CVE-2020-15687: Linuxfoundation Acrn

High severity, CVSS 7.5. EPSS: 1.7% chance of exploitation in the next 30 days.

Missing access control restrictions in the Hypervisor component of the ACRN Project (v2.0 and v1.6.1) allow a malicious entity, with root access in the Service VM userspace, to abuse the PCIe assign/de-assign Hypercalls via crafted ioctls and payloads. This attack results in a corrupt state and Denial of Service (DoS) for previously assigned PCIe devices to the Service VM at runtime.

Affected products

• Linuxfoundation Acrn: version 1.6.1 only; version 2.0 only

Published 2020-08-31. Last modified 2026-06-17.