CVE-2025-22047: Undefined Security Weakness

In the Linux kernel, the following vulnerability has been resolved: x86/microcode/AMD: Fix applymicrocodeamd's return value When verifysha256digest fails, applymicrocodeamd should propagate the failure by returning false and not -1 which is promoted to true...

CVE-2025-21991: Improper Validation of Array Index

In the Linux kernel, the following vulnerability has been resolved: x86/microcode/AMD: Fix out-of-bounds on systems with CPU-less NUMA nodes Currently, loadmicrocodeamd iterates over all NUMA nodes, retrieves their CPU masks and unconditionally accesses per-CPU data for the first CPU of each mask...