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Change History

In the Linux kernel, the following vulnerability has been resolved:

media: imx-jpeg: Align upwards buffer size

The hardware can support any image size WxH,
with arbitrary W (image width) and H (image height) dimensions.

Align upwards buffer size for both encoder and decoder.
and leave the picture resolution unchanged.

For decoder, the risk of memory out of bounds can be avoided.
For both encoder and decoder, the driver will lift the limitation of
resolution alignment.

For example, the decoder can support jpeg whose resolution is 227x149
the encoder can support nv12 1080P, won't change it to 1920x1072.

https://git.kernel.org/stable/c/447795ffb17cd60bb544e0abfc9399e180a14a2f

https://git.kernel.org/stable/c/73d1836ed7911953182b787745cb8c5857a2661c

https://git.kernel.org/stable/c/9ae2d729de6350c53a06c57782751d84eb2c08d9

https://git.kernel.org/stable/c/9e7aa76cdb02923ee23a0ddd48f38bdc3512f92b