fkie_cve-2016-3961
Vulnerability from fkie_nvd
Published
2016-04-15 14:59
Modified
2025-04-12 10:46
Severity ?
Summary
Xen and the Linux kernel through 4.5.x do not properly suppress hugetlbfs support in x86 PV guests, which allows local PV guest OS users to cause a denial of service (guest OS crash) by attempting to access a hugetlbfs mapped area.
References
Impacted products
Vendor | Product | Version | |
---|---|---|---|
canonical | ubuntu_linux | 14.04 | |
canonical | ubuntu_linux | 15.10 | |
canonical | ubuntu_linux | 16.04 | |
xen | xen | * |
{ "configurations": [ { "nodes": [ { "cpeMatch": [ { "criteria": "cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:lts:*:*:*", "matchCriteriaId": "B5A6F2F3-4894-4392-8296-3B8DD2679084", "vulnerable": true }, { "criteria": "cpe:2.3:o:canonical:ubuntu_linux:15.10:*:*:*:*:*:*:*", "matchCriteriaId": "E88A537F-F4D0-46B9-9E37-965233C2A355", "vulnerable": true }, { "criteria": "cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:lts:*:*:*", "matchCriteriaId": "F7016A2A-8365-4F1A-89A2-7A19F2BCAE5B", "vulnerable": true } ], "negate": false, "operator": "OR" } ] }, { "nodes": [ { "cpeMatch": [ { "criteria": "cpe:2.3:o:xen:xen:*:*:*:*:*:*:*:*", "matchCriteriaId": "DA1EE117-3EC6-4829-9431-F90E83C0DA58", "versionEndIncluding": "4.5.3", "vulnerable": true } ], "negate": false, "operator": "OR" } ] } ], "cveTags": [], "descriptions": [ { "lang": "en", "value": "Xen and the Linux kernel through 4.5.x do not properly suppress hugetlbfs support in x86 PV guests, which allows local PV guest OS users to cause a denial of service (guest OS crash) by attempting to access a hugetlbfs mapped area." }, { "lang": "es", "value": "Xen y el kernel de Linux hasta la versi\u00f3n 4.5.x no suprime adecuadamente el apoyo hugetlbfs en invitados x86 PV, lo que permite a usuarios PV locales invitados del SO provocar una denegaci\u00f3n de servicio (caida de SO invitado) al intentar acceder a un \u00e1rea mapeada hugetlbfs." } ], "id": "CVE-2016-3961", "lastModified": "2025-04-12T10:46:40.837", "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 } ], "cvssMetricV30": [ { "cvssData": { "attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "baseScore": 5.5, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "version": "3.0" }, "exploitabilityScore": 1.8, "impactScore": 3.6, "source": "nvd@nist.gov", "type": "Primary" } ] }, "published": "2016-04-15T14:59:14.050", "references": [ { "source": "cve@mitre.org", "url": "http://www.debian.org/security/2016/dsa-3607" }, { "source": "cve@mitre.org", "url": "http://www.securityfocus.com/bid/86068" }, { "source": "cve@mitre.org", "tags": [ "Third Party Advisory", "VDB Entry" ], "url": "http://www.securitytracker.com/id/1035569" }, { "source": "cve@mitre.org", "tags": [ "Third Party Advisory" ], "url": "http://www.ubuntu.com/usn/USN-3001-1" }, { "source": "cve@mitre.org", "tags": [ "Third Party Advisory" ], "url": "http://www.ubuntu.com/usn/USN-3002-1" }, { "source": "cve@mitre.org", "tags": [ "Third Party Advisory" ], "url": "http://www.ubuntu.com/usn/USN-3003-1" }, { "source": "cve@mitre.org", "tags": [ "Third Party Advisory" ], "url": "http://www.ubuntu.com/usn/USN-3004-1" }, { "source": "cve@mitre.org", "tags": [ "Third Party Advisory" ], "url": "http://www.ubuntu.com/usn/USN-3005-1" }, { "source": "cve@mitre.org", "tags": [ "Third Party Advisory" ], "url": "http://www.ubuntu.com/usn/USN-3006-1" }, { "source": "cve@mitre.org", "tags": [ "Third Party Advisory" ], "url": "http://www.ubuntu.com/usn/USN-3007-1" }, { "source": "cve@mitre.org", "url": "http://www.ubuntu.com/usn/USN-3049-1" }, { "source": "cve@mitre.org", "url": "http://www.ubuntu.com/usn/USN-3050-1" }, { "source": "cve@mitre.org", "tags": [ "Vendor Advisory" ], "url": "http://xenbits.xen.org/xsa/advisory-174.html" }, { "source": "cve@mitre.org", "tags": [ "Patch" ], "url": "http://xenbits.xen.org/xsa/xsa174.patch" }, { "source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://www.debian.org/security/2016/dsa-3607" }, { "source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://www.securityfocus.com/bid/86068" }, { "source": "af854a3a-2127-422b-91ae-364da2661108", "tags": [ "Third Party Advisory", "VDB Entry" ], "url": "http://www.securitytracker.com/id/1035569" }, { "source": "af854a3a-2127-422b-91ae-364da2661108", "tags": [ "Third Party Advisory" ], "url": "http://www.ubuntu.com/usn/USN-3001-1" }, { "source": "af854a3a-2127-422b-91ae-364da2661108", "tags": [ "Third Party Advisory" ], "url": "http://www.ubuntu.com/usn/USN-3002-1" }, { "source": "af854a3a-2127-422b-91ae-364da2661108", "tags": [ "Third Party Advisory" ], "url": "http://www.ubuntu.com/usn/USN-3003-1" }, { "source": "af854a3a-2127-422b-91ae-364da2661108", "tags": [ "Third Party Advisory" ], "url": "http://www.ubuntu.com/usn/USN-3004-1" }, { "source": "af854a3a-2127-422b-91ae-364da2661108", "tags": [ "Third Party Advisory" ], "url": "http://www.ubuntu.com/usn/USN-3005-1" }, { "source": "af854a3a-2127-422b-91ae-364da2661108", "tags": [ "Third Party Advisory" ], "url": "http://www.ubuntu.com/usn/USN-3006-1" }, { "source": "af854a3a-2127-422b-91ae-364da2661108", "tags": [ "Third Party Advisory" ], "url": "http://www.ubuntu.com/usn/USN-3007-1" }, { "source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://www.ubuntu.com/usn/USN-3049-1" }, { "source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://www.ubuntu.com/usn/USN-3050-1" }, { "source": "af854a3a-2127-422b-91ae-364da2661108", "tags": [ "Vendor Advisory" ], "url": "http://xenbits.xen.org/xsa/advisory-174.html" }, { "source": "af854a3a-2127-422b-91ae-364da2661108", "tags": [ "Patch" ], "url": "http://xenbits.xen.org/xsa/xsa174.patch" } ], "sourceIdentifier": "cve@mitre.org", "vulnStatus": "Deferred", "weaknesses": [ { "description": [ { "lang": "en", "value": "CWE-20" } ], "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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