Re: [patch] printk from userspace

Alexander Viro (viro@math.psu.edu)
Wed, 14 Aug 2002 00:10:53 -0400 (EDT)


On Tue, 13 Aug 2002, 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.

He does capability checks there...

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