Huawei Matebook D16(Model: CREM-WXX9, BIOS: v2.26), As the communication buffer size hasn’t been properly validated to be of the expected size, it can partially overlap with the beginning SMRAM.This can be leveraged by a malicious OS attacker to corrupt data structures stored at the beginning of SMRAM and can potentially lead to code execution in SMM.
https://www.huawei.com/en/psirt/security-advisories/2024/huawei-sa-hppvticfuoec-8ffde288-en