Unrated severityNVD Advisory· Published Aug 12, 2011· Updated Jun 16, 2026
CVE-2011-1898
CVE-2011-1898
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."
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
5cpe:2.3:a:citrix:xen:4.0.0:*:*:*:*:*:*:*+ 2 more
- cpe:2.3:a:citrix:xen:4.0.0:*:*:*:*:*:*:*
- cpe:2.3:a:citrix:xen:4.0.1:*:*:*:*:*:*:*
- cpe:2.3:a:citrix:xen:4.1.0:*:*:*:*:*:*:*
Patches
Vulnerability mechanics
References
8- xen.org/download/index_4.0.2.htmlnvdPatch
- www.invisiblethingslab.com/resources/2011/Software%20Attacks%20on%20Intel%20VT-d.pdfnvdExploit
- lists.fedoraproject.org/pipermail/package-announce/2011-June/062112.htmlnvd
- lists.fedoraproject.org/pipermail/package-announce/2011-June/062139.htmlnvd
- lists.opensuse.org/opensuse-security-announce/2011-08/msg00017.htmlnvd
- lists.opensuse.org/opensuse-security-announce/2011-08/msg00018.htmlnvd
- theinvisiblethings.blogspot.com/2011/05/following-white-rabbit-software-attacks.htmlnvd
- xen.1045712.n5.nabble.com/Xen-security-advisory-CVE-2011-1898-VT-d-PCI-passthrough-MSI-td4390298.htmlnvd
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