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Groups > linux.debian.kernel > #61783 > unrolled thread

Bug#905920: (no subject)

Started byNazar Mokrynskyi <nazar@mokrynskyi.com>
First post2018-08-11 20:30 +0200
Last post2018-08-11 22:00 +0200
Articles 2 — 2 participants

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  Bug#905920: (no subject) Nazar Mokrynskyi <nazar@mokrynskyi.com> - 2018-08-11 20:30 +0200
    Bug#905920: marked as done ((no subject)) "Debian Bug Tracking System" <owner@bugs.debian.org> - 2018-08-11 22:00 +0200

#61783 — Bug#905920: (no subject)

FromNazar Mokrynskyi <nazar@mokrynskyi.com>
Date2018-08-11 20:30 +0200
SubjectBug#905920: (no subject)
Message-ID<wlGOe-8ip-5@gated-at.bofh.it>
Package: initramfs-tools
Version: 0.131ubuntu8
Severity: normal
Tags: security

I have fully encrypted (UEFI, LUKS, BTRFS) system and in order to avoid typing password for the second time after GRUB2 added `keyscript` option to `/etc/crypttab`.
Keyscript file is only readable by root, however, resulting `initrd.img*` file is readable by anyone, which I think is a security issue.
I'd like to see `initrd.img*` files to also be readable by root user only.

-- Package-specific info:
-- initramfs sizes
-rw-r--r-- 1 root root 53M Aug 11 19:50 /boot/initrd.img-4.17.0-5-generic
-rw-r--r-- 1 root root 53M Aug 11 19:49 /boot/initrd.img-4.17.0-6-generic
-rw-r--r-- 1 root root 53M Aug 11 19:49 /boot/initrd.img-4.17.0-7-generic
-- /proc/cmdline
BOOT_IMAGE=/root/boot/vmlinuz-4.17.0-5-generic root=UUID=5170aca4-061a-4c6c-ab00-bd7fc8ae6030 ro rootflags=subvol=root nosplash intel_pstate=disable scsi_mod.use_blk_mq=1 intel_iommu=on i915.fastboot=1

-- /etc/crypttab
# <target name>	<source device>		<key file>	<options>
system UUID=739967f1-9770-470a-a031-8d8b8bcdb350 none luks,discard,keyscript=/etc/cryptroot/system.64.sh

-- System Information:
Debian Release: buster/sid
  APT prefers cosmic-proposed
  APT policy: (500, 'cosmic-proposed'), (500, 'cosmic')
Architecture: amd64 (x86_64)

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#61784 — Bug#905920: marked as done ((no subject))

From"Debian Bug Tracking System" <owner@bugs.debian.org>
Date2018-08-11 22:00 +0200
SubjectBug#905920: marked as done ((no subject))
Message-ID<wlIdk-y4-1@gated-at.bofh.it>
In reply to#61783

[Multipart message — attachments visible in raw view] — view raw

Your message dated Sat, 11 Aug 2018 20:49:03 +0100
with message-id <d7aa562f7c1667fd76093aaf9211ffa933abb0b1.camel@decadent.org.uk>
and subject line Re: Bug#905920: (no subject)
has caused the Debian Bug report #905920,
regarding (no subject)
to be marked as done.

This means that you claim that the problem has been dealt with.
If this is not the case it is now your responsibility to reopen the
Bug report if necessary, and/or fix the problem forthwith.

(NB: If you are a system administrator and have no idea what this
message is talking about, this may indicate a serious mail system
misconfiguration somewhere. Please contact owner@bugs.debian.org
immediately.)


-- 
905920: https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=905920
Debian Bug Tracking System
Contact owner@bugs.debian.org with problems

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