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    SubjectRe: [PATCH] integrity: fix IMA inode leak
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    On Sun, 2009-06-07 at 16:09 -0700, Linus Torvalds wrote:
    >
    > On Sun, 7 Jun 2009, Mimi Zohar wrote:
    > >
    > > Mandatory Access Control(MAC) modules (i.e. SELinux, smack, etc) and
    > > integrity (i.e IMA) are two different aspects of security. The LSM
    > > hooks, which includes security_inode_free(), are used to implement MAC,
    > > not integrity.
    >
    > So?
    >
    > It's under security/integrity. And it's a level of detail that fs/inode.c
    > really doesn't care about.
    >
    > The VFS layer cares NOT AT ALL about your "different aspects of security",
    > nor should it. The fact that security people think SELinux and IMA are
    > different is irrelavant - fs/inode.c just doesn't care. Why should it?
    >
    > Linus

    Today the security calls are synomymous with MAC. If I understand
    correctly, you're suggesting we need to have a single security layer,
    which, depending on the hook, calls either MAC or integrity, or both.

    Makes sense. Copying the LSM mailing list on this discussion.

    Mimi Zohar



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