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Date: Mon, 24 Nov 2003 14:47:53 -0500 (EST)
From: Seth Breidbart <>
Subject: Re: hard links on Linux create local DoS vulnerability and security problems

> I think that your observation of the ability to keep a security hole open is
> very interesting, but, fortunately, it should be moot.

Even if not, it's easily avoidable: when you replace a setuid program,
truncate the existing file first, then chmod 000, then delete it.

The security hole only remains if you merely delete it.


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