CVE:CVE-2021-30715
CNNVD:CNNVD-202105-1563
Apple tvOS是美国苹果（Apple）公司的一套智能电视操作系统。
tvOS 存在输入验证错误漏洞，该漏洞源于操作系统内核子系统中用户提供的输入验证不足。远程攻击者利用该漏洞可以向系统发送特殊制作的消息并导致拒绝服务(DoS)攻击。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 mac_os_x to a higher version than 10.15.6,10.15.7,10.15.7:security_update_2020,10.15.7:security_update_2020-001,10.15.7:security_update_2020-005,10.15.7:security_update_2020-007,10.15.7:security_update_2021-001,10.15.7:security_update_2021-002,10.15.7:supplemental_update,and avoid the version [10.15,10.15.6],10.15.7,10.15.7:security_update_2020,10.15.7:security_update_2020-001,10.15.7:security_update_2020-005,10.15.7:security_update_2020-007,10.15.7:security_update_2021-001,10.15.7:security_update_2021-002,10.15.7:supplemental_update; Upgrade apple macos to a higher version than 11.4,and avoid the version [11.0,11.4); 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)