CVE-2007-2525 (GCVE-0-2007-2525)

Vulnerability from cvelistv5 – Published: 2007-05-08 23:00 – Updated: 2024-08-07 13:42
VLAI
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.
Severity
No CVSS data available.
CWE
  • n/a
Assigner
References
URL Tags
http://kernel.org/pub/linux/kernel/v2.6/snapshots… x_refsource_CONFIRM
http://www.vupen.com/english/advisories/2007/1703 vdb-entryx_refsource_VUPEN
http://secunia.com/advisories/27227 third-party-advisoryx_refsource_SECUNIA
http://secunia.com/advisories/26664 third-party-advisoryx_refsource_SECUNIA
http://www.novell.com/linux/security/advisories/2… vendor-advisoryx_refsource_SUSE
http://www.novell.com/linux/security/advisories/2… vendor-advisoryx_refsource_SUSE
http://secunia.com/advisories/26289 third-party-advisoryx_refsource_SECUNIA
http://www.securityfocus.com/bid/23870 vdb-entryx_refsource_BID
https://oval.cisecurity.org/repository/search/def… vdb-entrysignaturex_refsource_OVAL
http://secunia.com/advisories/25838 third-party-advisoryx_refsource_SECUNIA
http://www.mandriva.com/security/advisories?name=… vendor-advisoryx_refsource_MANDRIVA
http://www.ubuntu.com/usn/usn-510-1 vendor-advisoryx_refsource_UBUNTU
http://www.debian.org/security/2008/dsa-1504 vendor-advisoryx_refsource_DEBIAN
http://www.debian.org/security/2007/dsa-1356 vendor-advisoryx_refsource_DEBIAN
http://www.mandriva.com/security/advisories?name=… vendor-advisoryx_refsource_MANDRIVA
http://secunia.com/advisories/26620 third-party-advisoryx_refsource_SECUNIA
http://www.ubuntu.com/usn/usn-489-1 vendor-advisoryx_refsource_UBUNTU
https://exchange.xforce.ibmcloud.com/vulnerabilit… vdb-entryx_refsource_XF
http://www.mandriva.com/security/advisories?name=… vendor-advisoryx_refsource_MANDRIVA
http://secunia.com/advisories/25163 third-party-advisoryx_refsource_SECUNIA
http://www.debian.org/security/2008/dsa-1503 vendor-advisoryx_refsource_DEBIAN
http://support.avaya.com/elmodocs2/security/ASA-2… x_refsource_CONFIRM
http://secunia.com/advisories/29058 third-party-advisoryx_refsource_SECUNIA
https://rhn.redhat.com/errata/RHSA-2007-0376.html vendor-advisoryx_refsource_REDHAT
http://www.ubuntu.com/usn/usn-486-1 vendor-advisoryx_refsource_UBUNTU
http://secunia.com/advisories/26450 third-party-advisoryx_refsource_SECUNIA
http://secunia.com/advisories/25700 third-party-advisoryx_refsource_SECUNIA
http://secunia.com/advisories/26139 third-party-advisoryx_refsource_SECUNIA
http://rhn.redhat.com/errata/RHSA-2007-0488.html vendor-advisoryx_refsource_REDHAT
http://secunia.com/advisories/26133 third-party-advisoryx_refsource_SECUNIA
Date Public
2007-04-20 00:00
Show details on NVD website
To clipboard 

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    "assignerOrgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca",
    "assignerShortName": "mitre",
    "cveId": "CVE-2007-2525",
    "datePublished": "2007-05-08T23:00:00.000Z",
    "dateReserved": "2007-05-08T00:00:00.000Z",
    "dateUpdated": "2024-08-07T13:42:33.440Z",
    "state": "PUBLISHED"
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      "date": "2026-10-03",
      "epss": "0.00405",
      "percentile": "0.32438"
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            "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."
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          {
            "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"
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        ],
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        "lastModified": "2026-06-16T22:39:46.377",
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              "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"
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              "impactScore": 6.9,
              "obtainAllPrivilege": false,
              "obtainOtherPrivilege": false,
              "obtainUserPrivilege": false,
              "source": "nvd@nist.gov",
              "type": "Primary",
              "userInteractionRequired": false
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        "published": "2007-05-08T23:19:00.000",
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            "source": "cve@mitre.org",
            "tags": [
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        "sourceIdentifier": "cve@mitre.org",
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                "value": "NVD-CWE-Other"
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      "current_release_date": "2025-11-21T13:19:56+00:00",
      "cve": "CVE-2007-2525",
      "id": "CVE-2007-2525",
      "initial_release_date": "2007-05-08T00:00:00+00:00",
      "product_status:fixed": "242",
      "source": "Red Hat CSAF VEX",
      "status": "final",
      "title": "PPPoE socket PPPIOCGCHAN denial of service",
      "url": "https://security.access.redhat.com/data/csaf/v2/vex/2007/cve-2007-2525.json",
      "version": "3"
    }
  }
}



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Tags
Taxonomy of the tags.





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.



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.