CVE:CVE-2021-30740
CNNVD:CNNVD-202105-1555
Apple tvOS是美国苹果（Apple）公司的一套智能电视操作系统。
tvOS 存在权限许可和访问控制问题漏洞，该漏洞源于操作系统内核子系统的权限管理不当。本地攻击者可以利用该漏洞使用内核权限在系统上执行任意代码。受影响的产品及版本:tvOS: 14.0 18J386、14.0.1 18J400、14.0.2 18J411、14.2 18K57、14.3 18K561、14.4 18K802、14.5 18L204
solution:Upgrade apple ipados to a higher version than 14.6,and avoid the version (,14.6); Upgrade apple iphone_os to a higher version than 14.6,and avoid the version (,14.6); Upgrade apple macos to a higher version than 11.4,and avoid the version [11.0.1,11.4); Upgrade apple tvos to a higher version than 14.6,and avoid the version (,14.6); Upgrade apple watchos to a higher version than 7.5,and avoid the version (,7.5)