CVE-2011-2503: The insert_module function in runtime/staprun/staprun_funcs.c in the systemtap runtime tool (staprun) in Sy...

Security readout for executives and security teams

This is a local privilege escalation in SystemTap’s staprun utility. If an attacker already has a local account on an affected host, they may be able to turn that access into higher privileges by racing module validation. The bundle does not describe remote exploitation or active exploitation. Exposure is most likely on Linux systems with the SystemTap runtime tool staprun installed at a version before 1.6, especially where local users can invoke SystemTap-related tooling. Prioritize remediation on multi-user Linux servers, build systems, and administrative hosts. The issue requires local access, but successful exploitation could elevate privileges, making it important where user separation matters. Mitigation focus: Upgrade SystemTap to a vendor-supported fixed release; sources identify versions before 1.6 as affected.; Apply applicable Debian, Red Hat, or distribution security updates for systemtap packages.; Restrict local access to hosts where staprun is installed until updates are confirmed..

Prepared

Jun 27, 2026, 17:28 UTC (UTC+00:00)

Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.