Vulnerability Report

CVE-2011-1898

Title: Citrix Xen

Other

Proof Of Concept

No public PoC currently indexed for CVE-2011-1898.

CWE Category CWE-264

Published Date Aug 12, 2011

Modified Date Jun 16, 2026

Exploit Status Not Found

Score 7.4 CVSS v2.0

Exploit Probability (EPSS)

0.85%

Vulnerability Summary

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."

Impacted Vendors

xensource_inc 1

citrix 1

Reference Links

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

CVSS v2.0

Source Entity [email protected]

Severity HIGH

7.4

Access Vector

N/A

Authentication

N/A

RAW VECTOR AV:A/AC:M/Au:S/C:C/I:C/A:C

Associated Attack Patterns (CAPEC)

Total: Patterns

CVE-2011-1898 Exploits & PoCs (Proof Of Concept)

No public PoCs found in our database for this CVE.

June 16, 2026 MODIFIED

Vulnerability data updated via NVD.

April 29, 2026 MODIFIED

Vulnerability data updated via NVD.

April 11, 2025 MODIFIED

Vulnerability data or affected products updated.

August 12, 2011 PUBLISHED

Vulnerability first announced in NVD.

Attack Vector Matrix

Access Vector N/A

Complexity N/A

Privileges N/A

Interaction NONE

CVSS Vector String


                                    AV:A/AC:M/Au:S/C:C/I:C/A:C

Affected Stack

No specific products linked.