usb: gadget: u_audio: Fix use-after-free on sound card disconnect

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

CVE-2026-89736 · Microsoft / collected KEV context

cve-program · CVE-2026-89736

• https://git.kernel.org/stable/c/a7ecd1a04f4f485d7be6443d0f0b2c61a800cb82
• https://git.kernel.org/stable/c/f983793f03148b097977f200298db215cd2d4438
• https://git.kernel.org/stable/c/6f46762196f04464e1050a9ee94e72b917db9010
• https://git.kernel.org/stable/c/891a8d11f4d5eb50b2ce7570f4f98204a7a57493
• https://git.kernel.org/stable/c/c74ff0b1a0fca53d3ac185873c87d6a719b30a47
• https://git.kernel.org/stable/c/4e747c864a88537e18b1ffc19a1954c9686bb8e1
• https://git.kernel.org/stable/c/79a92896e2bb9471550c56fc23d8d93592f04c27
• https://git.kernel.org/stable/c/858965947081d10d41d9a1010a540d3d5eea958b

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