USN-6395-1: GNOME Shell vulnerability

21 September 2023

GNOME Shell could be made to expose sensitive information.

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Ubuntu Pro provides ten-year security coverage to 25,000+ packages in Main and Universe repositories, and it is free for up to five machines.

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Releases

Packages

Details

Mickael Karatekin discovered that GNOME Shell incorrectly allowed the
screenshot tool to view open windows when a session was locked. A local
attacker could possibly use this issue to obtain sensitive information.

Reduce your security exposure

Ubuntu Pro provides ten-year security coverage to 25,000+ packages in Main and Universe repositories, and it is free for up to five machines.

Learn more about Ubuntu Pro

Update instructions

The problem can be corrected by updating your system to the following package versions:

Ubuntu 23.04

After a standard system update you need to reboot your computer to make all
the necessary changes.

References