CVE-2011-1769

Name	CVE-2011-1769
Description	SystemTap 1.4 and earlier, 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 context variable access.
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.

Package	Type	Release	Fixed Version	Urgency	Origin	Debian Bugs
systemtap	source	(unstable)	1.6-1	unimportant		628819

Notes

https://bugzilla.redhat.com/show_bug.cgi?id=702687#c29
http://sourceware.org/git/?p=systemtap.git;a=commit;h=fa2e3415185a28542d419a641ecd6cddd52e3cd9
a DoS with a very limited exploitation possibility