CVE-2020-15687

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.

7.5

CVSS

Severity: High

CVSS 3.1 •

CVSS 2.0 •

EPSS 0.41%

Third-Party Advisory github.io Third-Party Advisory github.io Third-Party Advisory github.io

Affected: n/a n/a

References

Link	Tags
https://projectacrn.github.io/latest/	third party advisory
https://projectacrn.github.io/latest/developer-guides/hld/split-dm.html	third party advisory
https://projectacrn.github.io/2.1/asa.html#addressed-in-acrn-v2-1	third party advisory

Frequently Asked Questions

What is the severity of CVE-2020-15687?: CVE-2020-15687 has been scored as a high severity vulnerability.
How to fix CVE-2020-15687?: To fix CVE-2020-15687, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2020-15687 being actively exploited in the wild?: As for now, there are no information to confirm that CVE-2020-15687 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.

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