Resource exhaustion in Nouveau
CVE-2018-3979
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).
Vulnerability class: DoS (Denial of Service)
EPSS: 0.014 (70.4th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H.
Affected products
- Nouveau — versions 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)
- Nvidia Geforce_gtx_745
- Nvidia Geforce_gtx_745_firmware
- Nvidia Geforce_gtx_750
- Nvidia Geforce_gtx_750_firmware
- Nvidia Geforce_gtx_750_ti
- Nvidia Geforce_gtx_750_ti_firmware
- Nvidia Geforce_gtx_840m
- Nvidia Geforce_gtx_840m_firmware
- Nvidia Geforce_gtx_845m
Weakness classification (CWE)
Public proof-of-concept exploits
References
- talos-cna@cisco.com (x_refsource_CONFIRM, Exploit, Third Party Advisory)
Frequently asked questions
- What is CVE-2018-3979?
- CVE-2018-3979 is a medium-severity vulnerability in Nouveau, classified under Uncontrolled Resource Consumption. CVSS score: 6.5/10. Published 2019-04-01.
- How severe is CVE-2018-3979?
- Medium severity. CVSS v3 base score is 6.5 out of 10.
- Is CVE-2018-3979 known to be exploited?
- 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.