Re: [patch] printk from userspace

Andrew Morton
2002-08-14T03:57:50Z

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.