macOS XNU - Missing Locking in checkdirs_callback() Enables Race with fchdir_common() Exploit

On macOS, when a new mount point is created, the kernel uses checkdirs to, as a comment above the function explains: "Scan all active processes to see if any of them have a current or root directory onto which the new filesystem has just been mounted. If so, replace them with the new mount point....

DEBIAN-CVE-2011-1831

utils/mount.ecryptfsprivate.c in ecryptfs-utils before 90 does not properly check mountpoint permissions, which allows local users to effectively replace any directory with a new filesystem, and consequently gain privileges, via a mount system call...

Mandriva Update for cfengine3 MDVA-2011:022 (cfengine3)

Check for the Version of cfengine3 OpenVAS Vulnerability Test Mandriva Update for cfengine3 MDVA-2011:022 cfengine3 Authors: System Generated Check Copyright: Copyright c 2011 Greenbone Networks GmbH, http://www.greenbone.net This program is free software; you can redistribute it and/or modify it...