CVE-2011-0542 Information

Description

fusermount in fuse 2.8.5 and earlier does not perform a chdir to / before performing a mount or umount which allows local users to unmount arbitrary directories via unspecified vectors.

Reference

http://fuse.git.sourceforge.net/git/gitweb.cgi?p=fuse/fuse;a=commit;h=1e7607ff89c65b005f69e27aeb1649d624099873 http://www.openwall.com/lists/oss-security/2011/02/02/2 http://www.openwall.com/lists/oss-security/2011/02/03/5 http://www.openwall.com/lists/oss-security/2011/02/08/4