Vulnerability Information
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Vulnerability Title
N/A
Vulnerability Description
DMA attacks on the parameter buffer used by the VariableRuntimeDxe software SMI handler could lead to a TOCTOU attack. DMA attacks on the parameter buffer used by the software SMI handler used by the driver VariableRuntimeDxe could lead to a TOCTOU attack on the SMI handler and lead to corruption of SMRAM. This issue was discovered by Insyde engineering during a security review. This issue is fixed in Kernel 5.4: 05.44.23 and Kernel 5.5: 05.52.23. CWE-367 CWE-367 Report at: https://www.insyde.com/security-pledge/SA-2022056
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）。 Insyde InsydeH2O VariableRuntimeDxe 存在安全漏洞，该漏洞源于 SMI handler 的输入缓冲区易受到直接内存访问（DMA）攻击。
CVSS Information
N/A
Vulnerability Type
N/A