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TI-2011-02195 Aliases CVE-2011-2503GHSA-q2gw-mhhj-386x

The insert_module function in runtime/staprun/staprun_funcs.c in the systemtap runtime…

Priority LOW 18CWE-20Published · Updated

Key facts

Attack vector
Local
Privileges required
None
User interaction
— Not recorded in CVSS 2.0
Attack complexity
High
Impact type
—
Confidentiality · integrity · availability
Partial · Partial · Partial
Fix status
Partial Red Hat: 4 fixed, 1 without a fix

Attack profile from CVSS 2.0 · NVD. Fix status from CNA and Red Hat.

Summary

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.

Why it matters now

EPSS 0.00441 38th percentileScored 2026-11-07
Fix Partial Red Hat: 2 advisoriesRed Hat: 4 fixed, 1 without a fix

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

VendorProductAffected versionsFixed inStatusSource
——all versions—No fix listedCNA
  • — Vendor— Affected all versions Fixed in — No fix listed CNA

CPE configurations NVD · 30

CPEVersionsRoleVendor
cpe:2.3:a:systemtap:systemtap:*:*:*:*:*:*:*:*up to 1.5VulnerableSystemtap
cpe:2.3:a:systemtap:systemtap:0.2.2:*:*:*:*:*:*:*0.2.2VulnerableSystemtap
cpe:2.3:a:systemtap:systemtap:0.3:*:*:*:*:*:*:*0.3VulnerableSystemtap
cpe:2.3:a:systemtap:systemtap:0.4:*:*:*:*:*:*:*0.4VulnerableSystemtap
cpe:2.3:a:systemtap:systemtap:0.5:*:*:*:*:*:*:*0.5VulnerableSystemtap
cpe:2.3:a:systemtap:systemtap:0.5.3:*:*:*:*:*:*:*0.5.3VulnerableSystemtap
cpe:2.3:a:systemtap:systemtap:0.5.4:*:*:*:*:*:*:*0.5.4VulnerableSystemtap
cpe:2.3:a:systemtap:systemtap:0.5.5:*:*:*:*:*:*:*0.5.5VulnerableSystemtap
cpe:2.3:a:systemtap:systemtap:0.5.7:*:*:*:*:*:*:*0.5.7VulnerableSystemtap
cpe:2.3:a:systemtap:systemtap:0.5.8:*:*:*:*:*:*:*0.5.8VulnerableSystemtap
  • cpe:2.3:a:systemtap:systemtap:*:*:*:*:*:*:*:* Versions up to 1.5 Vulnerable ·Systemtap
  • cpe:2.3:a:systemtap:systemtap:0.2.2:*:*:*:*:*:*:* Versions 0.2.2 Vulnerable ·Systemtap
  • cpe:2.3:a:systemtap:systemtap:0.3:*:*:*:*:*:*:* Versions 0.3 Vulnerable ·Systemtap
  • cpe:2.3:a:systemtap:systemtap:0.4:*:*:*:*:*:*:* Versions 0.4 Vulnerable ·Systemtap
  • cpe:2.3:a:systemtap:systemtap:0.5:*:*:*:*:*:*:* Versions 0.5 Vulnerable ·Systemtap
  • cpe:2.3:a:systemtap:systemtap:0.5.3:*:*:*:*:*:*:* Versions 0.5.3 Vulnerable ·Systemtap
  • cpe:2.3:a:systemtap:systemtap:0.5.4:*:*:*:*:*:*:* Versions 0.5.4 Vulnerable ·Systemtap
  • cpe:2.3:a:systemtap:systemtap:0.5.5:*:*:*:*:*:*:* Versions 0.5.5 Vulnerable ·Systemtap
  • cpe:2.3:a:systemtap:systemtap:0.5.7:*:*:*:*:*:*:* Versions 0.5.7 Vulnerable ·Systemtap
  • cpe:2.3:a:systemtap:systemtap:0.5.8:*:*:*:*:*:*:* Versions 0.5.8 Vulnerable ·Systemtap
Show 20 more CPE
CPEVersionsRoleVendor
cpe:2.3:a:systemtap:systemtap:0.5.9:*:*:*:*:*:*:*0.5.9VulnerableSystemtap
cpe:2.3:a:systemtap:systemtap:0.5.10:*:*:*:*:*:*:*0.5.10VulnerableSystemtap
cpe:2.3:a:systemtap:systemtap:0.5.12:*:*:*:*:*:*:*0.5.12VulnerableSystemtap
cpe:2.3:a:systemtap:systemtap:0.5.13:*:*:*:*:*:*:*0.5.13VulnerableSystemtap
cpe:2.3:a:systemtap:systemtap:0.5.14:*:*:*:*:*:*:*0.5.14VulnerableSystemtap
cpe:2.3:a:systemtap:systemtap:0.6:*:*:*:*:*:*:*0.6VulnerableSystemtap
cpe:2.3:a:systemtap:systemtap:0.6.2:*:*:*:*:*:*:*0.6.2VulnerableSystemtap
cpe:2.3:a:systemtap:systemtap:0.7:*:*:*:*:*:*:*0.7VulnerableSystemtap
cpe:2.3:a:systemtap:systemtap:0.7.2:*:*:*:*:*:*:*0.7.2VulnerableSystemtap
cpe:2.3:a:systemtap:systemtap:0.8:*:*:*:*:*:*:*0.8VulnerableSystemtap
cpe:2.3:a:systemtap:systemtap:0.9:*:*:*:*:*:*:*0.9VulnerableSystemtap
cpe:2.3:a:systemtap:systemtap:0.9.5:*:*:*:*:*:*:*0.9.5VulnerableSystemtap
cpe:2.3:a:systemtap:systemtap:0.9.7:*:*:*:*:*:*:*0.9.7VulnerableSystemtap
cpe:2.3:a:systemtap:systemtap:0.9.8:*:*:*:*:*:*:*0.9.8VulnerableSystemtap
cpe:2.3:a:systemtap:systemtap:0.9.9:*:*:*:*:*:*:*0.9.9VulnerableSystemtap
cpe:2.3:a:systemtap:systemtap:1.0:*:*:*:*:*:*:*1.0VulnerableSystemtap
cpe:2.3:a:systemtap:systemtap:1.1:*:*:*:*:*:*:*1.1VulnerableSystemtap
cpe:2.3:a:systemtap:systemtap:1.2:*:*:*:*:*:*:*1.2VulnerableSystemtap
cpe:2.3:a:systemtap:systemtap:1.3:*:*:*:*:*:*:*1.3VulnerableSystemtap
cpe:2.3:a:systemtap:systemtap:1.4:*:*:*:*:*:*:*1.4VulnerableSystemtap
  • cpe:2.3:a:systemtap:systemtap:0.5.9:*:*:*:*:*:*:* Versions 0.5.9 Vulnerable ·Systemtap
  • cpe:2.3:a:systemtap:systemtap:0.5.10:*:*:*:*:*:*:* Versions 0.5.10 Vulnerable ·Systemtap
  • cpe:2.3:a:systemtap:systemtap:0.5.12:*:*:*:*:*:*:* Versions 0.5.12 Vulnerable ·Systemtap
  • cpe:2.3:a:systemtap:systemtap:0.5.13:*:*:*:*:*:*:* Versions 0.5.13 Vulnerable ·Systemtap
  • cpe:2.3:a:systemtap:systemtap:0.5.14:*:*:*:*:*:*:* Versions 0.5.14 Vulnerable ·Systemtap
  • cpe:2.3:a:systemtap:systemtap:0.6:*:*:*:*:*:*:* Versions 0.6 Vulnerable ·Systemtap
  • cpe:2.3:a:systemtap:systemtap:0.6.2:*:*:*:*:*:*:* Versions 0.6.2 Vulnerable ·Systemtap
  • cpe:2.3:a:systemtap:systemtap:0.7:*:*:*:*:*:*:* Versions 0.7 Vulnerable ·Systemtap
  • cpe:2.3:a:systemtap:systemtap:0.7.2:*:*:*:*:*:*:* Versions 0.7.2 Vulnerable ·Systemtap
  • cpe:2.3:a:systemtap:systemtap:0.8:*:*:*:*:*:*:* Versions 0.8 Vulnerable ·Systemtap
  • cpe:2.3:a:systemtap:systemtap:0.9:*:*:*:*:*:*:* Versions 0.9 Vulnerable ·Systemtap
  • cpe:2.3:a:systemtap:systemtap:0.9.5:*:*:*:*:*:*:* Versions 0.9.5 Vulnerable ·Systemtap
  • cpe:2.3:a:systemtap:systemtap:0.9.7:*:*:*:*:*:*:* Versions 0.9.7 Vulnerable ·Systemtap
  • cpe:2.3:a:systemtap:systemtap:0.9.8:*:*:*:*:*:*:* Versions 0.9.8 Vulnerable ·Systemtap
  • cpe:2.3:a:systemtap:systemtap:0.9.9:*:*:*:*:*:*:* Versions 0.9.9 Vulnerable ·Systemtap
  • cpe:2.3:a:systemtap:systemtap:1.0:*:*:*:*:*:*:* Versions 1.0 Vulnerable ·Systemtap
  • cpe:2.3:a:systemtap:systemtap:1.1:*:*:*:*:*:*:* Versions 1.1 Vulnerable ·Systemtap
  • cpe:2.3:a:systemtap:systemtap:1.2:*:*:*:*:*:*:* Versions 1.2 Vulnerable ·Systemtap
  • cpe:2.3:a:systemtap:systemtap:1.3:*:*:*:*:*:*:* Versions 1.3 Vulnerable ·Systemtap
  • cpe:2.3:a:systemtap:systemtap:1.4:*:*:*:*:*:*:* Versions 1.4 Vulnerable ·Systemtap

Remediation

Red Hat 2 advisories

  • RHSA-2011:1089 Released 2011-07-25 · Red Hat rating Moderate
    systemtap security update
    • Red Hat Enterprise Linux (v. 5 server) systemtap-1.3-9.el5, systemtap-1.3-9.el5.i386, systemtap-1.3-9.el5.ia64 +18
    • Red Hat Enterprise Linux Desktop (v. 5 client) systemtap-1.3-9.el5, systemtap-1.3-9.el5.i386, systemtap-client-1.3-9.el5 +11
  • RHSA-2011:1088 Released 2011-07-25 · Red Hat rating Moderate
    systemtap security update
    • Red Hat Enterprise Linux Server (v. 6) systemtap-1.4-6.el6_1.2, systemtap-client-1.4-6.el6_1.2, systemtap-grapher-1.4-6.el6_1.2 +5
    • Red Hat Enterprise Linux Server Optional (v. 6) systemtap-1.4-6.el6_1.2, systemtap-testsuite-1.4-6.el6_1.2

Vendor assessments

Red Hat

Red Hat rating: Moderate. Red Hat's page for this CVE →

ProductStatusPlan or fix
Red Hat Enterprise Linux 4AffectedNo fix planned: Will not fix
Red Hat Enterprise Linux (v. 5 server)Fixed RHSA-2011:1089
Red Hat Enterprise Linux Desktop (v. 5 client)Fixed RHSA-2011:1089
Red Hat Enterprise Linux Server (v. 6)Fixed RHSA-2011:1088
Red Hat Enterprise Linux Server Optional (v. 6)Fixed RHSA-2011:1088

Timeline

  1. 2026-10-02 Threatist record created from CVE-2011-2503
  2. 2026-10-03 Alias added: GHSA-q2gw-mhhj-386x

References

Advisory 1

Other 3

  • TI-2009-04053 stap-server in SystemTap before 1.1 allows remote attackers to execute arbitrary commands… CVSS 2.0HIGH 10.0
  • TI-2010-03925 The staprun runtime tool in SystemTap 1.3 does not properly clear the environment before… CVSS 2.0HIGH 7.2
  • TI-2010-00391 stap-server in SystemTap 1.1 does not properly restrict the value of the -B (aka BUILD)… CVSS 2.0HIGH 7.5
  • TI-2009-00748 Race condition in the SystemTap stap tool 0.0.20080705 and 0.0.20090314 allows local… CVSS 2.0MEDIUM 6.3
  • TI-2012-00810 SystemTap 1.7, 1.6.7, and probably other versions, when unprivileged mode is enabled… CVSS 2.0MEDIUM 5.4
  • TI-2010-00390 Multiple integer signedness errors in the (1) __get_argv and (2) __get_compat_argv… CVSS 2.0MEDIUM 4.9
See all 11 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences