Re: Fedora Legacy Test Update Notification: Kernel

["Charles R. Anderson" <cra WPI EDU>]

On Sat, Feb 21, 2004 at 09:33:49AM -0800, Jesse Keating wrote:
> CAN-2004-0077:
> A flaw in return value checking in mremap() in the Linux kernel versions 
> 2.4.24 and previous that may allow a local attacker to gain root 
> privileges. No exploit is currently available; however this issue is 
> exploitable.

--- Begin Message ---

• From: Ulrich Keil <ulrich der-keiler de>
• To: bugtraq securityfocus com
• Subject: Re: [RHSA-2004:065-01] Updated kernel packages resolve security vulnerabilities
• Date: Wed, 18 Feb 2004 17:58:49 +0100

bugzilla redhat com wrote:

> Paul Starzetz discovered a flaw in return value checking in mremap()
> in the Linux kernel versions 2.4.24 and previous that may allow a local
> attacker to gain root privileges. No exploit is currently available; 
> ...

There is an Proof-of-concept exploit available:

http://www.derkeiler.com/Mailing-Lists/Securiteam/2004-02/0052.html

Ulrich Keil
-- 
http://www.derkeiler.com
PGP Fingerprint: 5FA4 4C01 8D92 A906 E831  CAF1 3F51 8F47 1233 9AAD
Public key available at http://www.derkeiler.com/uk/pgp-key.asc

--- End Message ---