Vulnerability Details CVE-2011-1898
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."
Exploit prediction scoring system (EPSS) score
EPSS Score 0.006
EPSS Ranking 69.0%
CVSS Severity
CVSS v2 Score 7.4
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-attacks.html
- http://www.invisiblethingslab.com/resources/2011/Software%20Attacks%20on%20Intel%20VT-d.pdf
- http://xen.1045712.n5.nabble.com/Xen-security-advisory-CVE-2011-1898-VT-d-PCI-passthrough-MSI-td4390298.html
- http://xen.org/download/index_4.0.2.html
- 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-attacks.html
- http://www.invisiblethingslab.com/resources/2011/Software%20Attacks%20on%20Intel%20VT-d.pdf
- http://xen.1045712.n5.nabble.com/Xen-security-advisory-CVE-2011-1898-VT-d-PCI-passthrough-MSI-td4390298.html
- http://xen.org/download/index_4.0.2.html