CVE-2017-10917 (GCVE-0-2017-10917)

Vulnerability from cvelistv5 – Published: 2017-07-05 01:00 – Updated: 2024-08-05 17:50
VLAI
Summary
Xen through 4.8.x does not validate the port numbers of polled event channel ports, which allows guest OS users to cause a denial of service (NULL pointer dereference and host OS crash) or possibly obtain sensitive information, aka XSA-221.
Severity
9.1 (Critical)
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H
CWE
  • n/a
Assigner
References
URL Tags
https://security.gentoo.org/glsa/201708-03 vendor-advisoryx_refsource_GENTOO
http://www.debian.org/security/2017/dsa-3969 vendor-advisoryx_refsource_DEBIAN
https://xenbits.xen.org/xsa/advisory-221.html x_refsource_CONFIRM
http://www.securityfocus.com/bid/99157 vdb-entryx_refsource_BID
http://www.securitytracker.com/id/1038731 vdb-entryx_refsource_SECTRACK
Date Public
2017-07-04 00:00
Show details on NVD website
To clipboard 

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}



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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.