CVE-2011-2503

Name	CVE-2011-2503
Description	The insert_module function in runtime/staprun/staprun_funcs.c in the systemtap runtime tool (staprun) in SystemTap before 1.6 does not properly validate a module when loading it, which allows local users to gain privileges via a race condition between the signature validation and the module initialization.
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)
References	DSA-2348-1
Debian Bugs	635542

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	Origin	Debian Bugs
systemtap	source	lenny	(not affected)
systemtap	source	squeeze	1.2-5+squeeze1	DSA-2348-1
systemtap	source	(unstable)	1.6-1		635542

[lenny] - systemtap <not-affected> (Signed modules not yet supported)