Re: 8250 serial console fixes -- issue

[Russell King]

On Fri, Feb 03, 2006 at 06:46:24PM +0100, Krzysztof Halasa wrote:
> Russell King <rmk+lkml@xxxxxxxxxxxxxxxx> writes:
> 
> > My point stands - if the user can provide an arbitary string to printk,
> > they can fake any kernel message.  That in itself is a security bug.
> > If there is an instance of that, then that's the real bug which would
> > need fixing.
> 
> I think the AT problem is valid - the user doesn't have to be able to
> send anything to the console, the system alone can screw it up with
> something as simple as ATZ^M (or with almost any string with embedded
> [aA][tT].*^M).

Stop throwing FUD into this issue.  The original claim was that a
non-root user could send arbitary strings via the console system.
This was an independent claim from the other issues.

-- 
Russell King
 Linux kernel    2.6 ARM Linux   - http://www.arm.linux.org.uk/
 maintainer of:  2.6 Serial core
-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/