Vulnerability in Citrix Xen
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."
Published · last modified .
CVSS v2 metric
CVSS v2 base score 7.4 (High). Vector: AV:A/AC:M/Au:S/C:C/I:C/A:C. This CVE predates CVSS v3 and has no v3 score from NVD.
EPSS exploit prediction
EPSS: 0.009 (56.6th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 57th percentile — 56.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.009 · newest: 0.009 · change: 0.000
Affected products
- Citrix Xen — versions 4.0.0, 4.0.1, 4.1.0
Weakness classification (CWE)
References
- lists.opensuse.org/opensuse-security-announce/2011-08/msg00018.html (vendor-advisory)
- xen.org/download/index_4.0.2.html (Patch)
- xen.1045712.n5.nabble.com/Xen-security-advisory-CVE-2011-1898-VT-d-PCI-passthro… (mailing-list)
- lists.fedoraproject.org/pipermail/package-announce/2011-June/062139.html (vendor-advisory)
- www.invisiblethingslab.com/resources/2011/Software Attacks on Intel VT-d.pdf (Exploit)
- theinvisiblethings.blogspot.com/2011/05/following-white-rabbit-software-attacks…
- lists.opensuse.org/opensuse-security-announce/2011-08/msg00017.html (vendor-advisory)
- lists.fedoraproject.org/pipermail/package-announce/2011-June/062112.html (vendor-advisory)