CVE:CVE-2022-31223
CNNVD:CNNVD-202209-730
Dell BIOS是美国戴尔（Dell）公司的一个计算机主板上小型内存芯片上的嵌入式软件。
Dell BIOS存在安全漏洞，该漏洞源于包含不正确的空字节中和漏洞，本地经过身份验证的管理员用户可能会通过发送意外的空字节来读取系统上的内存，从而潜在地利用此漏洞。
solution:Upgrade dell chengming_3900_firmware to a higher version than 1.1.66,and avoid the version (,1.1.66); Upgrade dell inspiron_14_plus_7420_firmware to a higher version than 1.2.0,and avoid the version (,1.2.0); Upgrade dell inspiron_16_plus_7620_firmware to a higher version than 1.2.0,and avoid the version (,1.2.0); Upgrade dell inspiron_3910_firmware to a higher version than 1.1.66,and avoid the version (,1.1.66); Upgrade dell inspiron_5320_firmware to a higher version than 1.1.0,and avoid the version (,1.1.0); Upgrade dell inspiron_5420_firmware to a higher version than 1.4.1,and avoid the version (,1.4.1); Upgrade dell inspiron_5620_firmware to a higher version than 1.4.1,and avoid the version (,1.4.1); Upgrade dell inspiron_7420_firmware to a higher version than 1.3.0,and avoid the version (,1.3.0); Upgrade dell inspiron_7620_firmware to a higher version than 1.3.0,and avoid the version (,1.3.0); Upgrade dell optiplex_3000_firmware to a higher version than 1.1.66,and avoid the version (,1.1.66); Upgrade dell optiplex_3000_thin_client_firmware to a higher version than 1.0.7,and avoid the version (,1.0.7); Upgrade dell optiplex_5000_firmware to a higher version than 1.3.62,and avoid the version (,1.3.62); Upgrade dell optiplex_5400_firmware to a higher version than 1.0.13,and avoid the version (,1.0.13); Upgrade dell optiplex_7000_firmware to a higher version than 1.3.62,and avoid the version (,1.3.62); Upgrade dell optiplex_7000_oem_firmware to a higher version than 1.3.62,and avoid the version (,1.3.62); Upgrade dell optiplex_7400_firmware to a higher version than 1.0.13,and avoid the version (,1.0.13); Upgrade dell precision_3460_small_form_factor_firmware to a higher version than 1.3.62,and avoid the version (,1.3.62); Upgrade dell precision_3660_tower_firmware to a higher version than 1.3.71,and avoid the version (,1.3.71); Upgrade dell precision_5770_firmware to a higher version than 1.6.0,and avoid the version (,1.6.0); Upgrade dell vostro_3710_firmware to a higher version than 1.1.66,and avoid the version (,1.1.66); Upgrade dell vostro_3910_firmware to a higher version than 1.1.66,and avoid the version (,1.1.66); Upgrade dell vostro_5320_firmware to a higher version than 1.1.0,and avoid the version (,1.1.0); Upgrade dell vostro_5620_firmware to a higher version than 1.4.1,and avoid the version (,1.4.1); Upgrade dell vostro_7620_firmware to a higher version than 1.2.0,and avoid the version (,1.2.0); Upgrade dell xps_17_9720_firmware to a higher version than 1.6.0,and avoid the version (,1.6.0)