- CVE-2021-20208: cifs.upcall kerberos auth leak in container
- get/setcifsacl tools are improved to support changing owner, group and SACLs
- mount.cifs is enhanced to use SUDO_UID env variable for cruid
- smbinfo is re-written in Python language
- CVE-2020-14342: mount.cifs: fix shell command injection
Full changelog: https://wiki.samba.org/index.php/LinuxCIFS_utils
The patch to the Makefile is no longer required.