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raja-grewal 2025-05-17 15:06:49 +10:00 • committed by GitHub
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etc/default/grub.d/40_kernel_hardening.cfg
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@ -226,7 +226,7 @@ GRUB_CMDLINE_LINUX="$GRUB_CMDLINE_LINUX vdso32=0"
## Disable EFI persistent storage feature.
## Disable Error Record Serialization Table (ERST) support as a form of defense-in-depth.
## Prevents the kernel from writing crash logs and other persistent data to the storage backend.
## Both the UEFI variable storage and ACPI ERST backends are inactivated.
## Both the UEFI variable storage and ACPI ERST backends are deactivated.
##
## https://blogs.oracle.com/linux/post/pstore-linux-kernel-persistent-storage-file-system
## https://www.ais.com/understanding-pstore-linux-kernel-persistent-storage-file-system/