Messages in this thread | | | Date | Sun, 23 Mar 2003 10:38:54 +0000 | From | Russell King <> | Subject | Re: 2.4+ptrace exploit fix breaks root's ability to strace |
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On Sun, Mar 23, 2003 at 12:31:39PM +0200, Lists (lst) wrote: > The patch breaks /proc/<pid>/cmdline and /proc/<pid>/environ for 'non > dumpable' processes, even for root.
This fix is definitely wrong.
> - if (!is_dumpable(tsk) || (&init_mm == mm)) > + if ((!is_dumpable(tsk) || (&init_mm == mm)) && (current->uid != 0)) > mm = NULL;
Today, security is based around the capability system, not UID numbers.
-- Russell King (rmk@arm.linux.org.uk) The developer of ARM Linux http://www.arm.linux.org.uk/personal/aboutme.html
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