CVE-2011-1769

CVE-2011-1769 is a low-severity vulnerability in Systemtap with a CVSS 2.0 base score of 1.2. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-189.

Key facts

• Severity: Low (CVSS 2.0 base score 1.2)
• EPSS exploit prediction: 0% (21st percentile)
• Actively exploited: Not listed in CISA KEV
• Weakness: CWE-189
• Affected product: Systemtap
• Published: 2011-08-29
• Last modified: 2026-06-16

Description

SystemTap 1.4 and earlier, 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 context variable access.

Frequently asked questions

What is CVE-2011-1769?

SystemTap 1.4 and earlier, 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 context variable access.

How severe is CVE-2011-1769?

CVE-2011-1769 has a CVSS 2.0 base score of 1.2, rated low severity.

Is CVE-2011-1769 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (21st percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2011-1769?

CVE-2011-1769 primarily affects Systemtap. In total, 29 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2011-1769?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2011-1769 published?

CVE-2011-1769 was published on 2011-08-29 and last updated on 2026-06-16.

References

• http://openwall.com/lists/oss-security/2011/05/20/2
• http://secunia.com/advisories/44802
• http://sourceware.org/git/?p=systemtap.git%3Ba=commit%3Bh=fa2e3415185a28542d419a641ecd6cddd52e3cd9
• http://www.mandriva.com/security/advisories?name=MDVSA-2011:154
• http://www.mandriva.com/security/advisories?name=MDVSA-2011:155
• http://www.securityfocus.com/bid/47934
• https://bugzilla.redhat.com/show_bug.cgi?id=702687
• https://rhn.redhat.com/errata/RHSA-2011-0842.html

Affected products (29)

• cpe:2.3:a:systemtap:systemtap:*:*:*:*:*:*:*:*
• cpe:2.3:a:systemtap:systemtap:0.2.2:*:*:*:*:*:*:*
• cpe:2.3:a:systemtap:systemtap:0.3:*:*:*:*:*:*:*
• cpe:2.3:a:systemtap:systemtap:0.4:*:*:*:*:*:*:*
• cpe:2.3:a:systemtap:systemtap:0.5:*:*:*:*:*:*:*
• cpe:2.3:a:systemtap:systemtap:0.5.3:*:*:*:*:*:*:*
• cpe:2.3:a:systemtap:systemtap:0.5.4:*:*:*:*:*:*:*
• cpe:2.3:a:systemtap:systemtap:0.5.5:*:*:*:*:*:*:*
• cpe:2.3:a:systemtap:systemtap:0.5.7:*:*:*:*:*:*:*
• cpe:2.3:a:systemtap:systemtap:0.5.8:*:*:*:*:*:*:*
• cpe:2.3:a:systemtap:systemtap:0.5.9:*:*:*:*:*:*:*
• cpe:2.3:a:systemtap:systemtap:0.5.10:*:*:*:*:*:*:*
• cpe:2.3:a:systemtap:systemtap:0.5.12:*:*:*:*:*:*:*
• cpe:2.3:a:systemtap:systemtap:0.5.13:*:*:*:*:*:*:*
• cpe:2.3:a:systemtap:systemtap:0.5.14:*:*:*:*:*:*:*
• cpe:2.3:a:systemtap:systemtap:0.6:*:*:*:*:*:*:*
• cpe:2.3:a:systemtap:systemtap:0.6.2:*:*:*:*:*:*:*
• cpe:2.3:a:systemtap:systemtap:0.7:*:*:*:*:*:*:*
• cpe:2.3:a:systemtap:systemtap:0.7.2:*:*:*:*:*:*:*
• cpe:2.3:a:systemtap:systemtap:0.8:*:*:*:*:*:*:*
• cpe:2.3:a:systemtap:systemtap:0.9:*:*:*:*:*:*:*
• cpe:2.3:a:systemtap:systemtap:0.9.5:*:*:*:*:*:*:*
• cpe:2.3:a:systemtap:systemtap:0.9.7:*:*:*:*:*:*:*
• cpe:2.3:a:systemtap:systemtap:0.9.8:*:*:*:*:*:*:*
• cpe:2.3:a:systemtap:systemtap:0.9.9:*:*:*:*:*:*:*
• cpe:2.3:a:systemtap:systemtap:1.0:*:*:*:*:*:*:*
• cpe:2.3:a:systemtap:systemtap:1.1:*:*:*:*:*:*:*
• cpe:2.3:a:systemtap:systemtap:1.2:*:*:*:*:*:*:*
• cpe:2.3:a:systemtap:systemtap:1.3:*:*:*:*:*:*:*

More vulnerabilities in Systemtap

• CVE-2009-4273 — Critical (CVSS 10.0): stap-server in SystemTap before 1.1 allows remote attackers to execute arbitrary commands via shell metacharacters in…
• CVE-2010-0412 — High (CVSS 7.5): stap-server in SystemTap 1.1 does not properly restrict the value of the -B (aka BUILD) option, which allows attackers…
• CVE-2010-4170 — High (CVSS 7.2): The staprun runtime tool in SystemTap 1.3 does not properly clear the environment before executing modprobe, which…
• CVE-2009-0784 — Medium (CVSS 6.3): Race condition in the SystemTap stap tool 0.0.20080705 and 0.0.20090314 allows local users in the stapusr group to…
• CVE-2012-0875 — Medium (CVSS 5.4): SystemTap 1.7, 1.6.7, and probably other versions, when unprivileged mode is enabled, allows local users to obtain…
• CVE-2010-0411 — Medium (CVSS 4.9): Multiple integer signedness errors in the (1) __get_argv and (2) __get_compat_argv functions in tapset/aux_syscalls.stp…

All CVEs affecting Systemtap →

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