for firefox 107.0.1 in linux mint 20.3 based on Ubuntu 20.04, when task manager is opened, this rule is needed:
owner @{PROC}/[0-9]*/task/[0-9]*/comm r,
for firefox 107.0.1 in linux mint 20.3 based on Ubuntu 20.04, when task manager is opened, this rule is needed:
owner @{PROC} /[0-9]* /task/[ 0-9]*/comm r,