CVE:CVE-2020-13529
CNNVD:CNNVD-202104-1912
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 存在安全漏洞，该漏洞源于在处理DHCP ACK数据包时使用了可预测的事务标识符。以下产品及版本受到影响：216, 217, 218, 219, 220, 221, 222, 223, 224, 225, 226, 227, 228, 229, 230, 231, 232, 233, 234, 235, 236, 237, 238, 239, 240, 241, 241 rc1, 241 rc2, 242, 242 rc1, 242 rc2, 242 rc3, 242 rc4, 243, 243 rc1, 243 rc2, 243.1, 243.2, 243.3, 243.4, 243.6, 243.7, 243.8, 243.9, 244, 244 rc1, 244.1, 244.2, 244.3, 244.4, 244.5, 245, 245 rc1, 245.1, 245.2, 245.3, 245.4, 245.5, 245.6, 245.7, 245.8, 245.9, 246, 246.1, 246.2, 246.3, 246.4, 246.5, 246.6, 246.7, 246.8, 246.9, 246.10, 246.11, 246.12, 246.13, 247, 247.1, 247.2, 247.3, 247.4, 247.5, 247.6。
solution:Upgrade systemd_project systemd to a higher version than 245,and avoid the version 245; Upgrade fedoraproject fedora to a higher version than 33,and avoid the version 33; Upgrade netapp active_iq_unified_manager to a higher version than -; Upgrade netapp cloud_backup to a higher version than -