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    SubjectRe: [linux-usb-devel] Re: [Security] [vendor-sec] [BUG/PATCH/RFC] Oops while completing async USB via usbdevio


    On Fri, 30 Sep 2005, Chris Wright wrote:
    >
    > Sorry, I missed the thread up to this, but this looks fundamentally
    > broken. The kill_proc_info_as_uid() idea is not sufficient because more
    > than uid/euid are needed for permission check. There's capabilities and
    > security labels.

    Not for this particular USB use, there isn't. Since you can only send a
    signal to yourself anyway, the uid/euid check is just testing that you're
    still who you were.

    Linus
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