Follow @Openwall on Twitter for new release announcements and other news
[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]
Date: Wed, 12 Mar 2008 13:13:16 +0100
From: Florian Weimer <fw@...eb.enyo.de>
To: oss-security@...ts.openwall.com
Subject: Re: CVE request: setrlimit can be avoided (Linux less than 2.6.22)

* Kees Cook:

> This rlimit-avoiding bug probably needs a CVE associated with it.  Users
> could avoid RLIMIT_CPU by setting it to "0".  The fixes in 2.6.17 did
> not actually fix the problem.
>
>
> Bugs:
>   https://launchpad.net/bugs/107209
>   http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=419706
>
> Fixed in 2.6.22:
>   http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commitdiff;h=9926e4c74300c4b31dee007298c6475d33369df0

I doubt it's fixed completely.  I've seen spinning Java processes on
later kernel versions which drove up the load average, but were reported
as 0% CPU most of the time.

Or does RLIMIT_CPU use separate counters?

Powered by blists - more mailing lists

Please check out the Open Source Software Security Wiki, which is counterpart to this mailing list.

Confused about mailing lists and their use? Read about mailing lists on Wikipedia and check out these guidelines on proper formatting of your messages.