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CVE-2015-7971 (GCVE-0-2015-7971)

Vulnerability from cvelistv5 – Published: 2015-10-30 15:00 – Updated: 2024-08-06 08:06
VLAI
Summary
Xen 3.2.x through 4.6.x does not limit the number of printk console messages when logging certain pmu and profiling hypercalls, which allows local guests to cause a denial of service via a sequence of crafted (1) HYPERCALL_xenoprof_op hypercalls, which are not properly handled in the do_xenoprof_op function in common/xenoprof.c, or (2) HYPERVISOR_xenpmu_op hypercalls, which are not properly handled in the do_xenpmu_op function in arch/x86/cpu/vpmu.c.
Severity
No CVSS data available.
CWE
  • n/a
Assigner
References
URL Tags
http://support.citrix.com/article/CTX202404 x_refsource_CONFIRM
http://lists.fedoraproject.org/pipermail/package-… vendor-advisoryx_refsource_FEDORA
http://lists.fedoraproject.org/pipermail/package-… vendor-advisoryx_refsource_FEDORA
http://www.securityfocus.com/bid/77363 vdb-entryx_refsource_BID
http://lists.opensuse.org/opensuse-updates/2015-1… vendor-advisoryx_refsource_SUSE
http://www.debian.org/security/2015/dsa-3414 vendor-advisoryx_refsource_DEBIAN
http://lists.fedoraproject.org/pipermail/package-… vendor-advisoryx_refsource_FEDORA
https://security.gentoo.org/glsa/201604-03 vendor-advisoryx_refsource_GENTOO
http://www.securitytracker.com/id/1034035 vdb-entryx_refsource_SECTRACK
http://xenbits.xen.org/xsa/advisory-152.html x_refsource_CONFIRM
Date Public
2015-10-29 00:00
Show details on NVD website
To clipboard 

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      "id": "CVE-2015-7971",
      "lastModified": "2024-11-21T02:37:44.850",
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      "references": "[{\"url\": \"http://lists.fedoraproject.org/pipermail/package-announce/2015-November/171082.html\", \"source\": \"cve@mitre.org\"}, {\"url\": \"http://lists.fedoraproject.org/pipermail/package-announce/2015-November/171185.html\", \"source\": \"cve@mitre.org\"}, {\"url\": \"http://lists.fedoraproject.org/pipermail/package-announce/2015-November/171249.html\", \"source\": \"cve@mitre.org\"}, {\"url\": \"http://lists.opensuse.org/opensuse-updates/2015-11/msg00063.html\", \"source\": \"cve@mitre.org\"}, {\"url\": \"http://support.citrix.com/article/CTX202404\", \"source\": \"cve@mitre.org\"}, {\"url\": \"http://www.debian.org/security/2015/dsa-3414\", \"source\": \"cve@mitre.org\"}, {\"url\": \"http://www.securityfocus.com/bid/77363\", \"source\": \"cve@mitre.org\"}, {\"url\": \"http://www.securitytracker.com/id/1034035\", \"source\": \"cve@mitre.org\"}, {\"url\": \"http://xenbits.xen.org/xsa/advisory-152.html\", \"source\": \"cve@mitre.org\", \"tags\": [\"Vendor Advisory\"]}, {\"url\": \"https://security.gentoo.org/glsa/201604-03\", \"source\": \"cve@mitre.org\"}, {\"url\": \"http://lists.fedoraproject.org/pipermail/package-announce/2015-November/171082.html\", \"source\": \"af854a3a-2127-422b-91ae-364da2661108\"}, {\"url\": \"http://lists.fedoraproject.org/pipermail/package-announce/2015-November/171185.html\", \"source\": \"af854a3a-2127-422b-91ae-364da2661108\"}, {\"url\": \"http://lists.fedoraproject.org/pipermail/package-announce/2015-November/171249.html\", \"source\": \"af854a3a-2127-422b-91ae-364da2661108\"}, {\"url\": \"http://lists.opensuse.org/opensuse-updates/2015-11/msg00063.html\", \"source\": \"af854a3a-2127-422b-91ae-364da2661108\"}, {\"url\": \"http://support.citrix.com/article/CTX202404\", \"source\": \"af854a3a-2127-422b-91ae-364da2661108\"}, {\"url\": \"http://www.debian.org/security/2015/dsa-3414\", \"source\": \"af854a3a-2127-422b-91ae-364da2661108\"}, {\"url\": \"http://www.securityfocus.com/bid/77363\", \"source\": \"af854a3a-2127-422b-91ae-364da2661108\"}, {\"url\": \"http://www.securitytracker.com/id/1034035\", \"source\": \"af854a3a-2127-422b-91ae-364da2661108\"}, {\"url\": \"http://xenbits.xen.org/xsa/advisory-152.html\", \"source\": \"af854a3a-2127-422b-91ae-364da2661108\", \"tags\": [\"Vendor Advisory\"]}, {\"url\": \"https://security.gentoo.org/glsa/201604-03\", \"source\": \"af854a3a-2127-422b-91ae-364da2661108\"}]",
      "sourceIdentifier": "cve@mitre.org",
      "vulnStatus": "Modified",
      "weaknesses": "[{\"source\": \"nvd@nist.gov\", \"type\": \"Primary\", \"description\": [{\"lang\": \"en\", \"value\": \"CWE-19\"}]}]"
    },
    "nvd": "{\"cve\":{\"id\":\"CVE-2015-7971\",\"sourceIdentifier\":\"cve@mitre.org\",\"published\":\"2015-10-30T15:59:07.950\",\"lastModified\":\"2026-05-06T22:30:45.220\",\"vulnStatus\":\"Modified\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"Xen 3.2.x through 4.6.x does not limit the number of printk console messages when logging certain pmu and profiling hypercalls, which allows local guests to cause a denial of service via a sequence of crafted (1) HYPERCALL_xenoprof_op hypercalls, which are not properly handled in the do_xenoprof_op function in common/xenoprof.c, or (2) HYPERVISOR_xenpmu_op hypercalls, which are not properly handled in the do_xenpmu_op function in arch/x86/cpu/vpmu.c.\"},{\"lang\":\"es\",\"value\":\"Xen 3.2.x hasta la versi\u00f3n 4.6.x no limita el n\u00famero de mensajes de la consola printk cuando incia sesi\u00f3n cierto pmu y hypercalls de perfilado, lo que permite a invitados locales provocar una denegaci\u00f3n de servicio a trav\u00e9s de una secuencia de hypercalls manipuladas (1) HYPERCALL_xenoprof_op, que no son manejadas adecuadamente en la funci\u00f3n do_xenoprof_op en common/xenoprof.c o (2) HYPERVISOR_xenpmu_op, que no son manejadas adecuadamente en la funci\u00f3n do_xenpmu_op en arch/x86/cpu/vpmu.c.\"}],\"metrics\":{\"cvssMetricV2\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"cvssData\":{\"version\":\"2.0\",\"vectorString\":\"AV:L/AC:L/Au:N/C:N/I:N/A:P\",\"baseScore\":2.1,\"accessVector\":\"LOCAL\",\"accessComplexity\":\"LOW\",\"authentication\":\"NONE\",\"confidentialityImpact\":\"NONE\",\"integrityImpact\":\"NONE\",\"availabilityImpact\":\"PARTIAL\"},\"baseSeverity\":\"LOW\",\"exploitabilityScore\":3.9,\"impactScore\":2.9,\"acInsufInfo\":false,\"obtainAllPrivilege\":false,\"obtainUserPrivilege\":false,\"obtainOtherPrivilege\":false,\"userInteractionRequired\":false}]},\"weaknesses\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-19\"}]}],\"configurations\":[{\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:xen:xen:3.2.0:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"B81B6EEB-D01E-432D-AEBF-707409741C0A\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:xen:xen:3.2.1:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"2A4B60DE-A8C0-459E-A99C-6EF0D3264B75\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:xen:xen:3.2.2:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"A83F4F7E-53CF-4066-857B-2154D25979D8\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:xen:xen:3.2.3:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"048E790E-B0A1-4504-9299-0B6D9CB0C509\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:xen:xen:3.3.0:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"EB157D09-B91B-486A-A9F7-C9BA75AE8823\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:xen:xen:3.3.1:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"FA95119D-EAF1-48D4-AE7C-0C4927D06CDF\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:xen:xen:3.3.2:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"5D40E4E4-3FCB-4980-8DD2-49DDABCB398E\"},{\"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\":\"c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Advisory\"]},{\"url\":\"https://security.gentoo.org/glsa/201604-03\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\"}]}}",
    "redhat_vex": {
      "aggregate_severity": "Moderate",
      "current_release_date": "2025-11-21T12:13:51+00:00",
      "cve": "CVE-2015-7971",
      "id": "CVE-2015-7971",
      "initial_release_date": "2015-10-29T00:00:00+00:00",
      "product_status:known_affected": "1",
      "source": "Red Hat CSAF VEX",
      "status": "final",
      "title": "xen: Some pmu and profiling hypercalls log without rate limiting on x86",
      "url": "https://security.access.redhat.com/data/csaf/v2/vex/2015/cve-2015-7971.json",
      "version": "3"
    },
    "suse_vex": {
      "aggregate_severity": "moderate",
      "current_release_date": "2026-09-01T02:26:16Z",
      "cve": "CVE-2015-7971",
      "id": "CVE-2015-7971",
      "initial_release_date": "2023-02-15T05:13:03Z",
      "product_status:known_affected": "321",
      "product_status:recommended": "552",
      "source": "SUSE CSAF VEX",
      "status": "interim",
      "title": "SUSE CVE CVE-2015-7971",
      "url": "https://ftp.suse.com/pub/projects/security/csaf-vex/cve-2015-7971.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.