CVE-2011-1898
7.4 High
CVSS2
Attack Vector
ADJACENT_NETWORK
Attack 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
6.5 Medium
AI Score
Confidence
High
0.001 Low
EPSS
Percentile
29.7%
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.”
Affected configurations
References
lists.fedoraproject.org/pipermail/package-announce/2011-June/062112.html
lists.fedoraproject.org/pipermail/package-announce/2011-June/062139.html
lists.opensuse.org/opensuse-security-announce/2011-08/msg00017.html
lists.opensuse.org/opensuse-security-announce/2011-08/msg00018.html
theinvisiblethings.blogspot.com/2011/05/following-white-rabbit-software-attacks.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
Related
7.4 High
CVSS2
Attack Vector
ADJACENT_NETWORK
Attack 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
6.5 Medium
AI Score
Confidence
High
0.001 Low
EPSS
Percentile
29.7%