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CVE-2011-2503

UnknownEPSS 0.44%

Last modified

CVE-2011-2503 is a vulnerability of currently unknown severity. 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.. EPSS estimates a 0.44% chance of exploitation in the next 30 days.

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.

Metrics

EPSS Probability
0.44%

35.1th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

VendorProductVersions
SystemtapSystemtap<= 1.5
SystemtapSystemtap0.2.2
SystemtapSystemtap0.3
SystemtapSystemtap0.4
SystemtapSystemtap0.5
SystemtapSystemtap0.5.3
SystemtapSystemtap0.5.4
SystemtapSystemtap0.5.5
SystemtapSystemtap0.5.7
SystemtapSystemtap0.5.8
SystemtapSystemtap0.5.9
SystemtapSystemtap0.5.10
SystemtapSystemtap0.5.12
SystemtapSystemtap0.5.13
SystemtapSystemtap0.5.14
SystemtapSystemtap0.6
SystemtapSystemtap0.6.2
SystemtapSystemtap0.7
SystemtapSystemtap0.7.2
SystemtapSystemtap0.8
SystemtapSystemtap0.9
SystemtapSystemtap0.9.5
SystemtapSystemtap0.9.7
SystemtapSystemtap0.9.8
SystemtapSystemtap0.9.9
SystemtapSystemtap1.0
SystemtapSystemtap1.1
SystemtapSystemtap1.2
SystemtapSystemtap1.3
SystemtapSystemtap1.4

References

Timeline

Published
Last Modified
Status
Modified

Frequently Asked Questions

What is CVE-2011-2503?
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.
How severe is CVE-2011-2503?
Severity scoring for CVE-2011-2503 is pending analysis. The EPSS model estimates a 0.44% probability of exploitation in the next 30 days.
How do I fix CVE-2011-2503?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2011-2503?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST