Vulnerability Information
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Vulnerability Title
N/A
Vulnerability Description
An issue was discovered in SdHostDriver in the kernel 5.0 through 5.5 in Insyde InsydeH2O. There is an SMM callout that allows an attacker to access the System Management Mode and execute arbitrary code. This occurs because of a Numeric Range Comparison Without a Minimum Check.
CVSS Information
N/A
Vulnerability Type
N/A
Vulnerability Title
Insyde InsydeH2O 缓冲区错误漏洞
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）。 InsydeH2O Hardware-2-Operating System (H2O) UEFI固件存在安全漏洞，攻击者可以使用这个不安全的指针ptr来读取或写入或操作 SMRAM 中的数据。利用此漏洞可能会导致使用 SwSMI 处理程序仅为 SMM 保留的权限升级。
CVSS Information
N/A
Vulnerability Type
N/A