$ uname -a
Linux ladyvox 4.15.5 #1 SMP PREEMPT Sat Feb 24 15:22:25 CET 2018 x86_64 x86_64 x86_64 GNU/Linux

$ cat /sys/devices/system/cpu/vulnerabilities/*
Not affected
Mitigation: __user pointer sanitization
Mitigation: Full AMD retpoline