https://github.com/torvalds/linux
Revision b20cf3f89c56b5f6a38b7f76a8128bf9f291bbd3 authored by Tzung-Bi Shih on 24 March 2023, 01:06:58 UTC, committed by Tzung-Bi Shih on 24 March 2023, 02:56:28 UTC
It is possible to peep kernel page's data by providing larger `insize`
in struct cros_ec_command[1] when invoking EC host commands.
Fix it by using zeroed memory.
[1]: https://elixir.bootlin.com/linux/v6.2/source/include/linux/platform_data/cros_ec_proto.h#L74
Fixes: eda2e30c6684 ("mfd / platform: cros_ec: Miscellaneous character device to talk with the EC")
Signed-off-by: Tzung-Bi Shih <tzungbi@kernel.org>
Reviewed-by: Guenter Roeck <groeck@chromium.org>
Link: https://lore.kernel.org/r/20230324010658.1082361-1-tzungbi@kernel.org
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Tip revision: b20cf3f89c56b5f6a38b7f76a8128bf9f291bbd3 authored by Tzung-Bi Shih on 24 March 2023, 01:06:58 UTC
platform/chrome: cros_ec_chardev: fix kernel data leak from ioctl
platform/chrome: cros_ec_chardev: fix kernel data leak from ioctl
Tip revision: b20cf3f
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| .clang-format | -rw-r--r-- | 20.0 KB |
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