CVE-2018-3979: Canonical Ubuntu Linux

Medium severity, CVSS 6.5. EPSS: 1.4% chance of exploitation in the next 30 days.

A remote denial-of-service vulnerability exists in the way the Nouveau Display Driver (the default Ubuntu Nvidia display driver) handles GPU shader execution. A specially crafted pixel shader can cause remote denial-of-service issues. An attacker can provide a specially crafted website to trigger this vulnerability. This vulnerability can be triggered remotely after the user visits a malformed website. No further user interaction is required. Vulnerable versions include Ubuntu 18.04 LTS (linux 4.15.0-29-generic x86_64), Nouveau Display Driver NV117 (vermagic: 4.15.0-29-generic SMP mod_unload).

Affected products

• Canonical Ubuntu Linux: version 18.04 only
• NVIDIA Geforce Gtx 745 Firmware: affected versions not specified
• NVIDIA Geforce Gtx 750 Firmware: affected versions not specified
• NVIDIA Geforce Gtx 750 Ti Firmware: affected versions not specified
• NVIDIA Geforce Gtx 840m Firmware: affected versions not specified
• NVIDIA Geforce Gtx 845m Firmware: affected versions not specified
• NVIDIA Geforce Gtx 850m Firmware: affected versions not specified
• NVIDIA Geforce Gtx 860m Firmware: affected versions not specified
• NVIDIA Geforce Gtx 950m Firmware: affected versions not specified
• NVIDIA Geforce Gtx 960m Firmware: affected versions not specified
• NVIDIA Grid m30 Firmware: affected versions not specified
• NVIDIA Grid m40 Firmware: affected versions not specified
• NVIDIA Quadro k1200 Firmware: affected versions not specified
• NVIDIA Quadro k2200 Firmware: affected versions not specified
• NVIDIA Quadro k620 Firmware: affected versions not specified
• NVIDIA Quadro m1000m Firmware: affected versions not specified
• NVIDIA Quadro m1200m Firmware: affected versions not specified

Published 2019-04-01. Last modified 2026-06-17.