[Gllug] Anyone having broadband (probably PlusNet) problems today?

[Russell Howe]

On Tue, Mar 29, 2005 at 10:35:13AM +0100, Nix wrote:
> Actaully, in general, if the hardware is DMA-capable, the firmware could
> do anything in RAM it liked, including (if the firmware were malicious
> or buggy) introducing security holes.
> 
> Disk controllers tend to be DMA-capable. :)

True, and I suppose this would bypass the memory protections afforded by
the CPU and/or MMU as I guess the DMA transfer would bypass this?

-- 
Russell Howe       | Why be just another cog in the machine,
rhowe at siksai.co.uk | when you can be the spanner in the works?
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