7.3 High
AI Score
Confidence
Low
7.4 High
CVSS2
Access Vector
ADJACENT_NETWORK
Access Complexity
MEDIUM
Authentication
SINGLE
Confidentiality Impact
COMPLETE
Integrity Impact
COMPLETE
Availability Impact
COMPLETE
AV:A/AC:M/Au:S/C:C/I:C/A:C
0.001 Low
EPSS
Percentile
27.5%
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.”
lists.opensuse.org/opensuse-security-announce/2011-08/msg00017.html
lists.opensuse.org/opensuse-security-announce/2011-08/msg00018.html
www.invisiblethingslab.com/resources/2011/Software%20Attacks%20on%20Intel%20VT-d.pdf
xen.1045712.n5.nabble.com/Xen-security-advisory-CVE-2011-1898-VT-d-PCI-passthrough-MSI-td4390298.html
xen.org/download/index_4.0.2.html
lists.fedoraproject.org/pipermail/package-announce/2011-June/062112.html
lists.fedoraproject.org/pipermail/package-announce/2011-June/062139.html
theinvisiblethings.blogspot.com/2011/05/following-white-rabbit-software-attacks.html