Re: proc hidepid=2 and SGID programs

[Christian Kujau]

Vasiliy Kulikov <segoon@xxxxxxxxxxxx> wrote:
>> But still, I wonder if this is 
>> intended behaviour.
>
>Yes.
>
>If you think such side channel attacks are something you don't care,
>just turn hidepid off.  That's why it is an option.
>
>If you want to turn it off for some users, use gid=XXX.

Maybe my initial question got lost in the noise: I merely wondered why "pgrep sgid-program" returned nothing but "kill pics off stiff program" was possible. Sure, if that's intended behavior, so be it. I just don't understand the (technical) reasoning behind this.

Thanks,
Christian.


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