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mmc: sdio: Check for CISTPL_VERS_1 buffer size
authorPali Rohár <pali@kernel.org>
Mon, 27 Jul 2020 13:38:34 +0000 (15:38 +0200)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Fri, 30 Oct 2020 09:38:28 +0000 (10:38 +0100)
commitac91e46ccec41c96b274952ba34be1cf98777b95
tree64ee1f5377760fa346dce4d51c8fd89449c3c3c9tree
parent69343448dba8a23acc26b92eef5b78748d9d51fdcommit | diff
mmc: sdio: Check for CISTPL_VERS_1 buffer size

[ Upstream commit 8ebe2607965d3e2dc02029e8c7dd35fbe508ffd0 ]

Before parsing CISTPL_VERS_1 structure check that its size is at least two
bytes to prevent buffer overflow.

Signed-off-by: Pali Rohár <pali@kernel.org>
Link: https://lore.kernel.org/r/20200727133837.19086-2-pali@kernel.org
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
drivers/mmc/core/sdio_cis.c diff | blob | blame | history
Mirror https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git