CVE-2011-1781: Systemtap

Low severity, CVSS 1.2. EPSS: 0.3% chance of exploitation in the next 30 days.

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).

Affected products

• Systemtap Systemtap: version 1.4 only

Published 2011-08-29. Last modified 2026-06-16.