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CVE-2020-15687

HIGH
7.5
CVSS Score
Published: August 31, 2020 at 03:39 PM UTC
Updated: June 17, 2026 at 02:57 AM UTC
1 product affected across 1 vendorAcrn

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Severity
HIGH7.5
Exploit prediction
EPSS 2%

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

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Remediation

No guide yet

No remediation guidance has been written for this CVE yet, and no fixed version or vendor advisory is recorded against it.

References (3)

x_refsource_MISCThird Party Advisory
Source: [email protected]
https://projectacrn.github.io/2.1/asa.html#addressed-in-acrn-v2-1
x_refsource_MISCThird Party Advisory
Source: [email protected]
https://projectacrn.github.io/latest/
x_refsource_MISCThird Party Advisory
Source: [email protected]
https://projectacrn.github.io/latest/developer-guides/hld/split-dm.html

CVSS

7.5HIGH[email protected]
Attack Vector
NETWORK
Complexity
LOW
Privileges
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
NONE
Availability
HIGH
Vector?

Quick Info

StatusMODIFIED
CWE
NVD-CWE-Other

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