Samba 4.21.x < 4.21.6 / 4.22.x < 4.22.2 Security Bypass Vulnerability

The version of Samba installed on the remote host is 4.21.x prior to 4.21.6, or 4.22.x prior to 4.22.2. It is, therefore, affected by a security bypass vulnerability. A flaw exists with smbd when using Kerberos authentication with smb, due to using the cached user group permissions when...