Re: kernel ring buffer accessible by users

From: Julien Oster (frodoid@frodoid.org)
Date: Tue Apr 22 2003 - 11:54:34 EST


On Tue, Apr 22, 2003 at 06:44:05PM +0200, Michael Buesch wrote:

Hello Michael,

> > it's been quite a while that I noticed that any ordinary user, not
> > just root, can type "dmesg" to see the kernel ring buffer.

> just make
> $ chmod 700 /bin/dmesg

Thanks for the answer, but that doesn't help that much, since any user
could copy dmesg from his system or simply code a dmesg replacement
within a few minutes.

Regards,
Julien
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