CVE-2012-2121

CVE Details

Release Date:	2012-03-29
Impact:	None	What is this?

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 (host OS crash) by leveraging administrative access to the guest OS to conduct hotunplug and hotplug operations on devices.

See more information about CVE-2012-2121 from MITRE CVE dictionary and NIST NVD

NOTE: The following CVSS metrics and score provided are preliminary and subject to review.

CVSS v2 metrics

Base Score:	5.2
Vector String:	AV:A/AC:M/Au:S/C:N/I:N/A:C
Version:	2.0
Attack Vector:	Adjacent Network
Attack Complexity:	Medium
Authentication:	Single
Confidentiality Impact:	None
Integrity Impact:	None
Availability Impact:	Complete

Errata information

Platform	Errata	Release Date
Oracle Linux version 5 (kvm)	ELSA-2012-0676	2012-05-21
Oracle Linux version 6 (kernel)	ELSA-2012-0743	2012-06-18