CVE-2011-1898: citrix xen
Vulnerability summary
CVE-2011-1898 is a high (CVSS 7.4) vulnerability in citrix xen. EPSS estimates a 0.85% chance of exploitation in the next 30 days, higher than 58.2% of scored vulnerabilities. 1 public exploit is recorded.
Public exploit (reference, Date unknown)
Source freshness unavailable
How is this decided?Advisory lineage
Upstream 0 · Downstream 5 · Related 1Timeline
- 12-08-2011PublishedVulnerability first disclosed.
- 06-08-2024Last modifiedVulnerability information updated.
Description
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."
CVSS metrics
1 score · 1 source · 1 versionEPSS trend
Probability
0.85%
Chance of exploitation in the next 30 days
Percentile
58%
Versus all other CVEs
30-day change
No change 0.00 pp
From 0.85% on 04-10-2026
Known exploited
Compare KEV catalogs
CISA KEVNot in the CISA KEV catalog.
ENISA CNWNot in the ENISA CNW catalog.
CIRCLNot in the CIRCL catalog.
Public exploits
1 foundExploit Reference (invisiblethingslab.com)
Maturity: unknown
Weaknesses
CWE · root causeAffected systems
Known conditions: adjacent network, authentication (CVSS vector). Other conditions: not stated in public data.
Citrix1 product
- xen4.0.0 | 4.0.1 | 4.1.0
Debian1 product
- xen< 4.1.1-1
2 vendors · 2 products
References
9 links- xen.1045712.n5.nabble.com/Xen-security-advisory-CVE-2011-1898-VT-d-PCI-passthrough-MSI-td4390298.htmlMailing ListX Refsource MLIST
- lists.fedoraproject.org/pipermail/package-announce/2011-June/062139.htmlVendor AdvisoryX Refsource FEDORA
- www.invisiblethingslab.com/resources/2011/Software%20Attacks%20on%20Intel%20VT-d.pdfX Refsource MISCExploit
- lists.fedoraproject.org/pipermail/package-announce/2011-June/062112.htmlVendor AdvisoryX Refsource FEDORA
