SystemTap 1.4, when unprivileged (aka stapusr) mode is enabled, allows local users to cause a denial of service (divide-by-zero error and…

Description

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).

Scores

EPSS (exploitation in 30 days)

0.30% · top 77% of all CVEs (3 Nov 2026)

The list uses the assigner's score when there is one, then CISA's, then NVD's: Low 1.2.

Weakness

• n/a
• CWE-189 (opens in a new tab)All about CWE-189 and its CVEs

Affected products

• n/a

  • affected n/a

References (7)

• 44802 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
• https://bugzilla.redhat.com/show_bug.cgi?id=702687 (opens in a new tab)x_refsource_CONFIRMx_transferred
• http://sourceware.org/git/?p=systemtap.git%3Ba=commit%3Bh=fa2e3415185a28542d419a641ecd6cddd52e3cd9 (opens in a new tab)x_refsource_CONFIRMx_transferred
• 47934 (opens in a new tab)vdb-entryx_refsource_BIDx_transferred
• MDVSA-2011:155 (opens in a new tab)vendor-advisoryx_refsource_MANDRIVAx_transferred
• RHSA-2011:0842 (opens in a new tab)vendor-advisoryx_refsource_REDHATx_transferred
• [oss-security] 20110520 systemtap divide-by-zero issues (CVE-2011-1769, CVE-2011-1781) (opens in a new tab)mailing-listx_refsource_MLISTx_transferred

Sources

The same CVE in the primary databases and aggregators, to check against.

• CVE.org record (opens in a new tab)
• CVE List JSON (GitHub) (opens in a new tab)
• NVD (opens in a new tab)
• FIRST EPSS (opens in a new tab)
• OSV.dev (opens in a new tab)
• GitHub Advisories (opens in a new tab)
• CIRCL Vulnerability-Lookup (opens in a new tab)

Badge for a README or a ticket

[![CVE-2011-1781](https://trackcve.app/badge/CVE-2011-1781.svg)](https://trackcve.app/cve/CVE-2011-1781)

Record last updated 6 Aug 2024, 22:37 UTC.