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TI-2011-01560 Aliases CVE-2011-1781GHSA-qrqj-c695-3j7q

SystemTap 1.4, when unprivileged (aka stapusr) mode is enabled, allows local users to…

Priority LOW 7CWE-189Published · Updated

Key facts

Attack vector
Local
Privileges required
None
User interaction
— Not recorded in CVSS 2.0
Attack complexity
High
Impact type
Denial of service
Confidentiality · integrity · availability
None · None · Partial
Fix status
Fixed

Attack profile from CVSS 2.0 · NVD. Fix status from CNA and Red Hat. Impact type from CWE-189 and the CVSS impact.

Summary

SystemTap 1.4, when unprivileged (aka stapusr) mode is enabled, allows local users to cause a denial of service (divide-by-zero error and OOPS) via a crafted ELF program with DWARF expressions that are not properly handled by a stap script that performs stack unwinding (aka backtracing).

Why it matters now

EPSS 0.00301 22nd percentileScored 2026-11-07
Fix Fixed Red Hat: 1 advisory

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 · 1

CPEVersionsRoleVendor
cpe:2.3:a:systemtap:systemtap:1.4:*:*:*:*:*:*:*1.4VulnerableSystemtap
  • cpe:2.3:a:systemtap:systemtap:1.4:*:*:*:*:*:*:* Versions 1.4 Vulnerable ·Systemtap

Remediation

Red Hat 1 advisory

  • RHSA-2011:0842 Released 2011-05-31 · Red Hat rating Moderate
    systemtap security update
    • Red Hat Enterprise Linux Server (v. 6) systemtap-1.4-6.el6_1.1, systemtap-client-1.4-6.el6_1.1, systemtap-grapher-1.4-6.el6_1.1 +5
    • Red Hat Enterprise Linux Server Optional (v. 6) systemtap-1.4-6.el6_1.1, systemtap-testsuite-1.4-6.el6_1.1

Vendor assessments

Red Hat

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

ProductStatusPlan or fix
Red Hat Enterprise Linux Server (v. 6)Fixed RHSA-2011:0842
Red Hat Enterprise Linux Server Optional (v. 6)Fixed RHSA-2011:0842
Not affected: 2 products
  • Red Hat Enterprise Linux 4
  • Red Hat Enterprise Linux 5

Timeline

  1. 2026-10-02 Threatist record created from CVE-2011-1781
  2. 2026-10-03 Alias added: GHSA-qrqj-c695-3j7q

References

Advisory 2

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