CVE-2012-3516 (GCVE-0-2012-3516)

Vulnerability from cvelistv5 – Published: 2012-11-23 20:00 – Updated: 2024-08-06 20:05
VLAI
Summary
The GNTTABOP_swap_grant_ref sub-operation in the grant table hypercall in Xen 4.2 and Citrix XenServer 6.0.2 allows local guest kernels or administrators to cause a denial of service (host crash) and possibly gain privileges via a crafted grant reference that triggers a write to an arbitrary hypervisor memory location.
Severity
No CVSS data available.
CWE
  • n/a
Assigner
References
URL Tags
http://www.securityfocus.com/bid/55411 vdb-entryx_refsource_BID
http://secunia.com/advisories/50530 third-party-advisoryx_refsource_SECUNIA
http://www.openwall.com/lists/oss-security/2012/0… mailing-listx_refsource_MLIST
http://secunia.com/advisories/50472 third-party-advisoryx_refsource_SECUNIA
http://support.citrix.com/article/CTX134708 x_refsource_CONFIRM
http://wiki.xen.org/wiki/Security_Announcements#X… x_refsource_CONFIRM
http://lists.opensuse.org/opensuse-security-annou… vendor-advisoryx_refsource_SUSE
Date Public
2012-09-05 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

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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.



Related by attack behaviour

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