CVE-2012-2121

CVE Details

Release Date:

2012-03-29

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

CVSS v2.0 metrics

NOTE: The following CVSS v2.0 metrics and score provided are preliminary and subject to review.

Base Score:	5.2	Base Metrics:	AV:A/AC:M/Au:S/C:N/I:N/A:C
Access Vector:	Adjacent network	Attack Complexity:	Medium
Authentication:	Requires single instance	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

This page is generated automatically and has not been checked for errors or omissions. For clarification or corrections please contact the Oracle Linux ULN team