CVE:CVE-2018-1049
CNNVD:CNNVD-201802-875
systemd是德国Lennart Poettering软件开发者的一款基于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 234之前版本中存在竞争条件问题漏洞，该漏洞源于程序无法处理自动挂载请求。攻击者可利用该漏洞造成拒绝服务（进程挂起）。
solution:Upgrade systemd_project systemd to a higher version than 234,and avoid the version (,234); Upgrade redhat enterprise_linux to a higher version than 7.0,and avoid the version 7.0; Upgrade redhat enterprise_linux_aus to a higher version than 7.4,7.6,and avoid the version 7.4,7.6; Upgrade redhat enterprise_linux_desktop to a higher version than 7.0,and avoid the version 7.0; Upgrade redhat enterprise_linux_server to a higher version than 7.0,and avoid the version 7.0; Upgrade redhat enterprise_linux_server_aus to a higher version than 7.4,7.6,and avoid the version 7.4,7.6; Upgrade redhat enterprise_linux_server_eus to a higher version than 7.4,7.5,7.6,and avoid the version 7.4,7.5,7.6; Upgrade redhat enterprise_linux_server_tus to a higher version than 7.4,7.6,and avoid the version 7.4,7.6; Upgrade redhat enterprise_linux_workstation to a higher version than 7.0,and avoid the version 7.0; Upgrade canonical ubuntu_linux to a higher version than 14.04,16.04,and avoid the version 14.04,16.04; Upgrade debian debian_linux to a higher version than 8.0,and avoid the version 8.0