Date: Tue, 18 Apr 2017 14:40:57 +0100 From: Alan Cox <gnomes@...rguk.ukuu.org.uk> To: Greg KH <gregkh@...uxfoundation.org> Cc: Matt Brown <matt@...tt.com>, jmorris@...ei.org, akpm@...ux-foundation.org, linux-security-module@...r.kernel.org, linux-kernel@...r.kernel.org, kernel-hardening@...ts.openwall.com Subject: Re: [PATCH 1/4] added SECURITY_TIOCSTI_RESTRICT kernel config > Since tty sessions are usually separated by different users, how would > they have the same one and yet need something like this? > > Also, why not put this in the tty config section? The normal attack use case people argue about is a rogue process on the users machine sitting there waiting until the user has logged in to a remote machine and is idle and then doing stuff. Attackers of course don't bother doing that because it's easier to get the user to run a different ssh client instead. Alan
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