The xenlight library (libxl) in Xen 4.0.x through 4.2.x, when IOMMU is disabled, provides access to a busmastering-capable PCI passthrough device before the IOMMU setup is complete, which allows local HVM guest domains to gain privileges or cause a denial of service via a DMA instruction.
OS | Version | Architecture | Package | Version | Filename |
---|---|---|---|---|---|
Debian | 12 | all | xen | < 4.3.0-1 | xen_4.3.0-1_all.deb |
Debian | 11 | all | xen | < 4.3.0-1 | xen_4.3.0-1_all.deb |
Debian | 10 | all | xen | < 4.3.0-1 | xen_4.3.0-1_all.deb |
Debian | 999 | all | xen | < 4.3.0-1 | xen_4.3.0-1_all.deb |
Debian | 13 | all | xen | < 4.3.0-1 | xen_4.3.0-1_all.deb |