[ advisories | exploits | discussions | news | conventions | security tools | texts & papers ]
 main menu
- feedback
- advertising
- privacy
- FightAIDS
- newsletter
- news
- read forum
- new topic
- search

- meetings list
- recent additions
- add your info
 top 100 sites
- visit top sites
- sign up now
- members

- add your url
- add domain
- search box
- link to us

- our projects
- free email
 m4d network
- security software
- secureroot
- m4d.com
Home : Advisories : Updated modutils fixing local root security bug available

Title: Updated modutils fixing local root security bug available
Released by: Red Hat
Date: 16th November 2000
Printable version: Click here

                   Red Hat, Inc. Security Advisory

Synopsis:          Updated modutils fixing local root security bug available

Advisory ID:       RHSA-2000:108-02

Issue date:        2000-11-16

Updated on:        2000-11-16

Product:           Red Hat Linux

Keywords:          modutils root exploit security

Cross references:  N/A


1. Topic:

A local root exploit in modutils has been fixed.

2. Relevant releases/architectures:

Red Hat Linux 6.2 - i386, alpha, sparc

Red Hat Linux 6.2EE - i386, alpha, sparc

Red Hat Linux 7.0 - i386

Red Hat Linux 7.0J - i386

3. Problem description:

modutils, a package that helps the kernel automatically load kernel modules

(device drivers etc.) when they're needed, could be abused to execute code

as root.

modutils versions between 2.3.0 and 2.3.20 are affected.

4. Solution:

For each RPM for your particular architecture, run:

rpm -Fvh [filename]

where filename is the name of the RPM.

5. Bug IDs fixed (http://bugzilla.redhat.com/bugzilla for more info):

20749 - local root exploit via modutils

6. RPMs required:

Red Hat Linux 6.2:









Red Hat Linux 7.0:





7. Verification:

MD5 sum                           Package Name


0b4bb8f26ac126db756cfbc84543d7cf  6.2/SRPMS/modutils-2.3.20-0.6.2.src.rpm

7540818796b9ab0961465f67118ffac9  6.2/alpha/modutils-2.3.20-0.6.2.alpha.rpm

206cb6ccd33a0f16803695e0246abb35  6.2/i386/modutils-2.3.20-0.6.2.i386.rpm

d8226ab998719f79f3df9d4e9a6bb88a  6.2/sparc/modutils-2.3.20-0.6.2.sparc.rpm

1502c3cc848fec4ecdaf5903b9f2cbb4  7.0/SRPMS/modutils-2.3.20-1.src.rpm

166b7512c784ffaa4233e8f71ef712cd  7.0/i386/modutils-2.3.20-1.i386.rpm

These packages are GPG signed by Red Hat, Inc. for security.  Our key

is available at:


You can verify each package with the following command:

    rpm --checksig  

If you only wish to verify that each package has not been corrupted or

tampered with, examine only the md5sum with the following command:

    rpm --checksig --nogpg 

8. References:


Copyright(c) 2000 Red Hat, Inc.

(C) 1999-2000 All rights reserved.