ALSA: portman2x4: Check card index validity at probe

These records connect through source-stated identifiers. Shared identifiers or dates alone do not establish shared exposure, root cause or applicability.

CVE-2026-80966 · Microsoft / collected KEV context

cve-program · CVE-2026-80966

• https://git.kernel.org/stable/c/45ea0707298798678a60ff861b695aea049a5469
• https://git.kernel.org/stable/c/5d7ac5e9ee5ba76b567ace13b46075caf79dcca0
• https://git.kernel.org/stable/c/0048994854f3e9c57b7a754de43ef8da5818d140
• https://git.kernel.org/stable/c/64898e9bd8b7b229efa8642b85b56b326a6ec3dc
• https://git.kernel.org/stable/c/0ce391090809d610647f424b9b1dc24aa2c546fd
• https://git.kernel.org/stable/c/d7ef7890e3e35b4ba09e76fc6b72047a1599a5e8
• https://git.kernel.org/stable/c/e1ce8ad1009b1736b3044b3324350dcfdd516f42
• https://git.kernel.org/stable/c/3690ef20469d5959378260e2752f2314a2572913

No related operational record is retained in the current change model.