CVE-2015-7970 (GCVE-0-2015-7970)

Vulnerability from cvelistv5 – Published: 2015-10-30 15:00 – Updated: 2024-08-06 08:06
VLAI
Summary
The p2m_pod_emergency_sweep function in arch/x86/mm/p2m-pod.c in Xen 3.4.x, 3.5.x, and 3.6.x is not preemptible, which allows local x86 HVM guest administrators to cause a denial of service (CPU consumption and possibly reboot) via crafted memory contents that triggers a "time-consuming linear scan," related to Populate-on-Demand.
Severity
No CVSS data available.
CWE
  • n/a
Assigner
References
URL Tags
http://www.securityfocus.com/bid/77362 vdb-entryx_refsource_BID
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://lists.opensuse.org/opensuse-updates/2015-1… vendor-advisoryx_refsource_SUSE
http://www.securitytracker.com/id/1034034 vdb-entryx_refsource_SECTRACK
http://xenbits.xen.org/xsa/advisory-150.html x_refsource_CONFIRM
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
Date Public
2015-10-29 00:00
Show details on NVD website
To clipboard 

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      "cve": "CVE-2015-7970",
      "id": "CVE-2015-7970",
      "initial_release_date": "2015-10-29T00:00:00+00:00",
      "product_status:known_not_affected": "1",
      "source": "Red Hat CSAF VEX",
      "status": "final",
      "title": "xen: Long latency populate-on-demand operation is not preemptible on x86",
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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.