* Linus Torvalds:

> On Thu, 12 Aug 2004, Linus Torvalds wrote:
>> 
>> Hmm.. This still allows the old "junk" commands (SCSI_IOCTL_SEND_COMMAND).
>
> Btw, I think the _right_ thing to check is the write access of the file 
> descriptor. If you have write access to a block device, you can delete the 
> data, so you might as well be able to do the raw commands. And that would 
> allow things like "disk" groups etc to work and burn CD's.

But wouldn't the ability to burn CDs imply that a user can also
corrupted the firmware of the drive, unless other countermeasures are
in place?
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