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CVE-2016-6258 (GCVE-0-2016-6258)

Vulnerability from cvelistv5 – Published: 2016-08-02 16:00 – Updated: 2024-08-06 01:22
VLAI
Summary
The PV pagetable code in arch/x86/mm.c in Xen 4.7.x and earlier allows local 32-bit PV guest OS administrators to gain host OS privileges by leveraging fast-paths for updating pagetable entries.
Severity
8.8 (High)
CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
CWE
  • n/a
Assigner
References
Date Public
2016-07-26 00:00
Show details on NVD website
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    "nvd": "{\"cve\":{\"id\":\"CVE-2016-6258\",\"sourceIdentifier\":\"cve@mitre.org\",\"published\":\"2016-08-02T16:59:08.133\",\"lastModified\":\"2026-05-06T22:30:45.220\",\"vulnStatus\":\"Modified\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"The PV pagetable code in arch/x86/mm.c in Xen 4.7.x and earlier allows local 32-bit PV guest OS administrators to gain host OS privileges by leveraging fast-paths for updating pagetable entries.\"},{\"lang\":\"es\",\"value\":\"El c\u00f3digo de tabla de p\u00e1gina PV en arch/x86/mm.c en Xen 4.7.x y versiones anteriores permite a administradores 32-bit PV locales del SO invitado obtener privilegios de administrador del SO mediante el aprovechamiento de fast_paths para la actualizaci\u00f3n de las entradas de la tabla de p\u00e1gina.\"}],\"metrics\":{\"cvssMetricV30\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"cvssData\":{\"version\":\"3.0\",\"vectorString\":\"CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H\",\"baseScore\":8.8,\"baseSeverity\":\"HIGH\",\"attackVector\":\"LOCAL\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"LOW\",\"userInteraction\":\"NONE\",\"scope\":\"CHANGED\",\"confidentialityImpact\":\"HIGH\",\"integrityImpact\":\"HIGH\",\"availabilityImpact\":\"HIGH\"},\"exploitabilityScore\":2.0,\"impactScore\":6.0}],\"cvssMetricV2\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"cvssData\":{\"version\":\"2.0\",\"vectorString\":\"AV:L/AC:L/Au:N/C:C/I:C/A:C\",\"baseScore\":7.2,\"accessVector\":\"LOCAL\",\"accessComplexity\":\"LOW\",\"authentication\":\"NONE\",\"confidentialityImpact\":\"COMPLETE\",\"integrityImpact\":\"COMPLETE\",\"availabilityImpact\":\"COMPLETE\"},\"baseSeverity\":\"HIGH\",\"exploitabilityScore\":3.9,\"impactScore\":10.0,\"acInsufInfo\":false,\"obtainAllPrivilege\":false,\"obtainUserPrivilege\":false,\"obtainOtherPrivilege\":true,\"userInteractionRequired\":false}]},\"weaknesses\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-284\"}]}],\"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:3.4.2:*:*:*:*:*:*:*\",\"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:4.0.3:*:*:*:*:*:*:*\",\"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:4.2.0:*:*:*:*:*:*:*\",\"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:4.4.0:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"1044792C-D544-457C-9391-4F3B5BAB978D\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:xen:xen:4.4.1:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"FBD9AD01-50B7-4951-8A73-A6CF4801A487\"},{\"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:4.6.0:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"4B6F7CE9-C409-4D88-9A99-B21420633F45\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:xen:xen:4.6.1:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"B814C381-4991-495A-B530-7543F977B346\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:xen:xen:4.6.3:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"14442705-D243-4250-A486-E70989946D73\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:xen:xen:4.7.0:*:*:*:*:*:*:*\",\"matchCriteri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    "redhat_vex": {
      "aggregate_severity": "Important",
      "current_release_date": "2025-11-21T12:00:50+00:00",
      "cve": "CVE-2016-6258",
      "id": "CVE-2016-6258",
      "initial_release_date": "2016-07-26T00:00:00+00:00",
      "product_status:known_affected": "1",
      "source": "Red Hat CSAF VEX",
      "status": "final",
      "title": "xen: x86: Privilege escalation in PV guests (XSA-182)",
      "url": "https://security.access.redhat.com/data/csaf/v2/vex/2016/cve-2016-6258.json",
      "version": "3"
    },
    "suse_vex": {
      "aggregate_severity": "moderate",
      "current_release_date": "2026-07-26T00:57:19Z",
      "cve": "CVE-2016-6258",
      "id": "CVE-2016-6258",
      "initial_release_date": "2023-02-15T04:59:43Z",
      "product_status:known_affected": "320",
      "product_status:known_not_affected": "18",
      "product_status:recommended": "549",
      "source": "SUSE CSAF VEX",
      "status": "interim",
      "title": "SUSE CVE CVE-2016-6258",
      "url": "https://ftp.suse.com/pub/projects/security/csaf-vex/cve-2016-6258.json",
      "version": "31"
    }
  }
}



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Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

Sightings

Author Source Type Date Other

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.


Detection rules are retrieved from Rulezet.


Related by attack behaviour

Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.