CVE-2012-2121 (GCVE-0-2012-2121)

Vulnerability from cvelistv5 – Published: 2012-05-17 10:00 – Updated: 2024-08-06 19:26
VLAI?
Summary
The KVM implementation in the Linux kernel before 3.3.4 does not properly manage the relationships between memory slots and the iommu, which allows guest OS users to cause a denial of service (memory leak and host OS crash) by leveraging administrative access to the guest OS to conduct hotunplug and hotplug operations on devices.
Severity ?
No CVSS data available.
CWE
  • n/a
Assigner
References
URL Tags
http://secunia.com/advisories/50732 third-party-advisoryx_refsource_SECUNIA
http://rhn.redhat.com/errata/RHSA-2012-0743.html vendor-advisoryx_refsource_REDHAT
http://www.securitytracker.com/id?1027083 vdb-entryx_refsource_SECTRACK
http://www.openwall.com/lists/oss-security/2012/0… mailing-listx_refsource_MLIST
https://bugzilla.redhat.com/show_bug.cgi?id=814149 x_refsource_CONFIRM
https://github.com/torvalds/linux/commit/09ca8e11… x_refsource_CONFIRM
http://www.ubuntu.com/usn/USN-1577-1 vendor-advisoryx_refsource_UBUNTU
http://www.kernel.org/pub/linux/kernel/v3.x/Chang… x_refsource_CONFIRM
http://www.ubuntu.com/usn/USN-2036-1 vendor-advisoryx_refsource_UBUNTU
http://www.ubuntu.com/usn/USN-2037-1 vendor-advisoryx_refsource_UBUNTU
http://rhn.redhat.com/errata/RHSA-2012-0676.html vendor-advisoryx_refsource_REDHAT
Date Public ?
2012-04-19 00:00
Show details on NVD website
To clipboard 

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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.