An urgent security update has been released for kernel 6.1.75 that fixes multiple vulnerabilities classified as critical. The fixes include patches for a privilege escalation in the netfilter subsystem, a use-after-free vulnerability in the io_uring module, and a memory handling flaw in the USB controller that could allow arbitrary code execution. All Kumander 2.1 users should update as soon as possible by running sudo apt update && sudo apt upgrade in the terminal. After the update, a system restart is required for the kernel patches to take effect. Verify the installed version with uname -r.