example        ALL=(ALL)       ALL

sudo ls -l /root
[sudo] password for example:
/var/cache/.security.db: unable to flush: Permission denied
sudo: PERM_ROOT: setresuid(0, -1, -1): Operation not permitted
sudo: unable to open /var/db/sudo/example/2: Operation not permitted
sudo: unable to send audit message: Operation not permitted
sudo: unable to set supplementary group IDs: Operation not permitted
sudo: unable to execute /bin/ls: Operation not permitted

example         ALL=/usr/local/bin/example_script.sh

sudo /usr/local/bin/example_script.sh
[sudo] password for example:
sudo: PERM_ROOT: setresuid(0, -1, -1): Operation not permitted
sudo: unable to open /var/db/sudo/example/1: Operation not permitted
sudo: unable to send audit message: Operation not permitted
sudo: unable to set supplementary group IDs: Operation not permitted
sudo: unable to execute /usr/local/bin/example_script.sh: Operation not

examplehost sudo: pam_krb5[30799]: authentication succeeds for 'example' (example@exampledomain)
examplehost sudo: example : unable to open /var/db/sudo/example/2 : Permission denied ; TTY=pts/2 ; PWD=/home/example ; USER=root ; COMMAND=/bin/ls -l /root
examplehost example : TTY=pts/2 ; PWD=/home/example ; USER=root ; COMMAND=/bin/ls -l /root
examplehost sudo: pam_keyinit(sudo:session): Unable to change GID to 0 temporarily examplehost su: pam_unix(su-l:session): session closed for user example
examplehost su: pam_unix(su-l:session): session closed for user example