CVE:CVE-2021-30955
CNNVD:CNNVD-202108-2057
Apple iOS和Apple iPadOS都是美国苹果（Apple）公司的产品。Apple iOS是一套为移动设备所开发的操作系统。Apple iPadOS是一套用于iPad平板电脑的操作系统。
Apple iOS and iPadOS Kernel 存在竞争条件问题漏洞，该漏洞源于恶意的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及以上、iPad Pro(所有型号)、iPad Air 2及以上、iPad 5及以上、iPad mini 4及以上、iPod touch(第7代)。
solution:Upgrade apple ipados to a higher version than 15.2,and avoid the version (,15.2); Upgrade apple iphone_os to a higher version than 15.2,and avoid the version (,15.2); Upgrade apple macos to a higher version than 12.1,and avoid the version (,12.1); Upgrade apple tvos to a higher version than 15.2,and avoid the version (,15.2); Upgrade apple watchos to a higher version than 8.3,and avoid the version (,8.3)