Re: Security fix for remapping of page 0 (was [PATCH] Change ZERO_SIZE_PTR to point at unmapped space)

Linus Torvalds
2009-06-03T16:20:53Z

On Wed, 3 Jun 2009, Alan Cox wrote:
>
> Fedora at least uses SELinux to manage it. You need some kind of security
> policy engine running as a few apps really need to map low space (mostly
> for vm86)

Well, vm86 isn't even an issue on x86-64, so it's arguable that at least a
few cases could very easily just make it more static and obvious.

Linus