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A security bug in Systemd can be exploited over the network to , at best , potentially crash a vulnerable Linux machine , or , at worst , execute malicious code on the box .
 Systemd: vulnerable system; security bug: vulnerability; the network: vulnerable system; Linux machine: supported platform; execute malicious code: capabilities
Given event type and trigger, please tell me the arguments of all the listed option. Output format is "name1: role1; name2: role2". 
Event type: discover vulnerability 
  Option: vulnerable system owner, vulnerability, capabilities, time, vulnerable system version, discoverer, common vulnerabilities and exposures, supported platform, vulnerable system 
Text: {0} 
Answer:
 Systemd: vulnerable system; security bug: vulnerability; the network: vulnerable system; Linux machine: supported platform; execute malicious code: capabilities