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(parent: 3b899e9) | patch
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>
Thu, 29 Oct 2020 08:05:42 +0000 (09:05 +0100)
commit669c9582680cfcd5939b02898247234f0b75601e
tree44aa98ee94bd083bd95e3785c68959b7b10b6daetree | snapshot
parent3b899e92444008df7ddfebac25193e11f9fef4e0commit | 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 | history
Domain: System / Kernel;