mailing list archives
Re: Linux Kernel 2.6.x PRCTL Core Dump Handling -- Simple workaround
From: Hugo van der Kooij <hvdkooij () vanderkooij org>
Date: Fri, 14 Jul 2006 21:08:46 +0200 (CEST)
On Fri, 14 Jul 2006, Caveo Internet BV - Security wrote:
The most easy way to stop this vulnerability is this by sepcifying the core
echo /root/core > /proc/sys/kernel/core_pattern
This specifies /root as core dump location which makes it unavailable for
the local user.
This would be just shifting problems. /root is usually not that big. So
you end up with a core dump filling up your root disk. Not a pretty sight
I might add.
Either disable coredumps or send them to a place with plenty of diskspace
left and protect that one from prying eyes.
I hate duplicates. Just reply to the relevant mailinglist.
hvdkooij () vanderkooij org http://hvdkooij.xs4all.nl/
Don't meddle in the affairs of magicians,
for they are subtle and quick to anger.