| Name | CVE-2011-1781 |
| 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). |
| Source | CVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more) |
| Debian Bugs | 628819 |
Vulnerable and fixed packages
The table below lists information on source packages.
| Source Package | Release | Version | Status |
|---|
| systemtap (PTS) | bullseye | 4.4-2 | fixed |
| bookworm | 4.8-2 | fixed |
| sid, trixie | 5.1-4 | fixed |
The information below is based on the following data on fixed versions.
Notes
[squeeze] - systemtap <not-affected> (Only affects version 1.4.x)
[lenny] - systemtap <not-affected> (Only affects version 1.4.x)
https://bugzilla.redhat.com/show_bug.cgi?id=702687#c29