CVE-2018-7740

Name	CVE-2018-7740
Description	The resv_map_release function in mm/hugetlb.c in the Linux kernel through 4.15.7 allows local users to cause a denial of service (BUG) via a crafted application that makes mmap system calls and has a large pgoff argument to the remap_file_pages system call.
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	5.10.223-1	fixed
	bullseye (security)	5.10.226-1	fixed
	bookworm	6.1.123-1	fixed
	bookworm (security)	6.1.119-1	fixed
	trixie	6.12.10-1	fixed
	sid	6.12.11-1	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://bugzilla.kernel.org/show_bug.cgi?id=199037