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Message-ID: <3D59D88B.16C23205@zip.com.au>
Date: Tue, 13 Aug 2002 21:11:55 -0700
From: Andrew Morton <akpm@zip.com.au>
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To: Benjamin LaHaise <bcrl@redhat.com>
CC: Linus Torvalds <torvalds@transmeta.com>, "H. Peter Anvin" <hpa@zytor.com>,
       lkml <linux-kernel@vger.kernel.org>
Subject: Re: [patch] printk from userspace
References: <3D59CBFA.9CFC9FEE@zip.com.au> <20020813235803.A15947@redhat.com>
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Benjamin LaHaise wrote:
> 
> On Tue, Aug 13, 2002 at 08:18:18PM -0700, Andrew Morton wrote:
> >
> > The patch allows userspace to issue printk's, via sys_syslog():
> 
> This is an incredibly bad idea.  It has security hole written all over it.
> Any user can now spam the kernel's log ringbuffer and overrun potentially
> important messages.
> 

It requires root.
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