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| H A D | ext4_extents.h | diff bc890a60247171294acc0bd67d211fa4b88d40ba Thu Jun 14 11:55:10 CDT 2018 Theodore Ts'o <tytso@mit.edu> ext4: verify the depth of extent tree in ext4_find_extent()
If there is a corupted file system where the claimed depth of the
extent tree is -1, this can cause a massive buffer overrun leading to
sadness.
This addresses CVE-2018-10877.
https://bugzilla.kernel.org/show_bug.cgi?id=199417
Signed-off-by: Theodore Ts'o <tytso@mit.edu>
Cc: stable@kernel.org
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| H A D | extents.c | diff bc890a60247171294acc0bd67d211fa4b88d40ba Thu Jun 14 11:55:10 CDT 2018 Theodore Ts'o <tytso@mit.edu> ext4: verify the depth of extent tree in ext4_find_extent()
If there is a corupted file system where the claimed depth of the
extent tree is -1, this can cause a massive buffer overrun leading to
sadness.
This addresses CVE-2018-10877.
https://bugzilla.kernel.org/show_bug.cgi?id=199417
Signed-off-by: Theodore Ts'o <tytso@mit.edu>
Cc: stable@kernel.org
|