CVE-2023-40548 | rhboot shim on 32-bit verify_sbat_section heap-based overflow

A vulnerability classified as critical has been found in rhboot shim on 32-bit. Affected is the function verify_sbat_section. The manipulation leads to heap-based buffer overflow.

This vulnerability is traded as CVE-2023-40548. Access to the local network is required for this attack. There is no exploit available.