CVE-2011-2503

NameCVE-2011-2503
DescriptionThe 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.
SourceCVE (at NVD; LWN, oss-sec, fulldisc, bugtraq, EDB, Metasploit, Red Hat, Ubuntu, Gentoo, SuSE, Mageia, GitHub code/issues, web search, more)
ReferencesDSA-2348-1
NVD severitylow (attack range: local)
Debian Bugs635542

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
systemtap (PTS)wheezy1.7-1+deb7u1fixed
jessie2.6-0.2fixed
stretch, sid3.0-4fixed

The information below is based on the following data on fixed versions.

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
systemtapsource(unstable)1.6-1low635542
systemtapsourcelenny(not affected)
systemtapsourcesqueeze1.2-5+squeeze1lowDSA-2348-1

Notes

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

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