From: bugzilla-daemon-590EEB7GvNiWaY/ihj7yzEB+6BGkLq7r@public.gmane.org
To: linux-man-u79uwXL29TY76Z2rM5mHXA@public.gmane.org
Subject: [Bug 82531] Nondumpable processes that are sandboxed with CLONE_NEWUSER can be ptraced from outside.
Date: Sat, 13 Jun 2015 19:00:13 +0000 [thread overview]
Message-ID: <bug-82531-11311-MjIhFNKWBd@https.bugzilla.kernel.org/> (raw)
In-Reply-To: <bug-82531-11311-3bo0kxnWaOQUvHkbgXJLS5sdmw4N0Rt+2LY78lusg7I@public.gmane.org/>
https://bugzilla.kernel.org/show_bug.cgi?id=82531
--- Comment #6 from Jann Horn <jann+kernelbugzilla-XZ1E9jl8jIdeoWH0uzbU5w@public.gmane.org> ---
For a process that wants to drop privileges and enter a new user namespace for
security, it might make sense to first set up the namespace as uid 0, with all
UIDs mapped, and then drop privileges inside the user namespace.
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next prev parent reply other threads:[~2015-06-13 19:00 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <bug-82531-11311@https.bugzilla.kernel.org/>
[not found] ` <bug-82531-11311-3bo0kxnWaOQUvHkbgXJLS5sdmw4N0Rt+2LY78lusg7I@public.gmane.org/>
2014-08-21 19:05 ` [Bug 82531] Nondumpable processes that are sandboxed with CLONE_NEWUSER can be ptraced from outside bugzilla-daemon-590EEB7GvNiWaY/ihj7yzEB+6BGkLq7r
2014-08-22 20:12 ` bugzilla-daemon-590EEB7GvNiWaY/ihj7yzEB+6BGkLq7r
2015-06-13 18:56 ` bugzilla-daemon-590EEB7GvNiWaY/ihj7yzEB+6BGkLq7r
2015-06-13 19:00 ` bugzilla-daemon-590EEB7GvNiWaY/ihj7yzEB+6BGkLq7r [this message]
2015-06-13 19:08 ` bugzilla-daemon-590EEB7GvNiWaY/ihj7yzEB+6BGkLq7r
2015-06-13 21:02 ` bugzilla-daemon-590EEB7GvNiWaY/ihj7yzEB+6BGkLq7r
2015-06-14 15:08 ` bugzilla-daemon-590EEB7GvNiWaY/ihj7yzEB+6BGkLq7r
2016-03-13 20:14 ` bugzilla-daemon-590EEB7GvNiWaY/ihj7yzEB+6BGkLq7r
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