CVE:CVE-2018-16888
CNNVD:CNNVD-201901-452
systemd是德国软件开发者Lennart Poettering和其他人共同研发的一款基于Linux的系统和服务管理器，它兼容了SysV和LSB的启动脚本，且提供了一个用来表示系统服务间依赖关系的框架。
systemd 237之前版本中存在安全漏洞，该漏洞源于程序在终止进程之前没有正确地检查PIDFile文件内容。本地攻击者可利用该漏洞终止其他服务或/和提升权限。
solution:Upgrade systemd_project systemd to a higher version than 237,and avoid the version (,237); Upgrade canonical ubuntu_linux to a higher version than 16.04,18.04,19.10,and avoid the version 16.04,18.04,19.10; Upgrade redhat enterprise_linux to a higher version than 7.0,and avoid the version 7.0; Upgrade netapp active_iq_performance_analytics_services to a higher version than -; Upgrade netapp element_software to a higher version than -