When mount.ecrpytfs_private before version 87-0ubuntu1.2 calls setreuid() it doesn't also set the effective group id. So when it creates the new version, mtab.tmp, it's created with the group id of the user running mount.ecryptfs_private.
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Centos_linux | — | Upgrade ecryptfs-utils-guiUpgrade ecryptfs-utilsUpgrade ecryptfs-utils-devel | Aug 17, 2018 | Aug 23, 2011 |
| Debian | — | Upgrade ecryptfs-utils | Jul 30, 2024 | Apr 22, 2019 |
| Suse | — | Upgrade ecryptfs-utils-32bitUpgrade ecryptfs-utils-x86Upgrade ecryptfs-utils | Dec 12, 2013 | Jun 28, 2013 |
| Ubuntu | — | Upgrade ecryptfs-utils | Nov 8, 2024 | Apr 22, 2019 |
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