Gigabyte Brings Back the B450 Chipset to Dodge DDR5 Prices
Gigabyte lists two new B450 boards that keep AM4 and DDR4 buildable in 2026, and AMD posts early Linux kernel patches for Zen 6 client overclocking months before the chips exist.
Tag Zen 6
A Two-Instruction Gap in AMD’s Spectre v2 Defense, Now Closed
MIT researchers found a two-instruction timing gap that let interrupts defeat AMD's Safe RET mitigation on Zen 1 through Zen 4. The kernel fix was already merged before disclosure; separately, Linux 7.2-rc6 untangles a Zen 5/Zen 6 ID mixup.
AM5 Gets Its First Open-Source Firmware, and Zen 6 Starts Landing in Linux
One retail B850 board now boots on coreboot and openSIL, with a very short CPU list, while Zen 6's per-core performance floors are already merged in mainline Linux.