CVE-2009-2911

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, ENISA, LWN, oss-sec, fulldisc, Debian ELTS, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more)
Debian Bugs	551918

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
	trixie	5.1-5	fixed
	forky, sid	5.3-1	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)