardening (arm): YES + * Kernel compiled with retpoline option: NO + > STATUS: NOT VULNERABLE (Branch predictor hardening mitigates 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: 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: 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 + * Mitigated according to the /sys interface: YES (Not affected) + * Kernel supports PTE inversion: NO + * 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: N/A (the kvm_intel module is not loaded) + * Mitigation 2 + * L1D flush is supported by kernel: NO + * L1D flush enabled: NO + * Hardware-backed L1D flush supported: NO (flush will be done in software, this is slower) + * Hyper-Threading (SMT) is enabled: UNKNOWN + > 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: NO + * 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: NO + * 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: NO + * 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: NO + * 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 (Not affected) + * TAA mitigation is supported by kernel: YES (found tsx_async_abort in kernel image) + * TAA mitigation enabled and active: NO + > 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 (Not affected) + * 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: NO + > STATUS: NOT VULNERABLE (your CPU vendor reported your CPU model as not vulnerable) + + CVE-2020-0543 aka Special Register Buffer Data Sampling (SRBDS) + * Mitigated according to the /sys interface: YES (Not affected) + * SRBDS mitigation control is supported by the kernel: NO + * SRBDS mitigation control is enabled and active: 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: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 + > 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: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 |