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

[Linus Torvalds]

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
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