CVE:CVE-2021-1816
CNNVD:CNNVD-202104-1938
Apple Kernel是美国苹果（Apple）公司的Apple设备的内核。
Apple Kernel 存在安全漏洞，该漏洞源于恶意应用程序可以使用内核特权执行任意代码。以下产品及版本受到影响：iPhone 6s and later, iPad Pro (all models), iPad Air 2 and later, iPad 5th generation and later, iPad mini 4 and later, and iPod touch (7th generation)。
solution:Upgrade apple ipados to a higher version than 14.5,and avoid the version (,14.5); Upgrade apple iphone_os to a higher version than 14.5,and avoid the version (,14.5); Upgrade apple tvos to a higher version than 14.5,and avoid the version (,14.5); Upgrade apple watchos to a higher version than 7.4,and avoid the version (,7.4)