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CVE-2016-2271 (GCVE-0-2016-2271)

Vulnerability from cvelistv5 – Published: 2016-02-19 16:00 – Updated: 2024-08-05 23:24
VLAI
Summary
VMX in Xen 4.6.x and earlier, when using an Intel or Cyrix CPU, allows local HVM guest users to cause a denial of service (guest crash) via vectors related to a non-canonical RIP.
Severity
5.5 (Medium)
CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
CWE
  • n/a
Assigner
References
URL Tags
http://www.debian.org/security/2016/dsa-3519 vendor-advisoryx_refsource_DEBIAN
http://lists.fedoraproject.org/pipermail/package-… vendor-advisoryx_refsource_FEDORA
http://lists.fedoraproject.org/pipermail/package-… vendor-advisoryx_refsource_FEDORA
http://www.securitytracker.com/id/1035043 vdb-entryx_refsource_SECTRACK
http://xenbits.xen.org/xsa/advisory-170.html x_refsource_CONFIRM
http://support.citrix.com/article/CTX209443 x_refsource_CONFIRM
https://security.gentoo.org/glsa/201604-03 vendor-advisoryx_refsource_GENTOO
Date Public
2016-02-07 00:00
Show details on NVD website
To clipboard 

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      "aggregate_severity": "Low",
      "current_release_date": "2025-11-21T12:09:41+00:00",
      "cve": "CVE-2016-2271",
      "id": "CVE-2016-2271",
      "initial_release_date": "2016-02-17T00:00:00+00:00",
      "product_status:known_affected": "1",
      "source": "Red Hat CSAF VEX",
      "status": "final",
      "title": "xen: guest user mode may crash guest with non-canonical RIP (XSA-170)",
      "url": "https://security.access.redhat.com/data/csaf/v2/vex/2016/cve-2016-2271.json",
      "version": "3"
    },
    "suse_vex": {
      "aggregate_severity": "low",
      "current_release_date": "2026-09-01T02:19:57Z",
      "cve": "CVE-2016-2271",
      "id": "CVE-2016-2271",
      "initial_release_date": "2023-02-15T05:06:13Z",
      "product_status:known_affected": "321",
      "product_status:known_not_affected": "12",
      "product_status:recommended": "536",
      "source": "SUSE CSAF VEX",
      "status": "interim",
      "title": "SUSE CVE CVE-2016-2271",
      "url": "https://ftp.suse.com/pub/projects/security/csaf-vex/cve-2016-2271.json",
      "version": "41"
    }
  }
}



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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

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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.


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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.