Vulnerability 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.
CVSS Score
HIGH
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Linuxfoundation | Acrn | 1.6.1 |
References
- https://projectacrn.github.io/2.1/asa.html#addressed-in-acrn-v2-1Third Party Advisory
- https://projectacrn.github.io/latest/Third Party Advisory
- https://projectacrn.github.io/latest/developer-guides/hld/split-dm.htmlThird Party Advisory
- https://projectacrn.github.io/2.1/asa.html#addressed-in-acrn-v2-1Third Party Advisory
- https://projectacrn.github.io/latest/Third Party Advisory
- https://projectacrn.github.io/latest/developer-guides/hld/split-dm.htmlThird Party Advisory
FAQ
What is CVE-2020-15687?
CVE-2020-15687 is a vulnerability with a CVSS score of 7.5 (HIGH). 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/d...
How severe is CVE-2020-15687?
CVE-2020-15687 has been rated HIGH with a CVSS base score of 7.5/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2020-15687?
Check the references section above for vendor advisories and patch information. Affected products include: Linuxfoundation Acrn.