7.4

CVE-2018-3979: canonical ubuntu_linux Uncontrolled Resource Consumption

CVSS: 7.4v3.0HighModified
AliasesUBUNTU-CVE-2018-3979DEBIAN-CVE-2018-3979
Published 01-04-2019Last modified 05-08-2024

Vulnerability summary

CVE-2018-3979 is a high (CVSS 7.4) Uncontrolled Resource Consumption vulnerability in canonical ubuntu_linux. EPSS estimates a 1.43% chance of exploitation in the next 30 days, higher than 72.6% of scored vulnerabilities. 1 public exploit is recorded.

Overall risk
40/100
0100
Medium · default modelHow is this calculated?
CVSS score
7.4/10
010
High · v3.0 (CVE.org)
EPSS score
1.43%
0%100%
Low · -0.01 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits1reference

Timeline

  1. 01-04-2019
    PublishedVulnerability first disclosed.
  2. 05-08-2024
    Last modifiedVulnerability information updated.

Description

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).

CVSS metrics

7 scores · 4 sources · 3 versions

EPSS trend

Probability

1.43%

Chance of exploitation in the next 30 days

Percentile

73%

Versus all other CVEs

30-day change

-0.01 pp

From 1.44% on 19-09-2026

19-09-202619-10-2026
EPSS score
1.43%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

1 found
  • referenceUnverified

    Exploit Reference (talosintelligence.com)

    Maturity: unknown

Weaknesses

CWE · root cause

Affected systems

Nvidia16 products
Ubuntu3 products
  • xserver-xorg-video-nouveauAll versions (No fix recorded)
  • xserver-xorg-video-nouveau-hwe-16.04All versions (No fix recorded)
  • xserver-xorg-video-nouveau-hwe-18.04All versions (No fix recorded)
Canonical1 product
Debian1 product
  • xserver-xorg-video-nouveauAll versions (No fix recorded)
Nouveau1 product
  • nouveauUbuntu 18.04 LTS (linux 4.15.0-29-generic x86_64) | Nouveau Display Driver NV117 (vermagic: 4.15.0-29-generic SMP mod_unload)

5 vendors · 22 products

References

4 links