Messages in this thread | | | Date | Sat, 4 Oct 2008 16:42:39 -0700 | From | Arjan van de Ven <> | Subject | Re: [PATCH] proc: add "personality" to process status file |
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On Sat, 4 Oct 2008 15:02:20 -0700 Kees Cook <kees.cook@canonical.com> wrote:
> On Sat, Oct 04, 2008 at 02:51:49PM -0700, Arjan van de Ven wrote: > > On Thu, 2 Oct 2008 14:14:24 -0700 > > Kees Cook <kees.cook@canonical.com> wrote: > > > > > There is no sane way to query the personality flags of arbitrary > > > process from userspace. This adds the flags to > > > the /proc/$pid/status file. For example, to detect > > > READ_IMPLIES_EXEC: > > > > > > > .. I'm sure local exploit writers will love this to find out which > > processes to attack. > > Realistically, this probably shouldn't be in a world-readable file. > > Nothing else seemed appropriate, but I could make a brand new proc > file, if that's sensible. "status_private" ?
how about a file called "personality" that has each set bit as an ascii version ? (one per line maybe)
-- Arjan van de Ven Intel Open Source Technology Centre For development, discussion and tips for power savings, visit http://www.lesswatts.org
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