A flaw was found in the way sudo parsed tty information from the process
status file in the proc filesystem. A local user with privileges to execute
commands via sudo could use this flaw to escalate their privileges to root.
Run yum update sudo to update your system.
i686: sudo-devel-1.8.6p3-28.25.amzn1.i686 sudo-1.8.6p3-28.25.amzn1.i686 sudo-debuginfo-1.8.6p3-28.25.amzn1.i686 src: sudo-1.8.6p3-28.25.amzn1.src x86_64: sudo-1.8.6p3-28.25.amzn1.x86_64 sudo-devel-1.8.6p3-28.25.amzn1.x86_64 sudo-debuginfo-1.8.6p3-28.25.amzn1.x86_64