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Change History

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

iio: accel: adxl380: Avoid reading more entries than present in FIFO

The interrupt handler reads FIFO entries in batches of N samples, where N
is the number of scan elements that have been enabled. However, the sensor
fills the FIFO one sample at a time, even when more than one channel is
enabled. Therefore,the number of entries reported by the FIFO status
registers may not be a multiple of N; if this number is not a multiple, the
number of entries read from the FIFO may exceed the number of entries
actually present.

To fix the above issue, round down the number of FIFO entries read from the
status registers so that it is always a multiple of N.

https://git.kernel.org/stable/c/a40f316085985f916ba1599fc303fdbc6a078e86

https://git.kernel.org/stable/c/a8e88edfd69df7b63c882aa53e61e7c078806ad7

https://git.kernel.org/stable/c/c1b14015224cfcccd5356333763f2f4f401bd810

https://git.kernel.org/stable/c/f42ddb2945ae4ce2b6f1c2e7aae9f14455a734d3