LKM ps error message with chkrootkit?

[Paulo <listassec () yahoo com>]

Hi,

I have a RedHat 8 and when I ran the chkrootkit, I get
the following message:

Checking `lkm'... ps: error: Thread display not
implemented.
usage: ps -[Unix98 options]
       ps [BSD-style options]
       ps --[GNU-style long options]
       ps --help for a command summary
OooPS!
chkproc: Warning: Possible LKM Trojan installed

Was I hacked? Someone can help me?

Thanks in advance.

Paulo 

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