Public Date:
653606: CVE-2010-4171 Systemtap: Ability to remove unused modules by unprivileged user

The MITRE CVE dictionary describes this issue as:

The staprun runtime tool in SystemTap 1.3 does not verify that a module to unload was previously loaded by SystemTap, which allows local users to cause a denial of service (unloading of arbitrary kernel modules).

Find out more about CVE-2010-4171 from the MITRE CVE dictionary dictionary and NIST NVD.


This issue does not affect the version of the systemtap package as shipped with Red Hat Enterprise Linux 4.

CVSS v2 metrics

NOTE: The following CVSS v2 metrics and score provided are preliminary and subject to review.

Base Score 2.1
Base Metrics AV:L/AC:L/Au:N/C:N/I:N/A:P
Access Vector Local
Access Complexity Low
Authentication None
Confidentiality Impact None
Integrity Impact None
Availability Impact Partial

Find out more about Red Hat support for the Common Vulnerability Scoring System (CVSS).

Red Hat Security Errata

Platform Errata Release Date
Red Hat Enterprise Linux version 6 (systemtap) RHSA-2010:0894 2010-11-17
Red Hat Enterprise Linux version 5 (systemtap) RHSA-2010:0894 2010-11-17

Affected Packages State

Platform Package State
Red Hat Enterprise Linux 4 systemtap Not affected


Red Hat would like to thank Tavis Ormandy for reporting this issue.