What is the difference between the 390.x, 470.x, and 510.x releases of the Linux Nvidia driver?

So do you know why release 390.x is not affected by the CVEs?
CVE‑2022‑21813|NVIDIA GPU Display Driver for Linux contains a vulnerability in the kernel driver, where improper handling of insufficient permissions or privileges may allow an unprivileged local user limited write access to protected memory, which can lead to denial of service.
CVE‑2022‑21814|NVIDIA GPU Display Driver for Linux contains a vulnerability in the kernel driver package, where improper handling of insufficient permissions or privileges may allow an unprivileged local user limited write access to protected memory, which can lead to denial of service.|