CVE-2015-7835
Vulnerability from cvelistv5
Published
2015-10-30 15:00
Modified
2024-08-06 07:58
Severity ?
EPSS score ?
Summary
The mod_l2_entry function in arch/x86/mm.c in Xen 3.4 through 4.6.x does not properly validate level 2 page table entries, which allows local PV guest administrators to gain privileges via a crafted superpage mapping.
References
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"x_refsource_GENTOO", "x_transferred" ], "url": "https://security.gentoo.org/glsa/201604-03" } ], "title": "CVE Program Container" } ], "cna": { "affected": [ { "product": "n/a", "vendor": "n/a", "versions": [ { "status": "affected", "version": "n/a" } ] } ], "datePublic": "2015-10-29T00:00:00", "descriptions": [ { "lang": "en", "value": "The mod_l2_entry function in arch/x86/mm.c in Xen 3.4 through 4.6.x does not properly validate level 2 page table entries, which allows local PV guest administrators to gain privileges via a crafted superpage mapping." } ], "problemTypes": [ { "descriptions": [ { "description": "n/a", "lang": "en", "type": "text" } ] } ], "providerMetadata": { "dateUpdated": "2017-06-30T16:57:01", "orgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca", "shortName": "mitre" }, "references": [ { "tags": [ "x_refsource_CONFIRM" ], "url": "http://support.citrix.com/article/CTX202404" }, { "name": "77366", "tags": [ "vdb-entry", "x_refsource_BID" ], "url": 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"http://www.securitytracker.com/id/1034032" }, { "name": "openSUSE-SU-2015:1965", "tags": [ "vendor-advisory", "x_refsource_SUSE" ], "url": "http://lists.opensuse.org/opensuse-updates/2015-11/msg00063.html" }, { "name": "FEDORA-2015-6f6b79efe2", "tags": [ "vendor-advisory", "x_refsource_FEDORA" ], "url": "http://lists.fedoraproject.org/pipermail/package-announce/2015-November/171185.html" }, { "name": "GLSA-201604-03", "tags": [ "vendor-advisory", "x_refsource_GENTOO" ], "url": "https://security.gentoo.org/glsa/201604-03" } ], "x_legacyV4Record": { "CVE_data_meta": { "ASSIGNER": "cve@mitre.org", "ID": "CVE-2015-7835", "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": "The mod_l2_entry function in arch/x86/mm.c in Xen 3.4 through 4.6.x does not properly validate level 2 page table entries, which allows local PV guest administrators to gain privileges via a crafted superpage mapping." } ] }, "problemtype": { "problemtype_data": [ { "description": [ { "lang": "eng", "value": "n/a" } ] } ] }, "references": { "reference_data": [ { "name": "http://support.citrix.com/article/CTX202404", "refsource": "CONFIRM", "url": "http://support.citrix.com/article/CTX202404" }, { "name": "77366", "refsource": "BID", "url": "http://www.securityfocus.com/bid/77366" }, { "name": "FEDORA-2015-242be2c240", "refsource": "FEDORA", "url": "http://lists.fedoraproject.org/pipermail/package-announce/2015-November/171249.html" }, { "name": "FEDORA-2015-a931b02be2", "refsource": "FEDORA", "url": "http://lists.fedoraproject.org/pipermail/package-announce/2015-November/171082.html" }, { "name": "http://xenbits.xen.org/xsa/advisory-148.html", "refsource": "CONFIRM", "url": 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administradores invitados PV locales obtener privilegios a trav\u00e9s de un mapeo de superpage manipulado.\"}],\"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\":false,\"obtainAllPrivilege\":false,\"obtainUserPrivilege\":false,\"obtainOtherPrivilege\":false,\"userInteractionRequired\":false}]},\"weaknesses\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-20\"},{\"lang\":\"en\",\"value\":\"CWE-264\"}]}],\"configurations\":[{\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:xen:xen:3.4.0:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"7F7D1B7E-C30F-430F-832D-2A405DA1F2D9\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:xen:xen:3.4.1:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"B7C1D0AD-B804-474C-96A3-988BADA0DAD2\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:xen:xen:3.4.2:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"1DCD1F05-9F96-40DD-B506-750E87306325\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:xen:xen:3.4.3:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"25B6AE42-E1EB-47A8-8FAF-7A93A67EC67F\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:xen:xen:3.4.4:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"60BADA43-94D5-4E80-B5C8-D01A0249F13E\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:xen:xen:4.0.0:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"550223A9-B9F1-440A-8C25-9F0F76AF7301\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:xen:xen:4.0.1:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"FC734D58-96E5-4DD2-8781-F8E0ADB96462\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:xen:xen:4.0.2:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"62CEC1BF-1922-410D-BCBA-C58199F574C7\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:xen:xen:4.0.3:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"923F2C2B-4A65-4823-B511-D0FEB7C7FAB2\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:xen:xen:4.0.4:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"C1A24DED-B2EC-4D9C-9FA4-DD37EF3E3BFC\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:xen:xen:4.1.0:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"0D532B60-C8DD-4A2F-9D05-E574D23EB754\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:xen:xen:4.1.1:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"5D83CA8B-8E49-45FA-8FAB-C15052474542\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:xen:xen:4.1.2:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"27537DF5-7E0F-463F-BA87-46E329EE07AC\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:xen:xen:4.1.3:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"3EA4F978-9145-4FE6-B4F9-15207E52C40A\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:xen:xen:4.1.4:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"22A995FD-9B7F-4DF0-BECF-4B086E470F1E\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:xen:xen:4.1.5:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"219597E2-E2D7-4647-8A7C-688B96300158\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:xen:xen:4.1.6.1:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"65E55950-EACA-4209-B2A1-E09026FC6006\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:xen:xen:4.2.0:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"8F0AF8EF-6FF6-4E22-B16E-82C9F90C6B00\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:xen:xen:4.2.1:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"47640819-FC43-49ED-8A77-728C3D7255B3\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:xen:xen:4.2.2:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"2448537F-87AD-45C1-9FB0-7A49CA31BD76\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:xen:xen:4.2.3:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"E36B2265-70E1-413B-A7CF-79D39E9ADCFB\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:xen:xen:4.3.0:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"BF948E6A-07BE-4C7D-8A98-002E89D35F4D\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:xen:xen:4.3.1:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"C0E23B94-1726-4F63-84BB-8D83FAB156D7\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:xen:xen:4.3.2:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"C76124AB-4E3D-4BE0-AAEA-7FC05868E2FB\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:xen:xen:4.3.4:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"F784EF07-DBEC-492A-A0F4-F9F7B2551A0B\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:xen:xen:4.4.0:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"1044792C-D544-457C-9391-4F3B5BAB978D\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:xen:xen:4.4.1:-:*:*:*:*:*:*\",\"matchCriteriaId\":\"A40F356B-4F5F-485D-A53A-8CE4629D6931\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:xen:xen:4.5.0:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"90CCECD0-C0F9-45A8-8699-64428637EBCA\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:xen:xen:4.5.1:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"F0ED340C-6746-471E-9F2D-19D62D224B7A\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:xen:xen:4.6.0:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"4B6F7CE9-C409-4D88-9A99-B21420633F4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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.