diff options
| author | Theodore Ts'o <tytso@mit.edu> | 2016-11-18 13:00:24 -0500 |
|---|---|---|
| committer | Sasha Levin <alexander.levin@verizon.com> | 2017-01-12 20:56:53 -0500 |
| commit | 526cfedac0b3e2a4fd19bd43f34be2a52e002234 (patch) | |
| tree | 20136565f4e85511d564ac4106e008483a17f1c4 /security | |
| parent | c2404d06b82e0ca6a9b457d3901b5aa5624a85d7 (diff) | |
ext4: sanity check the block and cluster size at mount time
[ Upstream commit 9e47a4c9fc58032ee135bf76516809c7624b1551 ]
If the block size or cluster size is insane, reject the mount. This
is important for security reasons (although we shouldn't be just
depending on this check).
Ref: http://www.securityfocus.com/archive/1/539661
Ref: https://bugzilla.redhat.com/show_bug.cgi?id=1332506
Reported-by: Borislav Petkov <bp@alien8.de>
Reported-by: Nikolay Borisov <kernel@kyup.com>
Signed-off-by: Theodore Ts'o <tytso@mit.edu>
Cc: stable@vger.kernel.org
Signed-off-by: Sasha Levin <alexander.levin@verizon.com>
Diffstat (limited to 'security')
0 files changed, 0 insertions, 0 deletions