When mount.ecrpytfs_private before version 87-0ubuntu1.2 calls setreuid() it doesnt also set the effective group id. So when it creates the new version, mtab.tmp, its created with the group id of the user running mount.ecryptfs_private.
| Name | Vendor | Start Version | End Version |
|---|---|---|---|
| Mount.ecrpytfs_private | Mount.ecrpytfs_private_project | - (including) | - (including) |
| Red Hat Enterprise Linux 5 | RedHat | ecryptfs-utils-0:75-5.el5_7.2 | * |
| Red Hat Enterprise Linux 6 | RedHat | ecryptfs-utils-0:82-6.el6_1.3 | * |
| Ecryptfs-utils | Ubuntu | devel | * |
| Ecryptfs-utils | Ubuntu | lucid | * |
| Ecryptfs-utils | Ubuntu | maverick | * |
| Ecryptfs-utils | Ubuntu | natty | * |