> Yes, this is a potential security hole which a user who left a program
> running might possibly exploit, but there's little that user could do
> other than a denial of service attack, and there are plenty of ways of
That hole only exists because Linus needs to be fed the revoke() patch
again I think
The revoke patch isn't really the issue here; since programs could
simply use vhangup to achieve the same effect as revoke. The problem
though is that we need to distinguish between hangups caused by a hangup
drop and hangups caused by vhangup()/revoke(). It's relatively small
change to the tty layer; I'll try to get to it later tonight....
- Ted
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