We released L4T 32.5.2 , a minor update on top L4T 32.5.1 and includes security fixes. L4T 32.5.2 supports all Jetson modules and developer kits.
Also, we released L4T 28.5, a minor update on top of L4T 28.4 and includes security fixes. L4T 28.5 supports Jetson TX2, Jetson TX2i and Jetson TX1.
On details regarding the security fixes included, please refer to the NVIDIA security bulletin