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    SubjectRe: [stable] [PATCH] kernel 2.6.24.1 still vulnerable to the vmsplice local root exploit
    On Feb 10, 2008 7:05 PM, Greg KH <greg@kroah.com> wrote:
    > No, this is a different CVE, as it is a different problem from the
    > original 09 and 10 report.
    >
    > It has been given CVE-2008-0600 to address this issue (09 and 10 only
    > affect .23 and .24 kernels, and have been fixed.)
    >
    > > + if(!access_ok(VERIFY_READ, base, len)) {
    > > + error = -EFAULT;
    > > + break;
    > > + }
    >
    > Hm, perhaps we should just properly check the len field instead? That's
    > what is being overflowed here...

    Sorry, I forgot to cc you on this one:

    http://lkml.org/lkml/2008/2/10/153

    I don't see where the current code is checking that base is
    accessible. We just check that we can copy the struct iovecs, right?

    Pekka


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