mm/memory.c in the Linux kernel before 4.1.4 mishandles anonymous pages, which allows local users to gain privileges or cause a denial of service (page tainting) via a crafted application that triggers writing to page zero.
git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=6b7339f4c31ad69c8e9c0b2859276e22cf72176d
www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.1.4
www.securityfocus.com/bid/93591
bugzilla.redhat.com/show_bug.cgi?id=1333830
github.com/torvalds/linux/commit/6b7339f4c31ad69c8e9c0b2859276e22cf72176d
security-tracker.debian.org/tracker/CVE-2015-3288
source.android.com/security/bulletin/2017-01-01.html