FKIE_CVE-2007-2525
Vulnerability from fkie_nvd - Published: 2007-05-08 23:19 - Updated: 2026-06-16 22:39
Severity
Summary
Memory leak in the PPP over Ethernet (PPPoE) socket implementation in the Linux kernel before 2.6.21-git8 allows local users to cause a denial of service (memory consumption) by creating a socket using connect, and releasing it before the PPPIOCGCHAN ioctl is initialized.
References
Impacted products
| Vendor | Product | Version | |
|---|---|---|---|
| linux | linux_kernel | * |
{
"affected": [
{
"affectedData": [
{
"product": "n/a",
"vendor": "n/a",
"versions": [
{
"status": "affected",
"version": "n/a"
}
]
}
],
"source": "cve@mitre.org"
}
],
"configurations": [
{
"nodes": [
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"matchCriteriaId": "CA7B692E-12AF-42A9-AF20-36BBBFCD4F4E",
"versionEndIncluding": "2.6.21",
"vulnerable": true
}
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"negate": false,
"operator": "OR"
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]
}
],
"cveTags": [],
"descriptions": [
{
"lang": "en",
"value": "Memory leak in the PPP over Ethernet (PPPoE) socket implementation in the Linux kernel before 2.6.21-git8 allows local users to cause a denial of service (memory consumption) by creating a socket using connect, and releasing it before the PPPIOCGCHAN ioctl is initialized."
},
{
"lang": "es",
"value": "Una p\u00e9rdida de memoria en la implementaci\u00f3n del socket PPP over Ethernet (PPPoE) en el kernel de Linux versiones anteriores a 2.6.21-git8, permite a usuarios locales causar una denegaci\u00f3n de servicio (consumo de memoria) mediante la creaci\u00f3n de un socket usando connect y liber\u00e1ndolo antes de que la ioctl PPPIOCGCHAN sea inicializada"
}
],
"id": "CVE-2007-2525",
"lastModified": "2026-06-16T22:39:46.377",
"metrics": {
"cvssMetricV2": [
{
"acInsufInfo": false,
"baseSeverity": "MEDIUM",
"cvssData": {
"accessComplexity": "LOW",
"accessVector": "LOCAL",
"authentication": "NONE",
"availabilityImpact": "COMPLETE",
"baseScore": 4.9,
"confidentialityImpact": "NONE",
"integrityImpact": "NONE",
"vectorString": "AV:L/AC:L/Au:N/C:N/I:N/A:C",
"version": "2.0"
},
"exploitabilityScore": 3.9,
"impactScore": 6.9,
"obtainAllPrivilege": false,
"obtainOtherPrivilege": false,
"obtainUserPrivilege": false,
"source": "nvd@nist.gov",
"type": "Primary",
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},
"published": "2007-05-08T23:19:00.000",
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"url": "http://support.avaya.com/elmodocs2/security/ASA-2007-287.htm"
},
{
"source": "cve@mitre.org",
"url": "http://www.debian.org/security/2007/dsa-1356"
},
{
"source": "cve@mitre.org",
"url": "http://www.debian.org/security/2008/dsa-1503"
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{
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"url": "http://www.debian.org/security/2008/dsa-1504"
},
{
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"url": "http://www.mandriva.com/security/advisories?name=MDKSA-2007:171"
},
{
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"url": "http://www.mandriva.com/security/advisories?name=MDKSA-2007:196"
},
{
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"url": "http://www.mandriva.com/security/advisories?name=MDKSA-2007:216"
},
{
"source": "cve@mitre.org",
"url": "http://www.novell.com/linux/security/advisories/2007_51_kernel.html"
},
{
"source": "cve@mitre.org",
"url": "http://www.novell.com/linux/security/advisories/2007_53_kernel.html"
},
{
"source": "cve@mitre.org",
"url": "http://www.securityfocus.com/bid/23870"
},
{
"source": "cve@mitre.org",
"url": "http://www.ubuntu.com/usn/usn-486-1"
},
{
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"url": "http://www.ubuntu.com/usn/usn-489-1"
},
{
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"url": "http://www.ubuntu.com/usn/usn-510-1"
},
{
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"tags": [
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],
"url": "http://www.vupen.com/english/advisories/2007/1703"
},
{
"source": "cve@mitre.org",
"url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/34150"
},
{
"source": "cve@mitre.org",
"url": "https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A10594"
},
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{
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{
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"url": "http://support.avaya.com/elmodocs2/security/ASA-2007-287.htm"
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{
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"url": "http://www.ubuntu.com/usn/usn-486-1"
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{
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{
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{
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}
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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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