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


    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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