Vulnerability Details CVE-2020-15687
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.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.004
EPSS Ranking 60.4%
CVSS Severity
CVSS v3 Score 7.5
CVSS v2 Score 5.0
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
Products affected by CVE-2020-15687
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cpe:2.3:o:linuxfoundation:acrn:1.6.1
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cpe:2.3:o:linuxfoundation:acrn:2.0