Spectre and Meltdown mitigation detection tool v0.44+

Checking for vulnerabilities on current system
Kernel is [35mLinux 4.18.0-80.el8.x86_64 #1 SMP Wed Mar 13 12:02:46 UTC 2019 x86_64[0m
CPU is [35mIntel(R) Xeon(R) 6788P[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: [42m[30m YES [0m
    * CPU indicates L1D flush capability: [42m[30m YES [0m (L1D flush feature bit)
  * Microarchitectural 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): [42m[30m YES [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 explicitly indicates not being vulnerable to TSX Asynchronous Abort (TAA_NO): [43m[30m NO [0m
  * CPU explicitly indicates not being vulnerable to iTLB Multihit (PSCHANGE_MSC_NO): [42m[30m YES [0m
  * CPU explicitly indicates having MSR for TSX control (TSX_CTRL_MSR): [42m[30m YES [0m
    * TSX_CTRL MSR indicates TSX RTM is disabled: [44m[30m NO [0m
    * TSX_CTRL MSR indicates TSX CPUID bit is cleared: [44m[30m NO [0m
  * CPU supports Transactional Synchronization Extensions (TSX): [43m[30m NO [0m
  * CPU supports Software Guard Extensions (SGX): [42m[30m NO [0m
  * CPU supports Special Register Buffer Data Sampling (SRBDS): [42m[30m NO [0m
  * CPU microcode is known to cause stability problems: [44m[30m NO [0m (family 0x6 model 0xad stepping 0x1 ucode 0x10003f3 cpuid 0xa06d1)
  * CPU microcode is the latest known available version: [44m[30m UNKNOWN [0m (latest microcode version for your CPU model is unknown)
* CPU vulnerability to the speculative execution attack variants
  * Affected by CVE-2017-5753 (Spectre Variant 1, bounds check bypass): [43m[30m YES [0m
  * Affected by CVE-2017-5715 (Spectre Variant 2, branch target injection): [43m[30m YES [0m
  * Affected by CVE-2017-5754 (Variant 3, Meltdown, rogue data cache load): [42m[30m NO [0m
  * Affected by CVE-2018-3640 (Variant 3a, rogue system register read): [43m[30m YES [0m
  * Affected by CVE-2018-3639 (Variant 4, speculative store bypass): [43m[30m YES [0m
  * Affected by CVE-2018-3615 (Foreshadow (SGX), L1 terminal fault): [42m[30m NO [0m
  * Affected by CVE-2018-3620 (Foreshadow-NG (OS), L1 terminal fault): [43m[30m YES [0m
  * Affected by CVE-2018-3646 (Foreshadow-NG (VMM), L1 terminal fault): [43m[30m YES [0m
  * Affected by CVE-2018-12126 (Fallout, microarchitectural store buffer data sampling (MSBDS)): [42m[30m NO [0m
  * Affected by CVE-2018-12130 (ZombieLoad, microarchitectural fill buffer data sampling (MFBDS)): [42m[30m NO [0m
  * Affected by CVE-2018-12127 (RIDL, microarchitectural load port data sampling (MLPDS)): [42m[30m NO [0m
  * Affected by CVE-2019-11091 (RIDL, microarchitectural data sampling uncacheable memory (MDSUM)): [42m[30m NO [0m
  * Affected by CVE-2019-11135 (ZombieLoad V2, TSX Asynchronous Abort (TAA)): [42m[30m NO [0m
  * Affected by CVE-2018-12207 (No eXcuses, iTLB Multihit, machine check exception on page size changes (MCEPSC)): [43m[30m YES [0m
  * Affected by CVE-2020-0543 (Special Register Buffer Data Sampling (SRBDS)): [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: [43m[30m UNKNOWN [0m (missing 'perl' binary, please install it)
* Kernel has the Red Hat/Ubuntu patch: [43m[30m NO [0m
* Kernel has mask_nospec64 (arm64): [43m[30m UNKNOWN [0m (missing 'perl' binary, please install it)
* Kernel has array_index_nospec (arm64): [43m[30m UNKNOWN [0m (missing 'perl' binary, please install it)
* Checking count of LFENCE instructions following a jump in kernel... [43m[30m NO [0m (only 6 jump-then-lfence instructions found, should be >= 30 (heuristic))
> [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 (Enhanced flavor, performance impact will be greatly reduced)
  * 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 (Enhanced 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 (Not affected)
* Kernel supports Page Table Isolation (PTI): [42m[30m YES [0m
  * PTI enabled and active: [43m[30m NO [0m
  * Reduced performance impact of PTI: [42m[30m YES [0m (CPU supports INVPCID, performance impact of PTI will be greatly reduced)
* Running as a Xen PV DomU: [44m[30m NO [0m
> [46m[30mSTATUS:[0m [42m[30m NOT VULNERABLE [0m (your CPU vendor reported your CPU model as not vulnerable)

[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 (sshd systemd-journald systemd-logind systemd-udevd)
> [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: [44m[30m N/A [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 (Not affected)

[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: [44m[30m N/A [0m (the kvm_intel module is not loaded)
* Mitigation 2
  * L1D flush is supported by kernel: [42m[30m YES [0m (found flush_l1d in /proc/cpuinfo)
  * L1D flush enabled: [43m[30m NO [0m
  * Hardware-backed L1D flush supported: [42m[30m YES [0m (performance impact of the mitigation will be greatly reduced)
  * Hyper-Threading (SMT) is enabled: [42m[30m NO [0m
> [46m[30mSTATUS:[0m [42m[30m NOT VULNERABLE [0m (your kernel reported your CPU model as not vulnerable)

[1;34mCVE-2018-12126 aka 'Fallout, microarchitectural store buffer data sampling (MSBDS)'[0m
* Kernel supports using MD_CLEAR mitigation: [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
* Kernel supports using MD_CLEAR mitigation: [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
* Kernel supports using MD_CLEAR mitigation: [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
* Kernel supports using MD_CLEAR mitigation: [43m[30m NO [0m
> [46m[30mSTATUS:[0m [42m[30m NOT VULNERABLE [0m (your CPU vendor reported your CPU model as not vulnerable)

[1;34mCVE-2019-11135 aka 'ZombieLoad V2, TSX Asynchronous Abort (TAA)'[0m
* TAA mitigation is supported by kernel: [43m[30m NO [0m
* TAA mitigation enabled and active: [43m[30m NO [0m (tsx_async_abort not found in sysfs hierarchy)
> [46m[30mSTATUS:[0m [42m[30m NOT VULNERABLE [0m (your CPU vendor reported your CPU model as not vulnerable)

[1;34mCVE-2018-12207 aka 'No eXcuses, iTLB Multihit, machine check exception on page size changes (MCEPSC)'[0m
* This system is a host running a hypervisor: [42m[30m NO [0m
* iTLB Multihit mitigation is supported by kernel: [43m[30m NO [0m
* iTLB Multihit mitigation enabled and active: [43m[30m NO [0m (itlb_multihit not found in sysfs hierarchy)
> [46m[30mSTATUS:[0m [42m[30m NOT VULNERABLE [0m (this system is not running a hypervisor)

[1;34mCVE-2020-0543 aka 'Special Register Buffer Data Sampling (SRBDS)'[0m
* SRBDS mitigation control is supported by the kernel: [43m[30m NO [0m
* SRBDS mitigation control is enabled and active: [43m[30m NO [0m (SRBDS not found in sysfs hierarchy)
> [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 [42m[30mCVE-2019-11135:OK[0m [42m[30mCVE-2018-12207:OK[0m [42m[30mCVE-2020-0543: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
