Xen 4.x, when using Intel VT-d for a bus mastering capable PCI device, does not properly check the source when accessing a bridge device’s interrupt remapping table entries for MSI interrupts, which allows local guest domains to cause a denial of service (interrupt injection) via unspecified vectors.
OS | Version | Architecture | Package | Version | Filename |
---|---|---|---|---|---|
Debian | 12 | all | xen | < 4.1.4-4 | xen_4.1.4-4_all.deb |
Debian | 11 | all | xen | < 4.1.4-4 | xen_4.1.4-4_all.deb |
Debian | 10 | all | xen | < 4.1.4-4 | xen_4.1.4-4_all.deb |
Debian | 999 | all | xen | < 4.1.4-4 | xen_4.1.4-4_all.deb |
Debian | 13 | all | xen | < 4.1.4-4 | xen_4.1.4-4_all.deb |