In multiple functions of UserController.java, there is a possible lock screen bypass due to a race condition. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.

IBM MQ Race Condition

IBM MQ could allow an authenticated attacker to cause a denial of service or corrupt memory due to improper validation of buffer sizes in MQOPEN operations.

A race condition was identified through which privilege escalation was possible in certain configurations.