[Pkg-utopia-maintainers] libblockdev_2.20-7+deb10u1_source.changes ACCEPTED into proposed-updates->stable-new, proposed-updates

[Debian FTP Masters]

Accepted:

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Hash: SHA256

Format: 1.8
Date: Sat, 20 Jul 2019 23:18:18 +0200
Source: libblockdev
Architecture: source
Version: 2.20-7+deb10u1
Distribution: buster
Urgency: medium
Maintainer: Utopia Maintenance Team <pkg-utopia-maintainers at lists.alioth.debian.org>
Changed-By: Michael Biebl <biebl at debian.org>
Closes: 928893
Changes:
 libblockdev (2.20-7+deb10u1) buster; urgency=medium
 .
   [ intrigeri ]
   * Use existing cryptsetup API for changing keyslot passphrase.
     Cherry-pick upstream fix to use existing cryptsetup API for atomically
     changing a keyslot passphrase, instead of deleting the old keyslot
     before adding the new one. This avoids data loss when attempting to
     change the passphrase of a LUKS2 device via udisks2, e.g. from GNOME
     Disks.
     Deleting a keyslot and then adding one is risky: if anything goes wrong
     before the new keyslot is successfully added, no usable keyslot is left
     and the device cannot be unlocked anymore. There's little chances this
     causes actual problems with LUKS1, but LUKS2 defaults to the memory-hard
     Argon2 key derivation algorithm, which is implemented in cryptsetup with
     the assumption that it runs as root with no MEMLOCK ulimit; this
     assumption is wrong when run by udisks2.service under
     LimitMEMLOCK=65536, which breaks adding the new keyslot, and makes us
     hit the problematic situation (user data loss) every time.
     With this change, changing a LUKS2 passphrase via udisks2 will still
     fail in some cases, until the MEMLOCK ulimit problem is solved in
     cryptsetup or workaround'ed in udisks2. But at least, if it fails, it
     will fail _atomically_ and the original passphrase will still work.
     (Closes: #928893)
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 cc489f865e551e041eb56e5d533ed55981bec59f 12856 libblockdev_2.20-7+deb10u1.debian.tar.xz
 0bbc390da128acef689302307e2734f38bdf5c13 9334 libblockdev_2.20-7+deb10u1_source.buildinfo
Checksums-Sha256:
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Files:
 942d745f73bd614a684c5040dab2bd8a 5272 libs optional libblockdev_2.20-7+deb10u1.dsc
 94c00a865753f97ad80627168259efa1 12856 libs optional libblockdev_2.20-7+deb10u1.debian.tar.xz
 5c0a7df91ebad04c347e9a28d3210fb0 9334 libs optional libblockdev_2.20-7+deb10u1_source.buildinfo

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