Meltdown and Spectre vulnerabilities are critical hardware vulnerabilities in the modern processors that leak passwords and sensitive data from your system with the help of malicious program. To know more about this click here.
Check Spectre and Meltdown vulnerability in Ubuntu:
To check Spectre and Meltdown in your Ubuntu system, open terminal app. In the terminal, type the below command and hit enter key.
Then run the below command in terminal. this will download the Spectre and Meltdown vulnerability checking script.
Then execute the below command to run the Spectre and Meltdown vulnerability checking script.
sudo sh spectre-meltdown-checker.sh
Then type your ubuntu password.
This will check Meltdown and Spectre vulnerabilities in your system and shows the result. If result shows as “status: vulnerable,” then your system is vulnerable.
To protect your system, you need to update your OS, kernel and browsers to the latest available versions.