Public Date:
716489: CVE-2011-2503 systemtap: signed module loading race condition

The MITRE CVE dictionary describes this issue as:

The insert_module function in runtime/staprun/staprun_funcs.c in the systemtap runtime tool (staprun) in SystemTap before 1.6 does not properly validate a module when loading it, which allows local users to gain privileges via a race condition between the signature validation and the module initialization.

Find out more about CVE-2011-2503 from the MITRE CVE dictionary dictionary and NIST NVD.

CVSS v2 metrics

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

Base Score 6
Base Metrics AV:L/AC:H/Au:S/C:C/I:C/A:C
Access Vector Local
Access Complexity High
Authentication Single
Confidentiality Impact Complete
Integrity Impact Complete
Availability Impact Complete

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-2011:1088 2011-07-25
Red Hat Enterprise Linux version 5 (systemtap) RHSA-2011:1089 2011-07-25

Affected Packages State

Platform Package State
Red Hat Enterprise Linux 4 systemtap Will not fix

External References