CVE-2012-2744 (GCVE-0-2012-2744)
Vulnerability from cvelistv5 – Published: 2012-08-09 10:00 – Updated: 2024-08-06 19:42
VLAI
EPSS
VEX
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.
Severity
No CVSS data available.
CWE
- n/a
Assigner
References
9 references
| URL | Tags |
|---|---|
| https://bugzilla.redhat.com/show_bug.cgi?id=833402 | x_refsource_CONFIRM |
| http://www.securityfocus.com/bid/54367 | vdb-entryx_refsource_BID |
| http://ftp.osuosl.org/pub/linux/kernel/v2.6/Chang… | x_refsource_CONFIRM |
| http://www.securitytracker.com/id?1027235 | vdb-entryx_refsource_SECTRACK |
| http://git.kernel.org/?p=linux/kernel/git/torvald… | x_refsource_CONFIRM |
| https://github.com/torvalds/linux/commit/9e2dcf72… | x_refsource_CONFIRM |
| http://rhn.redhat.com/errata/RHSA-2012-1064.html | vendor-advisoryx_refsource_REDHAT |
| http://secunia.com/advisories/49928 | third-party-advisoryx_refsource_SECUNIA |
| http://rhn.redhat.com/errata/RHSA-2012-1148.html | vendor-advisoryx_refsource_REDHAT |
Date Public
2010-05-16 00:00
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}
],
"negate": false,
"operator": "OR"
}
]
}
],
"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": "2026-04-29T01:13:23.040",
"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"
},
{
"source": "secalert@redhat.com",
"url": "http://rhn.redhat.com/errata/RHSA-2012-1148.html"
},
{
"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": [
"Patch"
],
"url": "https://github.com/torvalds/linux/commit/9e2dcf72023d1447f09c47d77c99b0c49659e5ce"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "http://ftp.osuosl.org/pub/linux/kernel/v2.6/ChangeLog-2.6.34"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=9e2dcf72023d1447f09c47d77c99b0c49659e5ce"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "http://rhn.redhat.com/errata/RHSA-2012-1064.html"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "http://rhn.redhat.com/errata/RHSA-2012-1148.html"
},
{
"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": [
"Patch"
],
"url": "https://github.com/torvalds/linux/commit/9e2dcf72023d1447f09c47d77c99b0c49659e5ce"
}
],
"sourceIdentifier": "secalert@redhat.com",
"vulnStatus": "Modified",
"weaknesses": [
{
"description": [
{
"lang": "en",
"value": "NVD-CWE-Other"
}
],
"source": "nvd@nist.gov",
"type": "Primary"
}
]
}
},
"redhat_vex": {
"aggregate_severity": "Important",
"current_release_date": "2026-06-27T13:49:40+00:00",
"cve": "CVE-2012-2744",
"id": "CVE-2012-2744",
"initial_release_date": "2012-07-10T00:00:00+00:00",
"product_status:fixed": "334",
"product_status:known_not_affected": "13",
"source": "Red Hat CSAF VEX",
"status": "final",
"title": "kernel: netfilter: null pointer dereference in nf_ct_frag6_reasm()",
"url": "https://security.access.redhat.com/data/csaf/v2/vex/2012/cve-2012-2744.json",
"version": "3"
},
"suse_vex": {
"aggregate_severity": "moderate",
"current_release_date": "2026-07-31T01:55:43Z",
"cve": "CVE-2012-2744",
"id": "CVE-2012-2744",
"initial_release_date": "2023-02-15T05:46:48Z",
"product_status:known_not_affected": "495",
"source": "SUSE CSAF VEX",
"status": "interim",
"title": "SUSE CVE CVE-2012-2744",
"url": "https://ftp.suse.com/pub/projects/security/csaf-vex/cve-2012-2744.json",
"version": "10"
}
}
}
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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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