Vulnerability Description
Xen 4.1 before 4.1.1 and 4.0 before 4.0.2, when using PCI passthrough on Intel VT-d chipsets that do not have interrupt remapping, allows guest OS users to gain host OS privileges by "using DMA to generate MSI interrupts by writing to the interrupt injection registers."
CVSS Score
HIGH
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Citrix | Xen | 4.0.0 |
Related Weaknesses (CWE)
References
- http://lists.fedoraproject.org/pipermail/package-announce/2011-June/062112.html
- http://lists.fedoraproject.org/pipermail/package-announce/2011-June/062139.html
- http://lists.opensuse.org/opensuse-security-announce/2011-08/msg00017.html
- http://lists.opensuse.org/opensuse-security-announce/2011-08/msg00018.html
- http://theinvisiblethings.blogspot.com/2011/05/following-white-rabbit-software-a
- http://www.invisiblethingslab.com/resources/2011/Software%20Attacks%20on%20IntelExploit
- http://xen.1045712.n5.nabble.com/Xen-security-advisory-CVE-2011-1898-VT-d-PCI-pa
- http://xen.org/download/index_4.0.2.htmlPatch
- http://lists.fedoraproject.org/pipermail/package-announce/2011-June/062112.html
- http://lists.fedoraproject.org/pipermail/package-announce/2011-June/062139.html
- http://lists.opensuse.org/opensuse-security-announce/2011-08/msg00017.html
- http://lists.opensuse.org/opensuse-security-announce/2011-08/msg00018.html
- http://theinvisiblethings.blogspot.com/2011/05/following-white-rabbit-software-a
- http://www.invisiblethingslab.com/resources/2011/Software%20Attacks%20on%20IntelExploit
- http://xen.1045712.n5.nabble.com/Xen-security-advisory-CVE-2011-1898-VT-d-PCI-pa
FAQ
What is CVE-2011-1898?
CVE-2011-1898 is a vulnerability with a CVSS score of 7.4 (HIGH). Xen 4.1 before 4.1.1 and 4.0 before 4.0.2, when using PCI passthrough on Intel VT-d chipsets that do not have interrupt remapping, allows guest OS users to gain host OS privileges by "using DMA to gen...
How severe is CVE-2011-1898?
CVE-2011-1898 has been rated HIGH with a CVSS base score of 7.4/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2011-1898?
Check the references section above for vendor advisories and patch information. Affected products include: Citrix Xen.