It was recently discovered that the AMD Software (formerly Radeon Software) driver utility is secretly changing CPU parameters in the BIOS on some PCs. This isn’t some sinister play on AMD’s part, but an apparent driver bug. AMD confirmed as much in a statement, saying it is “aware of an issue in the AMD software suite that is adjusting certain

Source: Hot Hardware – AMD Confirms GPU A Driver Bug Is Messing With Ryzen CPU Overclocks, Fix Incoming