New Linux bug gives root on all major distros, exploit released

' Dirty Pipe ' allows local-users to gain root-privileges through publicly available exploits.

Is there any chance this can be remote-exploited?

I think you would need a pipe reading from (using splice) a file you're not supposed to write to, which also accepts your input, which you're very unlikely to find, and you would only be able to modify the file being read.