Spectre and Meltdown mitigation detection tool v0.38+

Checking for vulnerabilities on current system
Kernel is [35mLinux 4.12.14-195-default #1 SMP Tue May 7 10:55:11 UTC 2019 (8fba516) x86_64[0m
CPU is [35mAMD EPYC 7742 64-Core Processor[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 (IBRS_SUPPORT feature bit)
    * CPU indicates preferring IBRS always-on: [43m[30m NO [0m
    * CPU indicates preferring IBRS over retpoline: [42m[30m YES [0m
  * Indirect Branch Prediction Barrier (IBPB)
    * PRED_CMD MSR is available: [42m[30m YES [0m
    * CPU indicates IBPB capability: [42m[30m YES [0m (IBPB_SUPPORT 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 (AMD STIBP feature bit)
    * CPU indicates preferring STIBP always-on: [43m[30m NO [0m
  * Speculative Store Bypass Disable (SSBD)
    * CPU indicates SSBD capability: [42m[30m YES [0m (AMD SSBD in SPEC_CTRL)
  * CPU explicitly indicates not being vulnerable to Variant 4 (SSB_NO): [43m[30m NO [0m
  * CPU microcode is known to cause stability problems: [44m[30m NO [0m (model 0x31 family 0x17 stepping 0x0 ucode 0x8301025 cpuid 0x830f10)
* CPU vulnerability to the speculative execution attack variants
  * Vulnerable to Variant 1: [43m[30m YES [0m
  * Vulnerable to Variant 2: [43m[30m YES [0m
  * Vulnerable to Variant 3: [42m[30m NO [0m
  * Vulnerable to Variant 3a: [42m[30m NO [0m
  * Vulnerable to Variant 4: [43m[30m YES [0m

[1;34mCVE-2017-5753 [bounds check bypass] aka 'Spectre Variant 1'[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 [branch target injection] aka 'Spectre Variant 2'[0m
* Mitigated according to the /sys interface: [42m[30m YES [0m (Mitigation: Full AMD retpoline, IBPB: conditional, IBRS_FW, STIBP: conditional, RSB filling)
* Mitigation 1
  * Kernel is compiled with IBRS support: [42m[30m YES [0m
    * IBRS enabled and active: [42m[30m YES [0m (for kernel and firmware code)
  * 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
    * Kernel compiled with a retpoline-aware compiler: [42m[30m YES [0m (kernel reports full retpoline compilation)
> [46m[30mSTATUS:[0m [42m[30m NOT VULNERABLE [0m (Full retpoline + IBPB are mitigating the vulnerability)

[1;34mCVE-2017-5754 [rogue data cache load] aka 'Meltdown' aka 'Variant 3'[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: [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 (your CPU vendor reported your CPU model as not vulnerable)

[1;34mCVE-2018-3640 [rogue system register read] aka 'Variant 3a'[0m
* CPU microcode mitigates the vulnerability: [42m[30m YES [0m
> [46m[30mSTATUS:[0m [42m[30m NOT VULNERABLE [0m (your CPU vendor reported your CPU model as not vulnerable)

[1;34mCVE-2018-3639 [speculative store bypass] aka 'Variant 4'[0m
* Mitigated according to the /sys interface: [42m[30m YES [0m (Mitigation: Speculative Store Bypass disabled via prctl and seccomp)
* Kernel supports speculation store bypass: [42m[30m YES [0m (found in /proc/self/status)
> [46m[30mSTATUS:[0m [42m[30m NOT VULNERABLE [0m (Mitigation: Speculative Store Bypass disabled via prctl and seccomp)

Need more detailed information about mitigation options? Use --explain
A false sense of security is worse than no security at all, see --disclaimer
