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The X.Org X wrapper (xserver-wrapper.c) in Debian GNU/Linux and Ubuntu Linux does not properly verify the TTY of a user who is starting X, which allows local users to bypass intended access restrictions by associating stdin with a file that is misinterpreted as the console TTY.
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Debian | — | Upgrade xorg | Jul 30, 2024 | Feb 5, 2014 |
| Ubuntu | — | Upgrade xserver-xorg | Nov 8, 2024 | Feb 5, 2014 |
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