CVE:CVE-2018-18955
CNNVD:CNNVD-201811-498
Linux kernel是美国Linux基金会发布的开源操作系统Linux所使用的内核。
Linux kernel 4.15.x版本至4.19.2之前的4.19.x版本中的kernel/user_namespace.c文件的‘map_write()’函数存在安全漏洞。攻击者可利用该漏洞绕过对资源的访问控制。
solution:Upgrade linux linux_kernel to a higher version than 4.19.2,and avoid the version [4.15,4.19.2); Upgrade canonical ubuntu_linux to a higher version than 16.04,18.04,18.10,and avoid the version 16.04,18.04,18.10
solution:Upgrade icu-project international_components_for_unicode to a higher version than 63.1,and avoid the version 63.1