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.

Category

3.7
CVSS
Severity: Low
CVSS 2.0 •
EPSS 0.07%
Vendor Advisory debian.org Vendor Advisory secunia.com Vendor Advisory secunia.com
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2011-2503
http://sources.redhat.com/git/gitweb.cgi?p=systemtap.git%3Ba=commitdiff%3Bh=ed51cfa24ca27746ab09b59280b94117dd58cba3
http://www.debian.org/security/2011/dsa-2348 vendor advisory
http://secunia.com/advisories/46920 third party advisory vendor advisory
http://secunia.com/advisories/45377 third party advisory vendor advisory
http://sources.redhat.com/git/gitweb.cgi?p=systemtap.git%3Ba=blob%3Bf=NEWS%3Bhb=304d73b1fea24af791f2a129fb141c5009eae6a8

Frequently Asked Questions

What is the severity of CVE-2011-2503?
CVE-2011-2503 has been scored as a low severity vulnerability.
How to fix CVE-2011-2503?
To fix CVE-2011-2503, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2011-2503 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2011-2503 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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