What’s Vulnerable › Vulnerabilities

CVE-2020-15687

• Severity: high (CVSS 7.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.7% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2020-08-31 · updated 2026-06-17

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.

Affected products

• Linuxfoundation Acrn: 1.6.1, 2.0

References

• https://projectacrn.github.io/2.1/asa.html#addressed-in-acrn-v2-1
• https://projectacrn.github.io/latest/
• https://projectacrn.github.io/latest/developer-guides/hld/split-dm.html
• https://projectacrn.github.io/2.1/asa.html#addressed-in-acrn-v2-1
• https://projectacrn.github.io/latest/
• https://projectacrn.github.io/latest/developer-guides/hld/split-dm.html

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