CVE-2011-4347

CVE Details

Release Date:	2011-11-20
Impact:	Moderate	What is this?

Description

The kvm_vm_ioctl_assign_device function in virt/kvm/assigned-dev.c in the KVM subsystem in the Linux kernel before 3.1.10 does not verify permission to access PCI configuration space and BAR resources, which allows host OS users to assign PCI devices and cause a denial of service (host OS crash) via a KVM_ASSIGN_PCI_DEVICE operation.

See more information about CVE-2011-4347 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:	4.0
Vector String:	AV:L/AC:H/Au:N/C:N/I:N/A:C
Version:	2.0
Attack Vector:	Local
Attack Complexity:	High
Authentication:	None
Confidentiality Impact:	None
Integrity Impact:	None
Availability Impact:	Complete

Errata information

Platform	Errata	Release Date
Oracle Linux version 5 (kernel-uek)	ELSA-2012-2003	2012-03-07
Oracle Linux version 5 (kvm)	ELSA-2012-0149	2012-03-01
Oracle Linux version 5 (mlnx_en-2.6.32-300.11.1.el5uek)	ELSA-2012-2003	2012-03-07
Oracle Linux version 5 (ofa-2.6.32-300.11.1.el5uek)	ELSA-2012-2003	2012-03-07
Oracle Linux version 6 (kernel)	ELSA-2012-0350	2012-03-06
Oracle Linux version 6 (kernel-uek)	ELSA-2012-2003	2012-03-07
Oracle Linux version 6 (mlnx_en-2.6.32-300.11.1.el6uek)	ELSA-2012-2003	2012-03-07
Oracle Linux version 6 (ofa-2.6.32-300.11.1.el6uek)	ELSA-2012-2003	2012-03-07