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Blacklist kernel modules and remove lockdown defaults in mantle variants - #4963
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piyush-jena merged 2 commits intoNov 7, 2026
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Signed-off-by: Piyush Jena <jepiyush@amazon.com>
Signed-off-by: Piyush Jena <jepiyush@amazon.com>
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Post rebase: [root@admin]# cat /proc/cmdline
SYSTEMD_DEFAULT_MOUNT_RATE_LIMIT_BURST=25 fips=1 lockdown=integrity module.sig_enforce=1 module_blacklist=binfmt_misc,efivarfs,i8042 sysctl.kernel.kexec_load_disabled=1 systemd.mask=proc-sys-fs-binfmt_misc.mount console=tty0 console=ttyS0,115200n8 net.ifnames=0 netdog.default-interface=eth0:dhcp4,dhcp6? quiet nvidia.NVreg_CoherentGPUMemoryMode=driver root=/dev/dm-0 rootwait ro raid=noautodetect random.trust_cpu=on selinux=1 enforcing=1 dm-mod.create="root,,,ro,0 1638272 verity 1 PARTUUID=39B8EABA-F97E-4682-865E-D80C1E5FD08B/PARTNROFF=1 PARTUUID=39B8EABA-F97E-4682-865E-D80C1E5FD08B/PARTNROFF=2 4096 4096 204784 1 sha256 8bad2eaeec18c465d04471f22cd8af22ea06898ee700f05d62f14ba502c134f6 8ac9373c72c93ecfc2aaad1a09b361cd142c9b8682e889866367f81ba77bf2e1 2 restart_on_corruption ignore_zero_blocks" -- systemd.unit=fipscheck.target systemd.log_target=journal-or-kmsg systemd.log_color=0 systemd.show_status=trueThe required values are set: lockdown=integrity
module.sig_enforce=1
module_blacklist=binfmt_misc,efivarfs,i8042
sysctl.kernel.kexec_load_disabled=1
systemd.mask=proc-sys-fs-binfmt_misc.mountPCRs in instance match the predicted ones :) |
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Requires bootconfig fixes in bottlerocket-os/twoliter#745
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By submitting this pull request, I agree that this contribution is dual-licensed under the terms of both the Apache License, version 2.0, and the MIT license.