CVE-2011-1834: Undefined Security Weakness

utils/mount.ecryptfsprivate.c in ecryptfs-utils before 90 does not properly maintain the mtab file during error conditions, which allows local users to cause a denial of service table corruption or bypass intended unmounting restrictions via a umount system call...

CVE-2011-1837: Undefined Security Weakness

The lock-counter implementation in utils/mount.ecryptfsprivate.c in ecryptfs-utils before 90 allows local users to overwrite arbitrary files via unspecified vectors...

CVE-2011-1832: Undefined Security Weakness

utils/mount.ecryptfsprivate.c in ecryptfs-utils before 90 does not properly check mountpoint permissions, which allows local users to remove directories via a umount system call...