The "copy fail" allows user to escalate commands as a root. This a kernel level bug, so its not juts a Mint specific issue, basically every linux distrubitions are affected. Many distrubitons didn't patched this yet but the good new is the main fix is already execting and disros rolling them out. If you are affected in this you should update your system. Edit: The vulnerability was introduced in kernel version 4.14 and affects all subsequent versions up to the specific patched releases. The official fixes are available only in the following kernel versions: 6.18.22 6.19.12 7.0