drm/amd/display: Skip finding free audio for unknown engine_id
In the Linux kernel, the following vulnerability has been resolved: drm/amd/display: Skip finding free audio for unknown engine_id [WHY] ENGINE_ID_UNKNOWN = -1 and can not be used as an array index. Plus, it also means it is uninitialized and does not need free audio. [HOW] Skip and return NULL. This fixes 2 OVERRUN issues reported by Coverity.
02 / AFFECTED SOFTWARE
Affected packages
03 / CONNECTIONS
Connected vulnerabilities
04 / EVIDENCE
Source records
In the Linux kernel, the following vulnerability has been resolved: drm/amd/display: Skip finding free audio for unknown engine_id [WHY] ENGINE_ID_UNKNOWN = -1 and can not be used as an array index. Plus, it also means it is uninitialized and does not need free audio. [HOW] Skip and return NULL. This fixes 2 OVERRUN 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/1357b2165d9ad94faa4c4a20d5e2ce29c2ff29c3
- https://git.kernel.org/stable/c/874261358d31fc772f2823604167e670983cc1ca
- https://git.kernel.org/stable/c/881fb6afc0004c5e6392ae2848f825bf051dae14
- https://git.kernel.org/stable/c/95ad20ee3c4efbb91f9a4ab08e070aa3697f5879
- https://git.kernel.org/stable/c/9eb4db08a808e3a3ba59193aeb84a57a6dc4d8c9
- https://git.kernel.org/stable/c/afaaebdee9bb9f26d9e13cc34b33bd0a7bf59488
- https://git.kernel.org/stable/c/eacca028a623f608607d02457122ee5284491e18
- https://git.kernel.org/stable/c/ffa7bd3ca9cfa902b857d1dc9a5f46fededf86c8
- https://github.com/CVEProject/cvelistV5/tree/main/cves/2024/42xxx/CVE-2024-42119.json
- https://lists.debian.org/debian-lts-announce/2025/01/msg00001.html
- https://nvd.nist.gov/vuln/detail/CVE-2024-42119