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.
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].
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.
Solution:
Updates are available. Please see the references for more information.
References
Xen DMA Requests IOMMU Denial of Service Vulnerability
References:
References:
- [Xen-devel] IOMMU faults (Allan Kay)
- Download/kernel/rhel5/028stab095.1 (OpenVZ)
- staging/xen-4.1-testing.hg (Tim Deegan)
- Xen Project Homepage (Xen Project)
- ASA-2011-365 kernel security, bug fix, and enhancement update (RHSA-2011-1386 RH (Avaya)