openSUSE Leap 42.3 kernel update, mainly for L1TF fixes, as well as
SegmentSmack and FragmentSmack fixes.

- Update
patches.kernel.org/4.4.140-022-jbd2-don-t-mark-block-as-modified-if-the-hand.patch
(bnc#1012382 bsc#1099863 cve-2018-10883).
- commit 42e5dd5

- ext4: add corruption check in ext4_xattr_set_entry()
(bsc#1099844 cve-2018-10879).
- commit b2defde

- ext4: always verify the magic number in xattr blocks
(bsc#1099844 cve-2018-10879).
- commit 139cf26

- ext4: avoid running out of journal credits when appending to
an inline file (bsc#1099863 cve-2018-10883).
- commit d4c7497

- Update
patches.kernel.org/4.4.140-024-ext4-always-check-block-group-bounds-in-ext4_.patch
(bnc#1012382 bsc#1099813 cve-2018-10878).
- commit a08f402

- Update
patches.kernel.org/4.4.140-023-ext4-make-sure-bitmaps-and-the-inode-table-do.patch
(bnc#1012382 bsc#1099813 cve-2018-10878).
- commit 32f22d0

- Update
patches.kernel.org/4.4.140-025-ext4-only-look-at-the-bg_flags-field-if-it-is.patch
(bnc#1012382 bsc#1099811 cve-2018-10876).