CVE-2019-12881

NameCVE-2019-12881
Descriptioni915_gem_userptr_get_pages in drivers/gpu/drm/i915/i915_gem_userptr.c in the Linux kernel 4.15.0 on Ubuntu 18.04.2 allows local users to cause a denial of service (NULL pointer dereference and BUG) or possibly have unspecified other impact via crafted ioctl calls to /dev/dri/card0.
SourceCVE (at NVD; CERT, LWN, oss-sec, fulldisc, bugtraq, EDB, Metasploit, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, Mageia, GitHub code/issues, web search, more)
NVD severitymedium

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
linux (PTS)stretch4.9.228-1fixed
stretch (security)4.9.246-2fixed
buster4.19.160-2fixed
buster (security)4.19.152-1fixed
bullseye5.10.4-1fixed
sid5.10.5-1fixed

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

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
linuxsourcestretch4.9.130-1
linuxsource(unstable)4.18.6-1

Notes

https://gist.github.com/oxagast/472866fb2c3d439e10499d7141d0a520
https://git.kernel.org/linus/c11c7bfd213495784b22ef82a69b6489f8d0092f

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