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CVE-2016-3961 (GCVE-0-2016-3961)

Vulnerability from cvelistv5 – Published: 2016-04-15 14:00 – Updated: 2024-08-06 00:10
VLAI
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.
CWE
  • n/a
References
URL Tags
http://xenbits.xen.org/xsa/xsa174.patch x_refsource_CONFIRM
http://www.ubuntu.com/usn/USN-3006-1 vendor-advisoryx_refsource_UBUNTU
http://www.ubuntu.com/usn/USN-3004-1 vendor-advisoryx_refsource_UBUNTU
http://www.ubuntu.com/usn/USN-3001-1 vendor-advisoryx_refsource_UBUNTU
http://xenbits.xen.org/xsa/advisory-174.html x_refsource_CONFIRM
http://www.ubuntu.com/usn/USN-3005-1 vendor-advisoryx_refsource_UBUNTU
http://www.securitytracker.com/id/1035569 vdb-entryx_refsource_SECTRACK
http://www.ubuntu.com/usn/USN-3049-1 vendor-advisoryx_refsource_UBUNTU
http://www.debian.org/security/2016/dsa-3607 vendor-advisoryx_refsource_DEBIAN
http://www.ubuntu.com/usn/USN-3002-1 vendor-advisoryx_refsource_UBUNTU
http://www.ubuntu.com/usn/USN-3050-1 vendor-advisoryx_refsource_UBUNTU
http://www.ubuntu.com/usn/USN-3007-1 vendor-advisoryx_refsource_UBUNTU
http://www.ubuntu.com/usn/USN-3003-1 vendor-advisoryx_refsource_UBUNTU
http://www.securityfocus.com/bid/86068 vdb-entryx_refsource_BID
Date Public
2016-04-14 00:00
Show details on NVD website

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    "redhat_vex": {
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      "current_release_date": "2025-11-21T12:07:28+00:00",
      "cve": "CVE-2016-3961",
      "id": "CVE-2016-3961",
      "initial_release_date": "2016-04-14T00:00:00+00:00",
      "product_status:known_affected": "1",
      "source": "Red Hat CSAF VEX",
      "status": "final",
      "title": "xen: hugetlbfs use may crash PV Linux guests (XSA-174)",
      "url": "https://security.access.redhat.com/data/csaf/v2/vex/2016/cve-2016-3961.json",
      "version": "3"
    }
  }
}



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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.

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Detection rules are retrieved from Rulezet.

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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.


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