USN-5279-1: util-linux vulnerabilities

9 February 2022

util-linux could be made to unmount FUSE filesystems belonging to other users.

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Releases

Packages

Details

It was discovered that util-linux incorrectly handled unmounting FUSE
filesystems. A local attacker could possibly use this issue to unmount
FUSE filesystems belonging to other users.

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 21.10
Ubuntu 20.04

In general, a standard system update will make all the necessary changes.