FKIE_CVE-2006-2446
Vulnerability from fkie_nvd - Published: 2006-08-15 22:04 - Updated: 2026-06-16 22:25
Severity
Summary
Race condition between the kfree_skb and __skb_unlink functions in the socket buffer handling in Linux kernel 2.6.9, and possibly other versions, allows remote attackers to cause a denial of service (crash), as demonstrated using the TCP stress tests from the LTP test suite.
References
Impacted products
| Vendor | Product | Version | |
|---|---|---|---|
| linux | linux_kernel | 2.6.9 |
{
"affected": [
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"affectedData": [
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"vendor": "n/a",
"versions": [
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"status": "affected",
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],
"source": "secalert@redhat.com"
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],
"configurations": [
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"cveTags": [],
"descriptions": [
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"value": "Race condition between the kfree_skb and __skb_unlink functions in the socket buffer handling in Linux kernel 2.6.9, and possibly other versions, allows remote attackers to cause a denial of service (crash), as demonstrated using the TCP stress tests from the LTP test suite."
},
{
"lang": "es",
"value": "Condici\u00f3n de carrera entre las funciones kfree_skb y __skb_unlink en el manejo de b\u00fafer de socket del n\u00facleo de Linux 2.6.9, y posiblemente otras versiones, permite a atacantes ermotos provocar una denegaci\u00f3n de servicio (ca\u00edda), como se ha demostrado usando las pruebas de estr\u00e9s TCP del conjunto de pruebas LTP."
}
],
"id": "CVE-2006-2446",
"lastModified": "2026-06-16T22:25:01.737",
"metrics": {
"cvssMetricV2": [
{
"acInsufInfo": false,
"baseSeverity": "MEDIUM",
"cvssData": {
"accessComplexity": "HIGH",
"accessVector": "NETWORK",
"authentication": "NONE",
"availabilityImpact": "COMPLETE",
"baseScore": 5.4,
"confidentialityImpact": "NONE",
"integrityImpact": "NONE",
"vectorString": "AV:N/AC:H/Au:N/C:N/I:N/A:C",
"version": "2.0"
},
"exploitabilityScore": 4.9,
"impactScore": 6.9,
"obtainAllPrivilege": false,
"obtainOtherPrivilege": false,
"obtainUserPrivilege": false,
"source": "nvd@nist.gov",
"type": "Primary",
"userInteractionRequired": false
}
]
},
"published": "2006-08-15T22:04:00.000",
"references": [
{
"source": "secalert@redhat.com",
"url": "http://secunia.com/advisories/21465"
},
{
"source": "secalert@redhat.com",
"url": "http://secunia.com/advisories/22082"
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"source": "secalert@redhat.com",
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{
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"url": "http://support.avaya.com/elmodocs2/security/ASA-2006-200.htm"
},
{
"source": "secalert@redhat.com",
"url": "http://www.debian.org/security/2006/dsa-1183"
},
{
"source": "secalert@redhat.com",
"url": "http://www.debian.org/security/2006/dsa-1184"
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{
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"url": "http://www.mandriva.com/security/advisories?name=MDKSA-2007:025"
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{
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"url": "http://secunia.com/advisories/22093"
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{
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"url": "http://secunia.com/advisories/22417"
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"url": "http://support.avaya.com/elmodocs2/security/ASA-2006-200.htm"
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{
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"url": "http://www.debian.org/security/2006/dsa-1183"
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{
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"url": "http://www.debian.org/security/2006/dsa-1184"
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{
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"url": "http://www.mandriva.com/security/advisories?name=MDKSA-2007:025"
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{
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"tags": [
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"url": "http://www.redhat.com/support/errata/RHSA-2006-0575.html"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "http://www.securityfocus.com/bid/19475"
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{
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"tags": [
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{
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"url": "https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A9117"
}
],
"sourceIdentifier": "secalert@redhat.com",
"vulnStatus": "Modified",
"weaknesses": [
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"description": [
{
"lang": "en",
"value": "NVD-CWE-Other"
}
],
"source": "nvd@nist.gov",
"type": "Primary"
}
]
}
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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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