"Sudo before 1.9.5p2 has a Heap-based Buffer Overflow, allowing privilege escalation to root via "sudoedit -s" and a command-line argument that ends with a single backslash character."   take sudo binarys from 6.2.4 and copy them to 6.2.3 or compile new version from source (https://www.sudo.ws/stable.html) in the build enviroment used for packages and driver       if you figure out what cve it is you could help yourself too (cisco talos has a lists, you would need