VULNERABILITY INTELLIGENCE
CVE-2012-2121
CVSS score4.9 MEDIUM
EPSS probability0.41%
CISA KEVNot currently listed
Published2012-05-17
Last modified2026-06-16
CVSS vectorAV:L/AC:L/Au:N/C:N/I:N/A:C
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.