| Name | CVE-2009-2911 |
| Description | SystemTap 1.0, when the --unprivileged option is used, does not properly restrict certain data sizes, which allows local users to (1) cause a denial of service or gain privileges via a print operation with a large number of arguments that trigger a kernel stack overflow, (2) cause a denial of service via crafted DWARF expressions that trigger a kernel stack frame overflow, or (3) cause a denial of service (infinite loop) via vectors that trigger creation of large unwind tables, related to Common Information Entry (CIE) and Call Frame Instruction (CFI) records. |
| 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 | 551918 |
The table below lists information on source packages.
| Source Package | Release | Version | Status |
|---|---|---|---|
| systemtap (PTS) | buster | 4.0-1 | fixed |
| bullseye | 4.4-2 | fixed | |
| bookworm | 4.8-2 | fixed | |
| sid, trixie | 5.0-2 | fixed |
The information below is based on the following data on fixed versions.
| Package | Type | Release | Fixed Version | Urgency | Origin | Debian Bugs |
|---|---|---|---|---|---|---|
| systemtap | source | lenny | (not affected) | |||
| systemtap | source | (unstable) | 1.0-2 | 551918 |
[lenny] - systemtap <not-affected> (Affected functionality only added in 1.0)