Description
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.
CVSS breakdown
CVSS 3.1
Attack Vector
Local
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High
Affected products
- Huawei / CurieM-WFG9BOTA-CurieM-BIOS-2.29 – OTA-CurieM-BIOS-2.29