[PATCH] LSM: add SafeSetID module that gates setid calls
Kees Cook
keescook at chromium.org
Wed Oct 31 21:57:59 UTC 2018
On Wed, Oct 31, 2018 at 2:02 PM, Serge E. Hallyn <serge at hallyn.com> wrote:
> Just to be sure - your end-goal is to have a set of tasks which have
> some privileges, including CAP_SETUID, but which cannot transition to
> certain uids, perhaps including root?
AIUI, the issue is that CAP_SETUID is TOO permissive. Instead, run
_without_ CAP_SETUID and still allow whitelisted uid transitions.
-Kees
--
Kees Cook
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