CVE-2020-15687

HIGH

ACRN 1.6.1 and 2.0 - Denial of Service via PCIe Assign/De-Assign Hypercalls

Title source: llm
STIX 2.1

Description

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.

References (3)

Core 3
Core References
Third Party Advisory x_refsource_misc
https://projectacrn.github.io/latest/

Scores

CVSS v3 7.5
EPSS 0.0041
EPSS Percentile 61.3%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Details

Status published
Products (2)
linuxfoundation/acrn 1.6.1
linuxfoundation/acrn 2.0
Published Aug 31, 2020
Tracked Since Feb 18, 2026