CVE:CVE-2021-42059
CNNVD:CNNVD-202202-110
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固件存在缓冲区错误漏洞，该漏洞允许本地 root 用户访问 UEFI DXE 驱动程序并执行任意代码。
solution:Upgrade insyde insydeh2o to a higher version than 5.08.41,5.16.41,5.26.41,5.35.41,5.42.20,and avoid the version [5.0,5.08.41),[5.1,5.16.41),[5.2,5.26.41),[5.3,5.35.41),[5.4,5.42.20); Upgrade siemens simatic_field_pg_m5_firmware to a higher version than *; Upgrade siemens simatic_field_pg_m6_firmware to a higher version than *; Upgrade siemens simatic_ipc127e_firmware to a higher version than *; Upgrade siemens simatic_ipc227g_firmware to a higher version than *; Upgrade siemens simatic_ipc277g_firmware to a higher version than *; Upgrade siemens simatic_ipc327g_firmware to a higher version than *; Upgrade siemens simatic_ipc377g_firmware to a higher version than *; Upgrade siemens simatic_ipc427e_firmware to a higher version than *; Upgrade siemens simatic_ipc477e_firmware to a higher version than *; Upgrade siemens simatic_ipc627e_firmware to a higher version than *; Upgrade siemens simatic_ipc647e_firmware to a higher version than *; Upgrade siemens simatic_ipc677e_firmware to a higher version than *; Upgrade siemens simatic_ipc847e_firmware to a higher version than *; Upgrade siemens simatic_itp1000_firmware to a higher version than *