Vulnerability Monitor

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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.

Published

2020-08-31T16:15:14.897

Last Modified

2024-11-21T05:06:00.930

Status

Modified

Source

[email protected]

Severity

CVSSv3.1: 7.5 (HIGH)

CVSSv2 Vector

AV:N/AC:L/Au:N/C:N/I:N/A:P

Access Vector: NETWORK
Access Complexity: LOW
Authentication: NONE
Confidentiality Impact: NONE
Integrity Impact: NONE
Availability Impact: PARTIAL

Exploitability Score

10.0

Impact Score

2.9

Weaknesses

Type: Primary
NVD-CWE-Other

Affected Vendors & Products

Type	Vendor	Product	Version/Range	Vulnerable?
Operating System	linuxfoundation	acrn	1.6.1	Yes
Operating System	linuxfoundation	acrn	2.0	Yes

References

https://projectacrn.github.io/2.1/asa.html#addressed-in-acrn-v2-1 Third Party Advisory ([email protected])
https://projectacrn.github.io/latest/ Third Party Advisory ([email protected])
https://projectacrn.github.io/latest/developer-guides/hld/split-dm.html Third Party Advisory ([email protected])
https://projectacrn.github.io/2.1/asa.html#addressed-in-acrn-v2-1 Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://projectacrn.github.io/latest/ Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://projectacrn.github.io/latest/developer-guides/hld/split-dm.html Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)