FreeRADIUS 2.2.x before 2.2.8 and 3.0.x before 3.0.9 does not properly check revocation of intermediate CA certificates.
https://bugzilla.redhat.com/show_bug.cgi?id=1234975
http://www.securitytracker.com/id/1032690
http://www.securityfocus.com/bid/75327
http://www.securityfocus.com/archive/1/535810/100/0/threaded
http://www.ocert.org/advisories/ocert-2015-008.html
http://packetstormsecurity.com/files/132415/FreeRADIUS-Insufficient-CRL-Application.html
http://lists.opensuse.org/opensuse-security-announce/2017-01/msg00010.html