fkie_cve-2011-4110
Vulnerability from fkie_nvd
Published
2012-01-27 15:55
Modified
2025-04-11 00:51
Severity ?
Summary
The user_update function in security/keys/user_defined.c in the Linux kernel 2.6 allows local users to cause a denial of service (NULL pointer dereference and kernel oops) via vectors related to a user-defined key and "updating a negative key into a fully instantiated key."
References
Impacted products
| Vendor | Product | Version | |
|---|---|---|---|
| linux | linux_kernel | 2.6 |
{
"configurations": [
{
"nodes": [
{
"cpeMatch": [
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"criteria": "cpe:2.3:o:linux:linux_kernel:2.6:*:*:*:*:*:*:*",
"matchCriteriaId": "0FC560CC-F785-42D5-A25B-1BA02E7AC464",
"vulnerable": true
}
],
"negate": false,
"operator": "OR"
}
]
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],
"cveTags": [],
"descriptions": [
{
"lang": "en",
"value": "The user_update function in security/keys/user_defined.c in the Linux kernel 2.6 allows local users to cause a denial of service (NULL pointer dereference and kernel oops) via vectors related to a user-defined key and \"updating a negative key into a fully instantiated key.\""
},
{
"lang": "es",
"value": "La funci\u00f3n user_update security/keys/user_defined.c en el kernel de Linux v2.6 permite a usuarios locales provocar una denegaci\u00f3n de servicio (desreferencia de puntero a NULL y fallo del kernel) a trav\u00e9s de vectores relacionados con una clave definida por el usuario y la \"actualizaci\u00f3n de una clave negativa en una clave completamente instanciada\"."
}
],
"id": "CVE-2011-4110",
"lastModified": "2025-04-11T00:51:21.963",
"metrics": {
"cvssMetricV2": [
{
"acInsufInfo": false,
"baseSeverity": "LOW",
"cvssData": {
"accessComplexity": "LOW",
"accessVector": "LOCAL",
"authentication": "NONE",
"availabilityImpact": "PARTIAL",
"baseScore": 2.1,
"confidentialityImpact": "NONE",
"integrityImpact": "NONE",
"vectorString": "AV:L/AC:L/Au:N/C:N/I:N/A:P",
"version": "2.0"
},
"exploitabilityScore": 3.9,
"impactScore": 2.9,
"obtainAllPrivilege": false,
"obtainOtherPrivilege": false,
"obtainUserPrivilege": false,
"source": "nvd@nist.gov",
"type": "Primary",
"userInteractionRequired": false
}
]
},
"published": "2012-01-27T15:55:04.360",
"references": [
{
"source": "secalert@redhat.com",
"url": "http://marc.info/?l=bugtraq\u0026m=139447903326211\u0026w=2"
},
{
"source": "secalert@redhat.com",
"url": "http://secunia.com/advisories/47754"
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"url": "http://www.openwall.com/lists/oss-security/2011/11/21/19"
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{
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"url": "http://www.securityfocus.com/bid/50755"
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{
"source": "secalert@redhat.com",
"url": "http://www.ubuntu.com/usn/USN-1324-1"
},
{
"source": "secalert@redhat.com",
"url": "http://www.ubuntu.com/usn/USN-1328-1"
},
{
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"url": "http://www.ubuntu.com/usn/USN-1344-1"
},
{
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"tags": [
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"url": "https://bugzilla.redhat.com/show_bug.cgi?id=751297"
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"url": "https://lkml.org/lkml/2011/11/15/363"
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"url": "http://www.openwall.com/lists/oss-security/2011/11/22/6"
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{
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"url": "http://www.securityfocus.com/bid/50755"
},
{
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"url": "http://www.ubuntu.com/usn/USN-1324-1"
},
{
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"url": "http://www.ubuntu.com/usn/USN-1328-1"
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"url": "http://www.ubuntu.com/usn/USN-1344-1"
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"tags": [
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"tags": [
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"url": "https://lkml.org/lkml/2011/11/15/363"
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],
"sourceIdentifier": "secalert@redhat.com",
"vulnStatus": "Deferred",
"weaknesses": [
{
"description": [
{
"lang": "en",
"value": "CWE-264"
}
],
"source": "nvd@nist.gov",
"type": "Primary"
}
]
}
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Sightings
| Author | Source | Type | Date |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
- Confirmed: The vulnerability is confirmed from an analyst perspective.
- Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
- Patched: This vulnerability was successfully patched by the user reporting the sighting.
- Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
- Not confirmed: The user expresses doubt about the veracity of the vulnerability.
- Not patched: This vulnerability was not successfully patched by the user reporting the sighting.
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