Vlad Tsyrklevich 30f939feae i2c: fix kernel memory disclosure in dev interface ...

i2c_smbus_xfer() does not always fill an entire block, allowing
kernel stack memory disclosure through the temp variable. Clear
it before it's read to.

Signed-off-by: Vlad Tsyrklevich <vlad@tsyrklevich.net>
Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
Cc: stable@kernel.org

2017-01-12 20:06:10 +01:00

18 KiB

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