CVE-2015-8338
Vulnerability from cvelistv5
Published
2015-12-17 19:00
Modified
2024-08-06 08:13
Severity ?
EPSS score ?
Summary
Xen 4.6.x and earlier does not properly enforce limits on page order inputs for the (1) XENMEM_increase_reservation, (2) XENMEM_populate_physmap, (3) XENMEM_exchange, and possibly other HYPERVISOR_memory_op suboperations, which allows ARM guest OS administrators to cause a denial of service (CPU consumption, guest reboot, or watchdog timeout and host reboot) and possibly have unspecified other impact via unknown vectors.
References
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enforce limits on page order inputs for the (1) XENMEM_increase_reservation, (2) XENMEM_populate_physmap, (3) XENMEM_exchange, and possibly other HYPERVISOR_memory_op suboperations, which allows ARM guest OS administrators to cause a denial of service (CPU consumption, guest reboot, or watchdog timeout and host reboot) and possibly have unspecified other impact via unknown vectors." } ], "problemTypes": [ { "descriptions": [ { "description": "n/a", "lang": "en", "type": "text" } ] } ], "providerMetadata": { "dateUpdated": "2016-12-05T20:57:01", "orgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca", "shortName": "mitre" }, "references": [ { "name": "78920", "tags": [ "vdb-entry", "x_refsource_BID" ], "url": "http://www.securityfocus.com/bid/78920" }, { "tags": [ "x_refsource_CONFIRM" ], "url": "http://xenbits.xen.org/xsa/advisory-158.html" }, { "name": "1034390", "tags": [ "vdb-entry", "x_refsource_SECTRACK" ], "url": "http://www.securitytracker.com/id/1034390" }, { "name": "DSA-3633", "tags": [ "vendor-advisory", "x_refsource_DEBIAN" ], "url": "http://www.debian.org/security/2016/dsa-3633" } ], "x_legacyV4Record": { "CVE_data_meta": { "ASSIGNER": "cve@mitre.org", "ID": "CVE-2015-8338", "STATE": "PUBLIC" }, "affects": { "vendor": { "vendor_data": [ { "product": { "product_data": [ { "product_name": "n/a", "version": { "version_data": [ { "version_value": "n/a" } ] } } ] }, "vendor_name": "n/a" } ] } }, "data_format": "MITRE", "data_type": "CVE", "data_version": "4.0", "description": { "description_data": [ { "lang": "eng", "value": "Xen 4.6.x and earlier does not properly enforce limits on page order inputs for the (1) XENMEM_increase_reservation, (2) XENMEM_populate_physmap, (3) XENMEM_exchange, and possibly other HYPERVISOR_memory_op suboperations, which allows ARM guest OS administrators to cause a denial of service (CPU consumption, guest reboot, or watchdog timeout and host reboot) and possibly have unspecified other impact via unknown vectors." } ] }, 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"{\"cve\":{\"id\":\"CVE-2015-8338\",\"sourceIdentifier\":\"cve@mitre.org\",\"published\":\"2015-12-17T19:59:06.557\",\"lastModified\":\"2016-12-07T18:26:58.550\",\"vulnStatus\":\"Modified\",\"descriptions\":[{\"lang\":\"en\",\"value\":\"Xen 4.6.x and earlier does not properly enforce limits on page order inputs for the (1) XENMEM_increase_reservation, (2) XENMEM_populate_physmap, (3) XENMEM_exchange, and possibly other HYPERVISOR_memory_op suboperations, which allows ARM guest OS administrators to cause a denial of service (CPU consumption, guest reboot, or watchdog timeout and host reboot) and possibly have unspecified other impact via unknown vectors.\"},{\"lang\":\"es\",\"value\":\"Xen 4.6.x y versiones anteriores no impone adecuadamente l\u00edmites en \u00f3rdenes de entrada de p\u00e1gina para las suboperaciones (1) XENMEM_increase_reservation, (2) XENMEM_populate_physmap, (3) XENMEM_exchange y posiblemente otra HYPERVISOR_memory_op, lo que permite a administradores ARM invitados del SO causar una denegaci\u00f3n de servicio (consumo de CPU, reinicio de invitado o tiempo de watchdog excedido o reinicio host) y posiblemente tener otro impacto no especificado a trav\u00e9s de vectores desconocidos.\"}],\"metrics\":{\"cvssMetricV2\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"cvssData\":{\"version\":\"2.0\",\"vectorString\":\"AV:L/AC:L/Au:N/C:C/I:C/A:C\",\"accessVector\":\"LOCAL\",\"accessComplexity\":\"LOW\",\"authentication\":\"NONE\",\"confidentialityImpact\":\"COMPLETE\",\"integrityImpact\":\"COMPLETE\",\"availabilityImpact\":\"COMPLETE\",\"baseScore\":7.2},\"baseSeverity\":\"HIGH\",\"exploitabilityScore\":3.9,\"impactScore\":10.0,\"acInsufInfo\":true,\"obtainAllPrivilege\":false,\"obtainUserPrivilege\":false,\"obtainOtherPrivilege\":false,\"userInteractionRequired\":false}]},\"weaknesses\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-254\"}]}],\"configurations\":[{\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:xen:xen:*:*:*:*:*:*:*:*\",\"versionEndIncluding\":\"4.6.0\",\"matchCriteriaId\":\"D6B6F029-A6B9-46BD-BDC5-8CA1B2B2DB5B\"}]}]}],\"references\":[{\"url\":\"http://www.debian.org/security/2016/dsa-3633\",\"source\":\"cve@mitre.org\"},{\"url\":\"http://www.securityfocus.com/bid/78920\",\"source\":\"cve@mitre.org\"},{\"url\":\"http://www.securitytracker.com/id/1034390\",\"source\":\"cve@mitre.org\"},{\"url\":\"http://xenbits.xen.org/xsa/advisory-158.html\",\"source\":\"cve@mitre.org\",\"tags\":[\"Vendor Advisory\"]}]}}" } }
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Sightings
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Nomenclature
- Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
- Confirmed: The vulnerability is confirmed from an analyst perspective.
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- 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.