VULNERABILITY INTELLIGENCE

CVE-2020-15687

CVSS score7.5 HIGH
EPSS probability1.68%
CISA KEVNot currently listed
Published2020-08-31
Last modified2026-06-17
CVSS vectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

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.

Weakness classification

  • nvd@nist.gov: NVD-CWE-Other

Primary references