System Must Avoid Meltdown and Spectre Exploit Vulnerabilities in Modern Processors
Ubuntu 22.04
Ensure mitigations=off is not set in the kernel line in /etc/default/grub.
/etc/default/grub
^\s*GRUB_CMDLINE_LINUX="(?!.*\bmitigations=off\b.*).*"$
1
/etc/default/grub
^\s*GRUB_CMDLINE_LINUX_DEFAULT="(?!.*\bmitigations=off\b).*"$
1
/boot/grub/grub.cfg
^.*/vmlinuz.*(root=.*)$
1