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CVE-2011-2503
critical
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.
References
https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2011-2503
http://www.debian.org/security/2011/dsa-2348