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Change History

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

vduse: check that offset is within bounds in get_config()

This condition checks "len" but it does not check "offset" and that
could result in an out of bounds read if "offset > dev->config_size".
The problem is that since both variables are unsigned the
"dev->config_size - offset" subtraction would result in a very high
unsigned value.

I think these checks might not be necessary because "len" and "offset"
are supposed to alre

kernel.org https://git.kernel.org/stable/c/dc1db0060c02d119fd4196924eff2d1129e9a442 [No types assigned]

kernel.org https://git.kernel.org/stable/c/ebbbc5fea3f648175df1aa3f127c78eb0252cc2a [No types assigned]