Vulnerability DatabaseCVE-2011-1898
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CVE-2011-1898
August 12, 2011
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."
Related Resources (9)
http://www.invisiblethingslab.com/resources/2011/Software%20Attacks%20on%20Intel%20VT-d.pdf
http://lists.fedoraproject.org/pipermail/package-announce/2011-June/062139.html
http://lists.opensuse.org/opensuse-security-announce/2011-08/msg00017.html
http://theinvisiblethings.blogspot.com/2011/05/following-white-rabbit-software-attacks.html
https://access.redhat.com/security/cve/CVE-2011-1898
http://lists.fedoraproject.org/pipermail/package-announce/2011-June/062112.html
http://lists.opensuse.org/opensuse-security-announce/2011-08/msg00018.html
http://xen.org/download/index_4.0.2.html
http://xen.1045712.n5.nabble.com/Xen-security-advisory-CVE-2011-1898-VT-d-PCI-passthrough-MSI-td4390298.html
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CVSS v4
Base Score:
7.5
Attack Vector
ADJACENT
Attack Complexity
HIGH
Attack Requirements
NONE
Privileges Required
LOW
User Interaction
NONE
Vulnerable System Confidentiality
HIGH
Vulnerable System Integrity
HIGH
Vulnerable System Availability
HIGH
Subsequent System Confidentiality
NONE
Subsequent System Integrity
NONE
Subsequent System Availability
NONE
CVSS v3
Base Score:
7.1
Attack Vector
ADJACENT
Attack Complexity
HIGH
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH
CVSS v2
Base Score:
7.4
Access Vector
ADJACENT NETWORK
Access Complexity
MEDIUM
Authentication
SINGLE
Confidentiality Impact
COMPLETE
Integrity Impact
COMPLETE
Availability Impact
COMPLETE
EPSS
Base Score:
0.62