CVE-2011-2503 (GCVE-0-2011-2503)
Vulnerability from cvelistv5 – Published: 2012-07-26 19:00 – Updated: 2024-09-17 01:01
VLAI
EPSS
VEX
Summary
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.
Severity
No CVSS data available.
CWE
- n/a
Assigner
References
6 references
| URL | Tags |
|---|---|
| https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2… | x_refsource_MISC |
| http://sources.redhat.com/git/gitweb.cgi?p=system… | x_refsource_CONFIRM |
| http://www.debian.org/security/2011/dsa-2348 | vendor-advisoryx_refsource_DEBIAN |
| http://secunia.com/advisories/46920 | third-party-advisoryx_refsource_SECUNIA |
| http://secunia.com/advisories/45377 | third-party-advisoryx_refsource_SECUNIA |
| http://sources.redhat.com/git/gitweb.cgi?p=system… | x_refsource_CONFIRM |
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"matchCriteriaId": "7A621722-6DD4-461D-AD74-461B9C10C772",
"vulnerable": true
},
{
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"matchCriteriaId": "9B5B77E9-F98C-4310-8D6A-E41A27CD559A",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:systemtap:systemtap:0.5.14:*:*:*:*:*:*:*",
"matchCriteriaId": "B6E9824F-8977-4CE6-BA05-E8899E41066E",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:systemtap:systemtap:0.6:*:*:*:*:*:*:*",
"matchCriteriaId": "FF58A998-52F0-4BCA-9FF7-FCCC28E6FCE1",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:systemtap:systemtap:0.6.2:*:*:*:*:*:*:*",
"matchCriteriaId": "C2327CA9-5A80-4C86-BAF6-A9E3BB7085C6",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:systemtap:systemtap:0.7:*:*:*:*:*:*:*",
"matchCriteriaId": "6627D143-6E8D-40DE-BBD0-308FF1B200D6",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:systemtap:systemtap:0.7.2:*:*:*:*:*:*:*",
"matchCriteriaId": "A1AE49CA-424E-4328-A348-98F2C847D8FC",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:systemtap:systemtap:0.8:*:*:*:*:*:*:*",
"matchCriteriaId": "19E88BF9-1403-40F9-A64E-A1FEFEFC4E2D",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:systemtap:systemtap:0.9:*:*:*:*:*:*:*",
"matchCriteriaId": "3E12D5C4-4BC6-4802-B5CE-5D5A41FB3B71",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:systemtap:systemtap:0.9.5:*:*:*:*:*:*:*",
"matchCriteriaId": "6FD4201A-64B5-4DCC-9696-BD0F8780D200",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:systemtap:systemtap:0.9.7:*:*:*:*:*:*:*",
"matchCriteriaId": "C3FEDD7F-969D-422C-A899-9550EC52EBD7",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:systemtap:systemtap:0.9.8:*:*:*:*:*:*:*",
"matchCriteriaId": "F37EBCB6-8056-466C-B2AB-385DF48EEA8F",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:systemtap:systemtap:0.9.9:*:*:*:*:*:*:*",
"matchCriteriaId": "0D795EA7-04FC-4D0E-9944-6C9D4882A897",
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},
{
"criteria": "cpe:2.3:a:systemtap:systemtap:1.0:*:*:*:*:*:*:*",
"matchCriteriaId": "7C36C437-D28D-452A-BAF0-4A618A61920B",
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},
{
"criteria": "cpe:2.3:a:systemtap:systemtap:1.1:*:*:*:*:*:*:*",
"matchCriteriaId": "5AB898A5-C8EF-4BBA-B480-00461218FC3B",
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},
{
"criteria": "cpe:2.3:a:systemtap:systemtap:1.2:*:*:*:*:*:*:*",
"matchCriteriaId": "D06D7E42-666F-43CE-8BE3-0EE915450CC0",
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},
{
"criteria": "cpe:2.3:a:systemtap:systemtap:1.3:*:*:*:*:*:*:*",
"matchCriteriaId": "3D031679-0C77-4645-B488-DA29BB81FA39",
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},
{
"criteria": "cpe:2.3:a:systemtap:systemtap:1.4:*:*:*:*:*:*:*",
"matchCriteriaId": "CE5CA99B-6DED-4395-BFE0-C8DB7F504AF0",
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}
],
"negate": false,
"operator": "OR"
}
]
}
],
"cveTags": [],
"descriptions": [
{
"lang": "en",
"value": "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."
},
{
"lang": "es",
"value": "La funci\u00f3n insert_module en tiempo de ejecuci\u00f3n/staprun/staprun_funcs.c en la herramienta de tiempo de ejecuci\u00f3n systemtap (staprun) en SystemTap antes de v1.6 no valida correctamente un m\u00f3dulo cuando se carga, lo que permite a usuarios locales conseguir privilegios a trav\u00e9s de una condici\u00f3n de carrera entre la validaci\u00f3n de la firma y el m\u00f3dulo de inicializaci\u00f3n.\r\n"
}
],
"id": "CVE-2011-2503",
"lastModified": "2026-04-29T01:13:23.040",
"metrics": {
"cvssMetricV2": [
{
"acInsufInfo": false,
"baseSeverity": "LOW",
"cvssData": {
"accessComplexity": "HIGH",
"accessVector": "LOCAL",
"authentication": "NONE",
"availabilityImpact": "PARTIAL",
"baseScore": 3.7,
"confidentialityImpact": "PARTIAL",
"integrityImpact": "PARTIAL",
"vectorString": "AV:L/AC:H/Au:N/C:P/I:P/A:P",
"version": "2.0"
},
"exploitabilityScore": 1.9,
"impactScore": 6.4,
"obtainAllPrivilege": false,
"obtainOtherPrivilege": false,
"obtainUserPrivilege": false,
"source": "nvd@nist.gov",
"type": "Primary",
"userInteractionRequired": false
}
]
},
"published": "2012-07-26T19:55:00.793",
"references": [
{
"source": "secalert@redhat.com",
"tags": [
"Vendor Advisory"
],
"url": "http://secunia.com/advisories/45377"
},
{
"source": "secalert@redhat.com",
"tags": [
"Vendor Advisory"
],
"url": "http://secunia.com/advisories/46920"
},
{
"source": "secalert@redhat.com",
"url": "http://sources.redhat.com/git/gitweb.cgi?p=systemtap.git%3Ba=blob%3Bf=NEWS%3Bhb=304d73b1fea24af791f2a129fb141c5009eae6a8"
},
{
"source": "secalert@redhat.com",
"url": "http://sources.redhat.com/git/gitweb.cgi?p=systemtap.git%3Ba=commitdiff%3Bh=ed51cfa24ca27746ab09b59280b94117dd58cba3"
},
{
"source": "secalert@redhat.com",
"url": "http://www.debian.org/security/2011/dsa-2348"
},
{
"source": "secalert@redhat.com",
"url": "https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2011-2503"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"tags": [
"Vendor Advisory"
],
"url": "http://secunia.com/advisories/45377"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"tags": [
"Vendor Advisory"
],
"url": "http://secunia.com/advisories/46920"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "http://sources.redhat.com/git/gitweb.cgi?p=systemtap.git%3Ba=blob%3Bf=NEWS%3Bhb=304d73b1fea24af791f2a129fb141c5009eae6a8"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "http://sources.redhat.com/git/gitweb.cgi?p=systemtap.git%3Ba=commitdiff%3Bh=ed51cfa24ca27746ab09b59280b94117dd58cba3"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "http://www.debian.org/security/2011/dsa-2348"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2011-2503"
}
],
"sourceIdentifier": "secalert@redhat.com",
"vulnStatus": "Modified",
"weaknesses": [
{
"description": [
{
"lang": "en",
"value": "CWE-20"
}
],
"source": "nvd@nist.gov",
"type": "Primary"
}
]
}
},
"redhat_vex": {
"aggregate_severity": "Moderate",
"current_release_date": "2025-11-21T12:51:41+00:00",
"cve": "CVE-2011-2503",
"id": "CVE-2011-2503",
"initial_release_date": "2011-07-25T00:00:00+00:00",
"product_status:fixed": "168",
"product_status:known_affected": "1",
"source": "Red Hat CSAF VEX",
"status": "final",
"title": "systemtap: signed module loading race condition",
"url": "https://security.access.redhat.com/data/csaf/v2/vex/2011/cve-2011-2503.json",
"version": "3"
},
"suse_vex": {
"aggregate_severity": "moderate",
"current_release_date": "2026-05-01T02:26:13Z",
"cve": "CVE-2011-2503",
"id": "CVE-2011-2503",
"initial_release_date": "2023-02-15T05:52:29Z",
"source": "SUSE CSAF VEX",
"status": "interim",
"title": "SUSE CVE CVE-2011-2503",
"url": "https://ftp.suse.com/pub/projects/security/csaf-vex/cve-2011-2503.json",
"version": "3"
}
}
}
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Experimental. This forecast is provided for visualization only and may change without notice. Do not use it for operational decisions.
Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.
Sightings
| Author | Source | Type | Date | Other |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or observed by the user.
- Confirmed: The vulnerability has been validated from an analyst's perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
- Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
- Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
- Not confirmed: The user expressed doubt about the validity of the vulnerability.
- Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.
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The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the
vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base
model, served locally by ML-Gateway.
They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.
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Related by attack behaviour
Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.
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