CVE-2018-8781

Name	CVE-2018-8781
Description	The udl_fb_mmap function in drivers/gpu/drm/udl/udl_fb.c at the Linux kernel version 3.4 and up to and including 4.15 has an integer-overflow vulnerability allowing local users with access to the udldrmfb driver to obtain full read and write permissions on kernel physical pages, resulting in a code execution in kernel space.
Source	CVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more)
References	DLA-1369-1, DSA-4187-1, DSA-4188-1

Vulnerable and fixed packages

The table below lists information on source packages.

Source Package	Release	Version	Status
linux (PTS)	bullseye	5.10.218-1	fixed
	bullseye (security)	5.10.221-1	fixed
	bookworm	6.1.94-1	fixed
	bookworm (security)	6.1.99-1	fixed
	trixie	6.9.10-1	fixed
	sid	6.9.11-1	fixed

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

Package	Type	Release	Fixed Version	Origin
linux	source	wheezy	3.2.101-1	DLA-1369-1
linux	source	jessie	3.16.56-1	DSA-4187-1
linux	source	stretch	4.9.88-1	DSA-4188-1
linux	source	(unstable)	4.15.17-1

https://patchwork.freedesktop.org/patch/211845/
Fixed by: https://git.kernel.org/linus/3b82a4db8eaccce735dffd50b4d4e1578099b8e8