Messages in this thread | | | Date | Wed, 2 Jun 2004 14:13:13 -0700 (PDT) | From | Linus Torvalds <> | Subject | Re: [announce] [patch] NX (No eXecute) support for x86, 2.6.7-rc2-bk2 |
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On Wed, 2 Jun 2004, Ingo Molnar wrote: > > If the NX feature is supported by the CPU then the patched kernel turns > on NX and it will enforce userspace executability constraints such as a > no-exec stack and no-exec mmap and data areas. This means less chance > for stack overflows and buffer-overflows to cause exploits.
Just out of interest - how many legacy apps are broken by this? I assume it's a non-zero number, but wouldn't mind to be happily surprised.
And do we have some way of on a per-process basis say "avoid NX because this old version of Oracle/flash/whatever-binary-thing doesn't run with it"?
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