Security readout for executives and security teams
A malicious or faulty virtual machine on affected Xen hosts can force excessive PCI MSI-X pass-through error logging, consuming host disk space and causing service disruption. This is a denial-of-service risk, not a disclosed data theft or remote code execution issue. Exposure is most likely on Xen 3.3.x through 4.5.x x86 virtualization hosts running HVM guests with PCI pass-through capabilities. Multi-tenant or untrusted guest environments have higher operational risk. Treat this as a moderate infrastructure availability issue. It requires local guest access, but a single guest could affect the host by exhausting disk space, creating business impact in shared virtualization environments. Mitigation focus: Review Xen XSA-130 and affected vendor advisories for fixed package guidance.; Update Xen or distribution packages using Ubuntu, Debian, SUSE, Fedora, Gentoo, or Citrix guidance as applicable.; Restrict PCI pass-through to trusted guests where operationally possible..
Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.
Conservative CVE-to-ATT&CK context
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ATT&CK lookup starting points
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CVE-2015-4105 mapping review
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Open ATT&CK lookup- Severity
- Unknown
- CVSS
- Not scored
- Known Exploited
- No
- Published
CNA and ADP enrichment extracted from CVE v5
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CVSS and timeline data
No CVSS vectors or timeline events were available in the normalized CVE source material.
Source materials
- CVE List V5 sourceCVE List V5
- https://support.citrix.com/article/CTX206006CVE reference · x_refsource_CONFIRM
- GLSA-201604-03CVE reference · vendor-advisory, x_refsource_GENTOO
Products and packages named in the record
CWE details
CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.