Vulnerability CVE-2024-42118


Published: 2024-07-30

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

drm/amd/display: Do not return negative stream id for array

[WHY]
resource_stream_to_stream_idx returns an array index and it return -1
when not found; however, -1 is not a valid array index number.

[HOW]
When this happens, call ASSERT(), and return a zero instead.

This fixes an OVERRUN and an NEGATIVE_RETURNS issues reported by Coverity.

 References:
https://git.kernel.org/stable/c/a76fa9c4f0fc0aa6f517da3fa7d7c23e8a32c7d0
https://git.kernel.org/stable/c/3ac31c9a707dd1c7c890b95333182f955e9dcb57

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