FKIE_CVE-2012-2119
Vulnerability from fkie_nvd - Published: 2013-01-22 23:55 - Updated: 2026-06-16 23:41
Severity
Summary
Buffer overflow in the macvtap device driver in the Linux kernel before 3.4.5, when running in certain configurations, allows privileged KVM guest users to cause a denial of service (crash) via a long descriptor with a long vector length.
References
Impacted products
| Vendor | Product | Version | |
|---|---|---|---|
| linux | linux_kernel | * | |
| linux | linux_kernel | 3.4 | |
| linux | linux_kernel | 3.4.1 | |
| linux | linux_kernel | 3.4.2 | |
| linux | linux_kernel | 3.4.3 |
{
"affected": [
{
"affectedData": [
{
"product": "n/a",
"vendor": "n/a",
"versions": [
{
"status": "affected",
"version": "n/a"
}
]
}
],
"source": "secalert@redhat.com"
}
],
"configurations": [
{
"nodes": [
{
"cpeMatch": [
{
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"matchCriteriaId": "DEB7BA7C-580F-4A05-8A66-2FC332E9FE4C",
"versionEndIncluding": "3.4.4",
"vulnerable": true
},
{
"criteria": "cpe:2.3:o:linux:linux_kernel:3.4:*:*:*:*:*:*:*",
"matchCriteriaId": "0F960FA6-F904-4A4E-B483-44C70090E9A1",
"vulnerable": true
},
{
"criteria": "cpe:2.3:o:linux:linux_kernel:3.4.1:*:*:*:*:*:*:*",
"matchCriteriaId": "A0F36FAC-141D-476D-84C5-A558C199F904",
"vulnerable": true
},
{
"criteria": "cpe:2.3:o:linux:linux_kernel:3.4.2:*:*:*:*:*:*:*",
"matchCriteriaId": "51D64824-25F6-4761-BD6A-29038A143744",
"vulnerable": true
},
{
"criteria": "cpe:2.3:o:linux:linux_kernel:3.4.3:*:*:*:*:*:*:*",
"matchCriteriaId": "E284C8A1-740F-454D-A774-99CD3A21B594",
"vulnerable": true
}
],
"negate": false,
"operator": "OR"
}
]
}
],
"cveTags": [],
"descriptions": [
{
"lang": "en",
"value": "Buffer overflow in the macvtap device driver in the Linux kernel before 3.4.5, when running in certain configurations, allows privileged KVM guest users to cause a denial of service (crash) via a long descriptor with a long vector length."
},
{
"lang": "es",
"value": "Desbordamiento de b\u00fafer en el controlador de dispositivo macvtap en el kernel de Linux anteriores a v3.4.5, cuando se ejecuta en ciertas configuraciones, permite a los usuarios invitados KVM privilegiados causar una denegaci\u00f3n de servicio (ca\u00edda) a trav\u00e9s de un descriptor largo con una longitud de vector de larga."
}
],
"id": "CVE-2012-2119",
"lastModified": "2026-06-16T23:41:01.777",
"metrics": {
"cvssMetricV2": [
{
"acInsufInfo": false,
"baseSeverity": "MEDIUM",
"cvssData": {
"accessComplexity": "MEDIUM",
"accessVector": "ADJACENT_NETWORK",
"authentication": "SINGLE",
"availabilityImpact": "COMPLETE",
"baseScore": 5.2,
"confidentialityImpact": "NONE",
"integrityImpact": "NONE",
"vectorString": "AV:A/AC:M/Au:S/C:N/I:N/A:C",
"version": "2.0"
},
"exploitabilityScore": 4.4,
"impactScore": 6.9,
"obtainAllPrivilege": false,
"obtainOtherPrivilege": false,
"obtainUserPrivilege": false,
"source": "nvd@nist.gov",
"type": "Primary",
"userInteractionRequired": false
}
]
},
"published": "2013-01-22T23:55:01.057",
"references": [
{
"source": "secalert@redhat.com",
"url": "http://bugzilla.redhat.com/bugzilla/show_bug.cgi?id=814278"
},
{
"source": "secalert@redhat.com",
"url": "http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=b92946e2919134ebe2a4083e4302236295ea2a73"
},
{
"source": "secalert@redhat.com",
"url": "http://lists.opensuse.org/opensuse-security-announce/2013-06/msg00005.html"
},
{
"source": "secalert@redhat.com",
"url": "http://marc.info/?l=linux-netdev\u0026m=133455718001608\u0026w=2"
},
{
"source": "secalert@redhat.com",
"url": "http://rhn.redhat.com/errata/RHSA-2012-0743.html"
},
{
"source": "secalert@redhat.com",
"url": "http://ubuntu.com/usn/usn-1529-1"
},
{
"source": "secalert@redhat.com",
"url": "http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.4.5"
},
{
"source": "secalert@redhat.com",
"url": "http://www.openwall.com/lists/oss-security/2012/04/19/14"
},
{
"source": "secalert@redhat.com",
"url": "https://github.com/torvalds/linux/commit/b92946e2919134ebe2a4083e4302236295ea2a73"
},
{
"source": "secalert@redhat.com",
"url": "https://oss.oracle.com/git/?p=redpatch.git%3Ba=commit%3Bh=4aae94d1c7b32316911c86176c0ed4f8ed62da73"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "http://bugzilla.redhat.com/bugzilla/show_bug.cgi?id=814278"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=b92946e2919134ebe2a4083e4302236295ea2a73"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "http://lists.opensuse.org/opensuse-security-announce/2013-06/msg00005.html"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "http://marc.info/?l=linux-netdev\u0026m=133455718001608\u0026w=2"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "http://rhn.redhat.com/errata/RHSA-2012-0743.html"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "http://ubuntu.com/usn/usn-1529-1"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.4.5"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "http://www.openwall.com/lists/oss-security/2012/04/19/14"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "https://github.com/torvalds/linux/commit/b92946e2919134ebe2a4083e4302236295ea2a73"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "https://oss.oracle.com/git/?p=redpatch.git%3Ba=commit%3Bh=4aae94d1c7b32316911c86176c0ed4f8ed62da73"
}
],
"sourceIdentifier": "secalert@redhat.com",
"vulnStatus": "Modified",
"weaknesses": [
{
"description": [
{
"lang": "en",
"value": "CWE-119"
}
],
"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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