fkie_cve-2014-7843
Vulnerability from fkie_nvd
Published
2014-11-30 01:59
Modified
2025-04-12 10:46
Severity ?
Summary
The __clear_user function in arch/arm64/lib/clear_user.S in the Linux kernel before 3.17.4 on the ARM64 platform allows local users to cause a denial of service (system crash) by reading one byte beyond a /dev/zero page boundary.
References
Impacted products
| Vendor | Product | Version | |
|---|---|---|---|
| linux | linux_kernel | * |
{
"configurations": [
{
"nodes": [
{
"cpeMatch": [
{
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:arm64:*",
"matchCriteriaId": "AC6F3D3E-8FB9-41AD-901D-BC81B689ECDF",
"versionEndIncluding": "3.17.3",
"vulnerable": true
}
],
"negate": false,
"operator": "OR"
}
]
}
],
"cveTags": [],
"descriptions": [
{
"lang": "en",
"value": "The __clear_user function in arch/arm64/lib/clear_user.S in the Linux kernel before 3.17.4 on the ARM64 platform allows local users to cause a denial of service (system crash) by reading one byte beyond a /dev/zero page boundary."
},
{
"lang": "es",
"value": "La funci\u00f3n __clear_user en arch/arm64/lib/clear_user.S en el kernel de Linux anterior a 3.17.4 en la plataforma ARM64 permite a usuarios locales causar una denegaci\u00f3n de servicio (ca\u00edda del sistema) mediante la lectura de un byte m\u00e1s all\u00e1 del l\u00edmite de p\u00e1gina /dev/zero."
}
],
"id": "CVE-2014-7843",
"lastModified": "2025-04-12T10:46:40.837",
"metrics": {
"cvssMetricV2": [
{
"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"
},
"exploitabilityScore": 3.9,
"impactScore": 6.9,
"obtainAllPrivilege": false,
"obtainOtherPrivilege": false,
"obtainUserPrivilege": false,
"source": "nvd@nist.gov",
"type": "Primary",
"userInteractionRequired": false
}
]
},
"published": "2014-11-30T01:59:05.570",
"references": [
{
"source": "secalert@redhat.com",
"url": "http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=97fc15436b36ee3956efad83e22a557991f7d19d"
},
{
"source": "secalert@redhat.com",
"url": "http://secunia.com/advisories/62305"
},
{
"source": "secalert@redhat.com",
"tags": [
"Vendor Advisory"
],
"url": "http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.17.4"
},
{
"source": "secalert@redhat.com",
"url": "http://www.openwall.com/lists/oss-security/2014/11/13/5"
},
{
"source": "secalert@redhat.com",
"url": "http://www.securityfocus.com/bid/71082"
},
{
"source": "secalert@redhat.com",
"tags": [
"Patch",
"Vendor Advisory"
],
"url": "https://bugzilla.redhat.com/show_bug.cgi?id=1163744"
},
{
"source": "secalert@redhat.com",
"tags": [
"Patch",
"Vendor Advisory"
],
"url": "https://github.com/torvalds/linux/commit/97fc15436b36ee3956efad83e22a557991f7d19d"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=97fc15436b36ee3956efad83e22a557991f7d19d"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "http://secunia.com/advisories/62305"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"tags": [
"Vendor Advisory"
],
"url": "http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.17.4"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "http://www.openwall.com/lists/oss-security/2014/11/13/5"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "http://www.securityfocus.com/bid/71082"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"tags": [
"Patch",
"Vendor Advisory"
],
"url": "https://bugzilla.redhat.com/show_bug.cgi?id=1163744"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"tags": [
"Patch",
"Vendor Advisory"
],
"url": "https://github.com/torvalds/linux/commit/97fc15436b36ee3956efad83e22a557991f7d19d"
}
],
"sourceIdentifier": "secalert@redhat.com",
"vulnStatus": "Deferred",
"weaknesses": [
{
"description": [
{
"lang": "en",
"value": "CWE-17"
}
],
"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.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- 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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