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CVE -2018-16864 can be exploited by malware running on a Linux box , or a malicious logged - in user , to crash and potentially hijack the systemd - journald system service , elevating access from user to root .
 CVE -2018-16864: common vulnerabilities and exposures; crash and potentially hijack the systemd - journald system service: capabilities; a Linux box: vulnerable system; elevating access from user to root: 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:
 CVE -2018-16864: common vulnerabilities and exposures; crash and potentially hijack the systemd - journald system service: capabilities; a Linux box: vulnerable system; elevating access from user to root: capabilities