drm/amd/display: Do not return negative stream id for array
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.
02 / AFFECTED SOFTWARE
Affected packages
04 / EVIDENCE
Source records
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.
05 / REFERENCES
Further evidence
- https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
- https://git.kernel.org/stable/c/3ac31c9a707dd1c7c890b95333182f955e9dcb57
- https://git.kernel.org/stable/c/a76fa9c4f0fc0aa6f517da3fa7d7c23e8a32c7d0
- https://github.com/CVEProject/cvelistV5/tree/main/cves/2024/42xxx/CVE-2024-42118.json
- https://nvd.nist.gov/vuln/detail/CVE-2024-42118