CVE ID:	CVE-2016-1576
Description:	The overlayfs implementation in the Linux kernel through 4.5.2 does not properly restrict the mount namespace, which allows local users to gain privileges by mounting an overlayfs filesystem on top of a FUSE filesystem, and then executing a crafted setuid program.
Test IDs:	None available
Cross References:	Common Vulnerability Exposure (CVE) ID: CVE-2016-1576 http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=e9f57ebcba563e0cd532926cab83c92bb4d79360 http://www.halfdog.net/Security/2016/OverlayfsOverFusePrivilegeEscalation/ https://launchpadlibrarian.net/235300093/0005-overlayfs-Be-more-careful-about-copying-up-sxid-file.patch https://launchpadlibrarian.net/235300225/0006-overlayfs-Propogate-nosuid-from-lower-and-upper-moun.patch http://www.openwall.com/lists/oss-security/2016/02/24/8 http://www.openwall.com/lists/oss-security/2021/10/18/1