by Nayart3 <spamtrap@[EMAIL PROTECTED]
>
Mar 8, 2008 at 10:17 AM
On 2 Mar, 00:49, tony <spamt...@[EMAIL PROTECTED]
> wrote:
> Is it possible for a ring 3 application to read (store in a general
> purpose register) the contents of its Task State Segment (TSS) and IO
> Permission Bitmap? I know these are not modifiable from ring 3 but
> instructions like STR (store task register) may be helpful towards
> reading IO permission bitmap??
You can't, STR is a system instruction (only ring0). Even if you could
get the pointer, how would read the memory? You would get an access
violation because typicaly the kernel stores that on is virtual
address space ****tion.
