Vulnerability Information
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Vulnerability Title
N/A
Vulnerability Description
An issue was discovered in IhisiSmm in Insyde InsydeH2O with kernel 5.0 through 5.5. The IhisiDxe driver uses the command buffer to pass input and output data. By modifying the command buffer contents with DMA after the input parameters have been checked but before they are used, the IHISI SMM code may be convinced to modify SMRAM or OS, leading to possible data corruption or escalation of privileges.
CVSS Information
N/A
Vulnerability Type
N/A
Vulnerability Title
Insyde InsydeH2O 安全漏洞
Vulnerability Description
Insyde InsydeH2O是中国台湾系微（Insyde）公司的一个 C 语言源，它实现了新技术“EFI/UEFI”规范，旨在取代传统的 BIOS（基本输入/输出系统）。 IhisiSmm in Insyde InsydeH2O with kernel 5.0版本至5.5版本存在安全漏洞，该漏洞源于IhisiDxe驱动程序使用命令缓冲区传递输入和输出数据，从而导致数据损坏或权限升级。
CVSS Information
N/A
Vulnerability Type
N/A