** Changed in: initramfs-tools (Ubuntu)
Status: In Progress => Fix Committed
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https://bugs.launchpad.net/bugs/2059739
Title:
initramfs-tools 0.142ubuntu23 copies host /etc/passwd into initramfs
Status in initramfs-tools package in Ubuntu:
Fix Committed
Bug description:
Recent changes to the dhcpd hook shipped with dhcpdinitramfs-tools
0.142ubuntu23 (noble-dev) copy the host /etc/passwd into the initramfs-image:
https://git.launchpad.net/ubuntu/+source/initramfs-tools/commit/hooks/dhcpcd?h=applied/ubuntu/noble&id=73c865b9d234087d977d7baa20852639746567fd
This has multiple problems:
* The passwd file is copied without checking if the dhcpcd user actually
exists (which is created by dhcpcd package, but only dhcpcd-base is installed
via dependencies)
* The change breaks dropbear-initramfs because the passwd file contains a
root user with a non existing home directory
* leaking user information into initramfs (which may or may not be a problem
on fully encrypted systems)
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