CVE-2018-3979

NameCVE-2018-3979
DescriptionA 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).
SourceCVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more)

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
xserver-xorg-video-nouveau (PTS)buster1:1.0.16-1vulnerable (unimportant)
bullseye1:1.0.17-1vulnerable (unimportant)
bookworm1:1.0.17-2vulnerable (unimportant)
sid, trixie1:1.0.17-3vulnerable (unimportant)

The information below is based on the following data on fixed versions.

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
xserver-xorg-video-nouveausource(unstable)(unfixed)unimportant

Notes

https://talosintelligence.com/vulnerability_reports/TALOS-2018-0647
Nouveau is a reverse-engineered, best effort driver, negligible security impact

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