feat: Disable initramfs debug shell #1169
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RoyalOughtness merged 8 commits intosecureblue:livefrom Jul 9, 2025
furuycom:kargs-disable-initramfs-shell
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feat: Disable initramfs debug shell #1169RoyalOughtness merged 8 commits intosecureblue:livefrom furuycom:kargs-disable-initramfs-shell
RoyalOughtness merged 8 commits intosecureblue:livefrom
furuycom:kargs-disable-initramfs-shell
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Sorted now, sorry
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Needs to be added to remove-kargs-hardening as well
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Adds two kernel arguments to block access to the debug shell during early boot:
rd.shell=0rd.emergency=haltThese help prevent physical attacks where someone could drop into a debug shell and modify initramfs to run malicious code.
https://insinuator.net/2025/07/insecure-boot-injecting-initramfs-from-a-debug-shell/
https://www.omgubuntu.co.uk/2025/07/ubuntu-security-initramfs-bypass-encryption