On many of the most popular Linux distributions, including Ubuntu, it's possible to log into your computer as a "root" user.

A vulnerability in GNOME Display Manager (gdm) could allow a standard user to create accounts with increased privileges, giving a local attacker a path to run code with administrator permissions (root ...

Ubuntu developers have fixed a series of vulnerabilities that made it easy for standard users to gain coveted root privileges. “This blog post is about an astonishingly straightforward way to escalate ...