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FKIE_CVE-2012-2744

Vulnerability from fkie_nvd - Published: 2012-08-09 10:29 - Updated: 2026-06-16 23:42
Severity
Summary
net/ipv6/netfilter/nf_conntrack_reasm.c in the Linux kernel before 2.6.34, when the nf_conntrack_ipv6 module is enabled, allows remote attackers to cause a denial of service (NULL pointer dereference and system crash) via certain types of fragmented IPv6 packets.
References
secalert@redhat.comhttp://ftp.osuosl.org/pub/linux/kernel/v2.6/ChangeLog-2.6.34
secalert@redhat.comhttp://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=9e2dcf72023d1447f09c47d77c99b0c49659e5ce
secalert@redhat.comhttp://rhn.redhat.com/errata/RHSA-2012-1064.html
secalert@redhat.comhttp://rhn.redhat.com/errata/RHSA-2012-1148.html
secalert@redhat.comhttp://secunia.com/advisories/49928
secalert@redhat.comhttp://www.securityfocus.com/bid/54367
secalert@redhat.comhttp://www.securitytracker.com/id?1027235
secalert@redhat.comhttps://bugzilla.redhat.com/show_bug.cgi?id=833402
secalert@redhat.comhttps://github.com/torvalds/linux/commit/9e2dcf72023d1447f09c47d77c99b0c49659e5cePatch
af854a3a-2127-422b-91ae-364da2661108http://ftp.osuosl.org/pub/linux/kernel/v2.6/ChangeLog-2.6.34
af854a3a-2127-422b-91ae-364da2661108http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=9e2dcf72023d1447f09c47d77c99b0c49659e5ce
af854a3a-2127-422b-91ae-364da2661108http://rhn.redhat.com/errata/RHSA-2012-1064.html
af854a3a-2127-422b-91ae-364da2661108http://rhn.redhat.com/errata/RHSA-2012-1148.html
af854a3a-2127-422b-91ae-364da2661108http://secunia.com/advisories/49928
af854a3a-2127-422b-91ae-364da2661108http://www.securityfocus.com/bid/54367
af854a3a-2127-422b-91ae-364da2661108http://www.securitytracker.com/id?1027235
af854a3a-2127-422b-91ae-364da2661108https://bugzilla.redhat.com/show_bug.cgi?id=833402
af854a3a-2127-422b-91ae-364da2661108https://github.com/torvalds/linux/commit/9e2dcf72023d1447f09c47d77c99b0c49659e5cePatch
Impacted products
Vendor Product Version
linux linux_kernel *
linux linux_kernel 2.6.33
linux linux_kernel 2.6.33.1
linux linux_kernel 2.6.33.2
linux linux_kernel 2.6.33.3
linux linux_kernel 2.6.33.4
linux linux_kernel 2.6.33.5
linux linux_kernel 2.6.33.6
linux linux_kernel 2.6.33.7
linux linux_kernel 2.6.33.8
linux linux_kernel 2.6.33.9
linux linux_kernel 2.6.33.10
linux linux_kernel 2.6.33.11
linux linux_kernel 2.6.33.12
linux linux_kernel 2.6.33.13
linux linux_kernel 2.6.33.14
linux linux_kernel 2.6.33.15
linux linux_kernel 2.6.33.16
linux linux_kernel 2.6.33.17
linux linux_kernel 2.6.33.18
linux linux_kernel 2.6.33.19
To clipboard 

{
  "affected": [
    {
      "affectedData": [
        {
          "product": "n/a",
          "vendor": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "n/a"
            }
          ]
        }
      ],
      "source": "secalert@redhat.com"
    }
  ],
  "configurations": [
    {
      "nodes": [
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              "versionEndIncluding": "2.6.33.20",
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          "negate": false,
          "operator": "OR"
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      ]
    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "net/ipv6/netfilter/nf_conntrack_reasm.c in the Linux kernel before 2.6.34, when the nf_conntrack_ipv6 module is enabled, allows remote attackers to cause a denial of service (NULL pointer dereference and system crash) via certain types of fragmented IPv6 packets."
    },
    {
      "lang": "es",
      "value": "net/ipv6/netfilter/nf_conntrack_reasm.c en el kernel de Linux anterior a v2.6.34, cuando el m\u00f3dulo nf_conntrack_ipv6 est\u00e1 habilitado, permite a atacantes remotos causar una denegaci\u00f3n de servicio (referencia de puntero a NULL y ca\u00edda del sistema) mediante ciertos tipos de paquetes IPv6 fragmentados."
    }
  ],
  "evaluatorComment": "Per: http://cwe.mitre.org/data/definitions/476.html\r\n\r\n\u0027CWE-476: NULL Pointer Dereference\u0027",
  "id": "CVE-2012-2744",
  "lastModified": "2026-06-16T23:42:01.360",
  "metrics": {
    "cvssMetricV2": [
      {
        "acInsufInfo": false,
        "baseSeverity": "HIGH",
        "cvssData": {
          "accessComplexity": "LOW",
          "accessVector": "NETWORK",
          "authentication": "NONE",
          "availabilityImpact": "COMPLETE",
          "baseScore": 7.8,
          "confidentialityImpact": "NONE",
          "integrityImpact": "NONE",
          "vectorString": "AV:N/AC:L/Au:N/C:N/I:N/A:C",
          "version": "2.0"
        },
        "exploitabilityScore": 10.0,
        "impactScore": 6.9,
        "obtainAllPrivilege": false,
        "obtainOtherPrivilege": false,
        "obtainUserPrivilege": false,
        "source": "nvd@nist.gov",
        "type": "Primary",
        "userInteractionRequired": false
      }
    ]
  },
  "published": "2012-08-09T10:29:46.963",
  "references": [
    {
      "source": "secalert@redhat.com",
      "url": "http://ftp.osuosl.org/pub/linux/kernel/v2.6/ChangeLog-2.6.34"
    },
    {
      "source": "secalert@redhat.com",
      "url": "http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=9e2dcf72023d1447f09c47d77c99b0c49659e5ce"
    },
    {
      "source": "secalert@redhat.com",
      "url": "http://rhn.redhat.com/errata/RHSA-2012-1064.html"
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    {
      "source": "secalert@redhat.com",
      "url": "http://rhn.redhat.com/errata/RHSA-2012-1148.html"
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    {
      "source": "secalert@redhat.com",
      "url": "http://secunia.com/advisories/49928"
    },
    {
      "source": "secalert@redhat.com",
      "url": "http://www.securityfocus.com/bid/54367"
    },
    {
      "source": "secalert@redhat.com",
      "url": "http://www.securitytracker.com/id?1027235"
    },
    {
      "source": "secalert@redhat.com",
      "url": "https://bugzilla.redhat.com/show_bug.cgi?id=833402"
    },
    {
      "source": "secalert@redhat.com",
      "tags": [
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      "url": "https://github.com/torvalds/linux/commit/9e2dcf72023d1447f09c47d77c99b0c49659e5ce"
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    },
    {
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      "url": "http://rhn.redhat.com/errata/RHSA-2012-1064.html"
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      "url": "http://rhn.redhat.com/errata/RHSA-2012-1148.html"
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    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "url": "http://secunia.com/advisories/49928"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "url": "http://www.securityfocus.com/bid/54367"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "url": "http://www.securitytracker.com/id?1027235"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "url": "https://bugzilla.redhat.com/show_bug.cgi?id=833402"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
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      "url": "https://github.com/torvalds/linux/commit/9e2dcf72023d1447f09c47d77c99b0c49659e5ce"
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  ],
  "sourceIdentifier": "secalert@redhat.com",
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "NVD-CWE-Other"
        }
      ],
      "source": "nvd@nist.gov",
      "type": "Primary"
    }
  ]
}



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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.
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  • 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.


Detection rules are retrieved from Rulezet.


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