Xen DMA Requests IOMMU Denial of Service Vulnerability

BID:49146

Info

Xen DMA Requests IOMMU Denial of Service Vulnerability

Bugtraq ID: 49146
Class: Design Error
CVE: CVE-2011-3131
Remote: No
Local: Yes
Published: Aug 15 2011 12:00AM
Updated: Apr 13 2015 09:56PM
Credit: The vendor reported this issue.
Vulnerable: XenSource Xen 4.1.1
XenSource Xen 3.3.1
XenSource Xen 3.3
XenSource Xen 3.2
XenSource Xen 3.1.2
XenSource Xen 3.1.1
XenSource Xen 3.0.3
XenSource Xen 4.0
XenSource Xen 3.0
Redhat Enterprise Linux Desktop 5 client
Redhat Enterprise Linux 5 Server
Oracle Enterprise Linux 5
OpenVZ Project OpenVZ 2.6.32-feoktistov.1
OpenVZ Project OpenVZ 2.6.32
OpenVZ Project OpenVZ 042stab039.10
OpenVZ Project OpenVZ 042stab037.1
OpenVZ Project OpenVZ 028stab092.2
OpenVZ Project OpenVZ 028stab091.1
OpenVZ Project OpenVZ 028stab089.1
OpenVZ Project OpenVZ 028stab085.2
OpenVZ Project OpenVZ 028stab081.1
OpenVZ Project OpenVZ 023stab054.1
OpenVZ Project OpenVZ 023stab053.2
Debian Linux 6.0 sparc
Debian Linux 6.0 s/390
Debian Linux 6.0 powerpc
Debian Linux 6.0 mips
Debian Linux 6.0 ia-64
Debian Linux 6.0 ia-32
Debian Linux 6.0 arm
Debian Linux 6.0 amd64
Avaya Aura System Platform 6.0.2
Avaya Aura System Platform 6.0.1
Avaya Aura System Platform 6.0 SP3
Avaya Aura System Platform 6.0 SP2
Avaya Aura System Platform 6.0
Avaya Aura System Platform 1.0
Not Vulnerable: OpenVZ Project OpenVZ 028stab095.1

Discussion

Xen DMA Requests IOMMU Denial of Service Vulnerability

Xen is prone to a denial-of-service vulnerability.

Attackers can exploit this issue to cause the host operating system to consume excessive amounts of resources, denying service to legitimate users.

Exploit / POC

Xen DMA Requests IOMMU Denial of Service Vulnerability

Currently, we are not aware of any working exploits. If you feel we are in error or if you are aware of more recent information, please mail us at: [email protected].

Solution / Fix

Xen DMA Requests IOMMU Denial of Service Vulnerability

Solution:
Updates are available. Please see the references for more information.

References

Xen DMA Requests IOMMU Denial of Service Vulnerability

References:

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