Linux users running the Plasma desktop environment are advised to update their systems as soon as possible to version 5.12.0 or later. If a USB memory stick is plugged into a vulnerable computer has a volume label containing the characters “ or $() the text contained within the characters will be executed as shell commands. This isnt the sort of attack that could be conducted remotely. An attacker needs to have physical access to the vulnerable computer, or maybe sneakily leave it lying around in a car park.”]