CVE:CVE-2019-20386
CNNVD:CNNVD-202001-901
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 243之前版本中的login/logind-button.c文件的button_open存在安全漏洞。攻击者可利用该漏洞造成内存泄漏。
solution:Upgrade systemd_project systemd to a higher version than 243,and avoid the version (,243); 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 fedoraproject fedora to a higher version than 30,and avoid the version 30; Upgrade opensuse leap to a higher version than 15.1,and avoid the version 15.1; Upgrade netapp active_iq_unified_manager to a higher version than -; Upgrade netapp cloud_backup to a higher version than -; Upgrade netapp steelstore_cloud_integrated_storage to a higher version than -