oss-security - Re: Status of two Linux kernel issues w/o CVE assignments

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Date: Tue, 27 Dec 2011 21:26:04 +0400
From: Vasiliy Kulikov <segoon@...nwall.com>
To: Eugene Teo <eteo@...hat.com>
Cc: kseifried@...hat.com, oss-security@...ts.openwall.com,
	Moritz Muehlenhoff <jmm@...ian.org>
Subject: Re: Status of two Linux kernel issues w/o CVE
 assignments

Hi,

On Sun, Dec 25, 2011 at 05:53 +0800, Eugene Teo wrote:
> >> 2: /proc/$PID/{sched,schedstat} information leak
> >> Vasiliy Kulikov of OpenWall posted a demo exploit.
> >> http://openwall.com/lists/oss-security/2011/11/05/3
> >>
> >> AFAICS no CVE ID was assigned to this?
...
> IIRC, it's an issue but there's no resolution as existing code may break.
> 
> There are also,
> /proc/{interrupts, stat}
> https://lkml.org/lkml/2011/11/7/340
> 
> /dev/pts/, /dev/tty*
> https://lkml.org/lkml/2011/11/7/355

Correct, neither of these are fixed yet :-(


/proc/$pid/* vuln will be fixed in the following patch series by introducing
a restricted procfs permission mode:

https://lkml.org/lkml/2011/11/19/41
https://lkml.org/lkml/2011/12/11/62

Currently these series are in the -mm tree.

Thanks,

-- 
Vasiliy Kulikov
http://www.openwall.com - bringing security into open computing environments

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