Backdoor on Linux

Good evening, I saw a video at this moment of a serious security flaw of Linux systems, do you know something about it? I send you the video even if it is in Italian just use subtitles.https://www.youtube.com/watch?v=lKDX-M4HXDM

Please link there, not open another thread for it.
And next time use the forum search first :wink:

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