The software described in this documentation is either in Extended Support or Sustaining Support. See https://www.oracle.com/us/support/library/enterprise-linux-support-policies-069172.pdf for more information.
Oracle recommends that you upgrade the software described by this documentation as soon as possible.

2.1.3 Random Number Generator Operation in FIPS Mode

A race condition that could occur when priming the last_data value has been corrected. This fix ensures correct operation of the random number generator when compliance with Federal Information Processing Standard (FIPS) Publication 140-2 is enabled. (Bug ID 17776875)