Xen 4.6.x and earlier does not properly enforce limits on page order inputs for the (1) XENMEM_increase_reservation, (2) XENMEM_populate_physmap, (3) XENMEM_exchange, and possibly other HYPERVISOR_memory_op suboperations, which allows ARM guest OS administrators to cause a denial of service (CPU consumption, guest reboot, or watchdog timeout and host reboot) and possibly have unspecified other impact via unknown vectors.
CVSS Details
- CVSS 3.1 Base Score: 6.2
Covered by Rapid7
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Debian | — | Upgrade xen | Jul 28, 2016 | Dec 17, 2015 |
| Redhat_linux | — | No solution exists | Jul 9, 2025 | Dec 8, 2015 |
| Ubuntu | — | Upgrade xen | Nov 19, 2024 | Dec 17, 2015 |
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