Attacker Value
Unknown
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Exploitability
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User Interaction
Unknown
Privileges Required
Unknown
Attack Vector
Unknown
0

CVE-2012-2121

Disclosure Date: May 17, 2012
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Description

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.

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Technical Analysis