901
However , end users of Linux distributions are n't protected until each distribution merges the changes from upstream stable kernels , and then users install that updated release .
 patch vulnerability: updated release
Please tell me event type and its trigger word from given type options. Output format is "type: trigger".  Option: phishing, data breach, ransom, discover vulnerability, patch vulnerability 
Text: {0} 
Answer:
 patch vulnerability: updated release