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(parent: f272a15) | patch
udf_get_extendedattr() had no boundary checks.
authorStian Skjelstad <stian.skjelstad@gmail.com>
Sun, 22 Aug 2021 09:33:32 +0000 (11:33 +0200)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Wed, 15 Sep 2021 08:00:31 +0000 (10:00 +0200)
commita0bfcc2c8df07d71e34c15a57d92e55a77a3831c
tree4420a2af06e57b152b80540b92901bb966a6367btree
parentf272a15a67466bf02924cd46e74584b19d416603commit | diff
udf_get_extendedattr() had no boundary checks.

[ Upstream commit 58bc6d1be2f3b0ceecb6027dfa17513ec6aa2abb ]

When parsing the ExtendedAttr data, malicous or corrupt attribute length
could cause kernel hangs and buffer overruns in some special cases.

Link: https://lore.kernel.org/r/20210822093332.25234-1-stian.skjelstad@gmail.com
Signed-off-by: Stian Skjelstad <stian.skjelstad@gmail.com>
Signed-off-by: Jan Kara <jack@suse.cz>
Signed-off-by: Sasha Levin <sashal@kernel.org>
fs/udf/misc.c diff | blob | blame | history
Mirror https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git