CVE-2017-0318 Freebsd CVE debrief

Who should care

System administrators, workstation owners, and platform teams running NVIDIA GPU display drivers on Linux should review this issue, especially where untrusted local users or local code execution is possible.

Technical summary

The NVD CVE record describes a local attack surface (CVSS:3.0 AV:L) with low attack complexity and low privileges required, no user interaction, and high availability impact. The vulnerability is in a kernel mode layer handler and stems from insufficient validation of an input parameter. The recorded outcome is denial of service rather than data disclosure or integrity impact. The official NVD metadata also includes vendor advisory reference 4398 from NVIDIA.

Defensive priority

Medium priority. It is not marked as KEV, but it can impact system availability on affected NVIDIA driver installations and should be reviewed during normal patch management.

Recommended defensive actions

• Check whether any Linux systems in your environment use NVIDIA GPU display drivers.
• Review the NVIDIA vendor advisory referenced by NVD for affected products and remediation guidance.
• Apply vendor-provided updates or mitigations as soon as they are validated in your environment.
• Limit local code execution and untrusted local access on systems where patching is delayed.
• Monitor affected hosts for unexpected display-driver crashes or service disruption after any exposure to local untrusted code.

Evidence notes

Source corpus describes the flaw as affecting NVIDIA Linux GPU Display Driver and states that improper validation of an input parameter may cause a denial of service. The NVD record links the vulnerability to NVIDIA GPU driver CPEs and assigns CWE-20 with CVSS vector CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H. The provided vendor metadata names FreeBSD, but that conflicts with the CVE description and NVD CPE data; this debrief follows the official CVE/NVD record.

Official resources