CVE-2025-21991 | Linux Kernel up to 6.1.131/6.6.83/6.12.19/6.13.7 load_microcode_amd array index
A vulnerability was found in Linux Kernel up to 6.1.131/6.6.83/6.12.19/6.13.7. It has been classified as problematic. Affected is the function load_microcode_amd. The manipulation leads to improper validation of array index.
This vulnerability is traded as CVE-2025-21991. Access to the local network is required for this attack. There is no exploit available.
It is recommended to upgrade the affected component.