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SubjectRe: 8250 serial console fixes -- issue
On Sat, Feb 04, 2006 at 12:57:28AM +1030, Glen Turner wrote:
> Hi Russell,
> Thanks for your response.
> > A normal user can't produce arbitarily formatted
> > kernel messages
> They don't need to provide an entire message, just a
> AT string (a vector which a user could control
> could be a volume label on removable media).


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.

Once those bugs have been fixed, your claimed bug is also magically

Russell King
Linux kernel 2.6 ARM Linux -
maintainer of: 2.6 Serial core
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