Hi Rajat, On Wed, Oct 27, 2010 at 5:23 AM, Rajat Sharma <fs.rajat@xxxxxxxxx> wrote: > Be it for any reason, it is a security loop whole. Even more dangerous is > you have access to device file and its not very hard to erase blocks from > disk through device file eg. Personally, I don't consider it a security loophole. The security loophole was how you got root access, not what you did with it, > dd if=/dev/zero of=/dev/sda1 bs=32k count=32k > > it can erase 1G disk space. > > As far as I know, Windows OS don't allow you to write to the disk directly > from user space. It sure does - you just have to open the appropriate device name. There are device names for each physical disk, as well as device names for each logical drive letter. -- Dave Hylands Shuswap, BC, Canada http://www.DaveHylands.com/ -- To unsubscribe from this list: send an email with "unsubscribe kernelnewbies" to ecartis@xxxxxxxxxxxx Please read the FAQ at http://kernelnewbies.org/FAQ