CVE:CVE-2019-3842
CNNVD:CNNVD-201904-418
systemd是德国Lennart Poettering个人开发者的一款基于Linux的系统和服务管理器。该产品兼容了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 v242-rc4版本中存在授权问题漏洞，该漏洞源于网络系统或产品缺乏有效的权限许可和访问控制措施。
solution:Upgrade systemd_project systemd to a higher version than 241,242:rc1,242:rc2,242:rc3,and avoid the version (,241],242:rc1,242:rc2,242:rc3; Upgrade redhat enterprise_linux to a higher version than 7.0,and avoid the version 7.0; Upgrade fedoraproject fedora to a higher version than 30,and avoid the version 30; Upgrade debian debian_linux to a higher version than 8.0,and avoid the version 8.0