Spectre and Meltdown mitigation detection tool v0.42 Checking for vulnerabilities on current system Kernel is [35mLinux 5.0.0-15-generic #16-Ubuntu SMP Mon May 6 17:41:33 UTC 2019 x86_64[0m CPU is [35mIntel(R) Pentium(R) Silver N5000 CPU @ 1.10GHz[0m [1;34mHardware check[0m * Hardware support (CPU microcode) for mitigation techniques * Indirect Branch Restricted Speculation (IBRS) * SPEC_CTRL MSR is available: [42m[30m YES [0m * CPU indicates IBRS capability: [42m[30m YES [0m (SPEC_CTRL feature bit) * Indirect Branch Prediction Barrier (IBPB) * PRED_CMD MSR is available: [42m[30m YES [0m * CPU indicates IBPB capability: [42m[30m YES [0m (SPEC_CTRL feature bit) * Single Thread Indirect Branch Predictors (STIBP) * SPEC_CTRL MSR is available: [42m[30m YES [0m * CPU indicates STIBP capability: [42m[30m YES [0m (Intel STIBP feature bit) * Speculative Store Bypass Disable (SSBD) * CPU indicates SSBD capability: [42m[30m YES [0m (Intel SSBD) * L1 data cache invalidation * FLUSH_CMD MSR is available: [43m[30m NO [0m * CPU indicates L1D flush capability: [43m[30m NO [0m * Microarchitecture Data Sampling * VERW instruction is available: [42m[30m YES [0m (MD_CLEAR feature bit) * Enhanced IBRS (IBRS_ALL) * CPU indicates ARCH_CAPABILITIES MSR availability: [42m[30m YES [0m * ARCH_CAPABILITIES MSR advertises IBRS_ALL capability: [42m[30m YES [0m * CPU explicitly indicates not being vulnerable to Meltdown/L1TF (RDCL_NO): [43m[30m NO [0m * CPU explicitly indicates not being vulnerable to Variant 4 (SSB_NO): [43m[30m NO [0m * CPU/Hypervisor indicates L1D flushing is not necessary on this system: [42m[30m YES [0m * Hypervisor indicates host CPU might be vulnerable to RSB underflow (RSBA): [44m[30m NO [0m * CPU explicitly indicates not being vulnerable to Microarchitectural Data Sampling (MDS_NO): [42m[30m YES [0m * CPU supports Software Guard Extensions (SGX): [44m[30m YES [0m * CPU microcode is known to cause stability problems: [44m[30m NO [0m (model 0x7a family 0x6 stepping 0x1 ucode 0x2e cpuid 0x706a1) * CPU microcode is the latest known available version: [42m[30m YES [0m (latest version is 0x2e dated 2019/01/02 according to builtin MCExtractor DB v111 - 2019/05/18) * CPU vulnerability to the speculative execution attack variants * Vulnerable to CVE-2017-5753 (Spectre Variant 1, bounds check bypass): [43m[30m YES [0m * Vulnerable to CVE-2017-5715 (Spectre Variant 2, branch target injection): [43m[30m YES [0m * Vulnerable to CVE-2017-5754 (Variant 3, Meltdown, rogue data cache load): [43m[30m YES [0m * Vulnerable to CVE-2018-3640 (Variant 3a, rogue system register read): [43m[30m YES [0m * Vulnerable to CVE-2018-3639 (Variant 4, speculative store bypass): [43m[30m YES [0m * Vulnerable to CVE-2018-3615 (Foreshadow (SGX), L1 terminal fault): [42m[30m NO [0m * Vulnerable to CVE-2018-3620 (Foreshadow-NG (OS), L1 terminal fault): [42m[30m NO [0m * Vulnerable to CVE-2018-3646 (Foreshadow-NG (VMM), L1 terminal fault): [42m[30m NO [0m * Vulnerable to CVE-2018-12126 (Fallout, microarchitectural store buffer data sampling (MSBDS)): [42m[30m NO [0m * Vulnerable to CVE-2018-12130 (ZombieLoad, microarchitectural fill buffer data sampling (MFBDS)): [42m[30m NO [0m * Vulnerable to CVE-2018-12127 (RIDL, microarchitectural load port data sampling (MLPDS)): [42m[30m NO [0m * Vulnerable to CVE-2019-11091 (RIDL, microarchitectural data sampling uncacheable memory (MDSUM)): [42m[30m NO [0m [1;34mCVE-2017-5753 aka 'Spectre Variant 1, bounds check bypass'[0m * Mitigated according to the /sys interface: [42m[30m YES [0m (Mitigation: __user pointer sanitization) * Kernel has array_index_mask_nospec: [42m[30m YES [0m (1 occurrence(s) found of x86 64 bits array_index_mask_nospec()) * Kernel has the Red Hat/Ubuntu patch: [43m[30m NO [0m * Kernel has mask_nospec64 (arm64): [43m[30m NO [0m > [46m[30mSTATUS:[0m [42m[30m NOT VULNERABLE [0m (Mitigation: __user pointer sanitization) [1;34mCVE-2017-5715 aka 'Spectre Variant 2, branch target injection'[0m * Mitigated according to the /sys interface: [42m[30m YES [0m (Mitigation: Enhanced IBRS, IBPB: conditional, RSB filling) * Mitigation 1 * Kernel is compiled with IBRS support: [42m[30m YES [0m * IBRS enabled and active: [42m[30m YES [0m * Kernel is compiled with IBPB support: [42m[30m YES [0m * IBPB enabled and active: [42m[30m YES [0m * Mitigation 2 * Kernel has branch predictor hardening (arm): [43m[30m NO [0m * Kernel compiled with retpoline option: [42m[30m YES [0m > [46m[30mSTATUS:[0m [42m[30m NOT VULNERABLE [0m (IBRS + IBPB are mitigating the vulnerability) [1;34mCVE-2017-5754 aka 'Variant 3, Meltdown, rogue data cache load'[0m * Mitigated according to the /sys interface: [42m[30m YES [0m (Mitigation: PTI) * Kernel supports Page Table Isolation (PTI): [42m[30m YES [0m * PTI enabled and active: [42m[30m YES [0m * Reduced performance impact of PTI: [44m[30m NO [0m (PCID/INVPCID not supported, performance impact of PTI will be significant) * Running as a Xen PV DomU: [44m[30m NO [0m > [46m[30mSTATUS:[0m [42m[30m NOT VULNERABLE [0m (Mitigation: PTI) [1;34mCVE-2018-3640 aka 'Variant 3a, rogue system register read'[0m * CPU microcode mitigates the vulnerability: [42m[30m YES [0m > [46m[30mSTATUS:[0m [42m[30m NOT VULNERABLE [0m (your CPU microcode mitigates the vulnerability) [1;34mCVE-2018-3639 aka 'Variant 4, speculative store bypass'[0m * Mitigated according to the /sys interface: [42m[30m YES [0m (Mitigation: Speculative Store Bypass disabled via prctl and seccomp) * Kernel supports disabling speculative store bypass (SSB): [42m[30m YES [0m (found in /proc/self/status) * SSB mitigation is enabled and active: [42m[30m YES [0m (per-thread through prctl) * SSB mitigation currently active for selected processes: [42m[30m YES [0m (boltd chromium-browser fwupd irqbalance ModemManager systemd-journald systemd-logind systemd-resolved systemd-timesyncd systemd-udevd upowerd) > [46m[30mSTATUS:[0m [42m[30m NOT VULNERABLE [0m (Mitigation: Speculative Store Bypass disabled via prctl and seccomp) [1;34mCVE-2018-3615 aka 'Foreshadow (SGX), L1 terminal fault'[0m * CPU microcode mitigates the vulnerability: [41m[30m NO [0m > [46m[30mSTATUS:[0m [42m[30m NOT VULNERABLE [0m (your CPU vendor reported your CPU model as not vulnerable) [1;34mCVE-2018-3620 aka 'Foreshadow-NG (OS), L1 terminal fault'[0m * Mitigated according to the /sys interface: [42m[30m YES [0m (Not affected) * Kernel supports PTE inversion: [42m[30m YES [0m (found in kernel image) * PTE inversion enabled and active: [43m[30m NO [0m > [46m[30mSTATUS:[0m [42m[30m NOT VULNERABLE [0m (your CPU vendor reported your CPU model as not vulnerable) [1;34mCVE-2018-3646 aka 'Foreshadow-NG (VMM), L1 terminal fault'[0m * Information from the /sys interface: Not affected * This system is a host running a hypervisor: [42m[30m NO [0m * Mitigation 1 (KVM) * EPT is disabled: [43m[30m NO [0m * Mitigation 2 * L1D flush is supported by kernel: [42m[30m YES [0m (found flush_l1d in kernel image) * L1D flush enabled: [43m[30m NO [0m * Hardware-backed L1D flush supported: [44m[30m NO [0m (flush will be done in software, this is slower) * Hyper-Threading (SMT) is enabled: [42m[30m NO [0m > [46m[30mSTATUS:[0m [42m[30m NOT VULNERABLE [0m (your CPU vendor reported your CPU model as not vulnerable) [1;34mCVE-2018-12126 aka 'Fallout, microarchitectural store buffer data sampling (MSBDS)'[0m * Mitigated according to the /sys interface: [42m[30m YES [0m (Not affected) * Kernel supports using MD_CLEAR mitigation: [42m[30m YES [0m (md_clear found in /proc/cpuinfo) * Kernel mitigation is enabled and active: [43m[30m NO [0m * SMT is either mitigated or disabled: [43m[30m NO [0m > [46m[30mSTATUS:[0m [42m[30m NOT VULNERABLE [0m (your CPU vendor reported your CPU model as not vulnerable) [1;34mCVE-2018-12130 aka 'ZombieLoad, microarchitectural fill buffer data sampling (MFBDS)'[0m * Mitigated according to the /sys interface: [42m[30m YES [0m (Not affected) * Kernel supports using MD_CLEAR mitigation: [42m[30m YES [0m (md_clear found in /proc/cpuinfo) * Kernel mitigation is enabled and active: [43m[30m NO [0m * SMT is either mitigated or disabled: [43m[30m NO [0m > [46m[30mSTATUS:[0m [42m[30m NOT VULNERABLE [0m (your CPU vendor reported your CPU model as not vulnerable) [1;34mCVE-2018-12127 aka 'RIDL, microarchitectural load port data sampling (MLPDS)'[0m * Mitigated according to the /sys interface: [42m[30m YES [0m (Not affected) * Kernel supports using MD_CLEAR mitigation: [42m[30m YES [0m (md_clear found in /proc/cpuinfo) * Kernel mitigation is enabled and active: [43m[30m NO [0m * SMT is either mitigated or disabled: [43m[30m NO [0m > [46m[30mSTATUS:[0m [42m[30m NOT VULNERABLE [0m (your CPU vendor reported your CPU model as not vulnerable) [1;34mCVE-2019-11091 aka 'RIDL, microarchitectural data sampling uncacheable memory (MDSUM)'[0m * Mitigated according to the /sys interface: [42m[30m YES [0m (Not affected) * Kernel supports using MD_CLEAR mitigation: [42m[30m YES [0m (md_clear found in /proc/cpuinfo) * Kernel mitigation is enabled and active: [43m[30m NO [0m * SMT is either mitigated or disabled: [43m[30m NO [0m > [46m[30mSTATUS:[0m [42m[30m NOT VULNERABLE [0m (your CPU vendor reported your CPU model as not vulnerable) > [46m[30mSUMMARY:[0m [42m[30mCVE-2017-5753:OK[0m [42m[30mCVE-2017-5715:OK[0m [42m[30mCVE-2017-5754:OK[0m [42m[30mCVE-2018-3640:OK[0m [42m[30mCVE-2018-3639:OK[0m [42m[30mCVE-2018-3615:OK[0m [42m[30mCVE-2018-3620:OK[0m [42m[30mCVE-2018-3646:OK[0m [42m[30mCVE-2018-12126:OK[0m [42m[30mCVE-2018-12130:OK[0m [42m[30mCVE-2018-12127:OK[0m [42m[30mCVE-2019-11091:OK[0m Need more detailed information about mitigation options? Use --explain A false sense of security is worse than no security at all, see --disclaimer