Re: [security]: kernel ioctl()'s [3]

Jamie Lokier (lkd@tantalophile.demon.co.uk)
Fri, 2 Jul 1999 16:00:42 +0200

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Theodore Y. Ts'o wrote:
> (Yes, I realize there are a few differences, such as it
> prevents unlinking the file, and you can't do that without changing the
> permissions on the containing directory, which you might not own.)

Security alert... if I hard link to some elses file and they set the
user-immutable bit (and deleted their last link) I can't clean out my
own directory?

-- Jamie

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