IBM AIX 5L 5.3 Patches

There is one certified patch for IBM AIX 5L version 5.3:

5300-05_AIX_ML (Maintenance Level 5)

If you want your logger and scheduling to be correct, you need to install this Daylight Savings Time patch:

5.3 APAR IY75211

The IBM AIX patches are also valid on Japanese and Korean operating systems.