ALSA: PCM: Fix wait queue list corruption in snd_pcm_drain() on linked streams

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

CVE-2026-53242 · Microsoft / collected KEV context

cve-program · CVE-2026-53242

• https://git.kernel.org/stable/c/cac5bf3500ee6422cf64e0df0b5daeecfed42917
• https://git.kernel.org/stable/c/06eca2235a3fd281dddf25b0a97772b25b5bb573
• https://git.kernel.org/stable/c/d842f26a167e77a36f3ed333b9fa99d36ef99fe6
• https://git.kernel.org/stable/c/d68b621bb5a48051932f1017a6e1bc9b18f854d0
• https://git.kernel.org/stable/c/b053fcd8912f06c30f932f5b8ec41c72de474695
• https://git.kernel.org/stable/c/cd98837db15f323463b8df07282ac723bd5c3fed
• https://git.kernel.org/stable/c/7c71a9522555ff137a9ca36b15d759ca04d84788
• https://git.kernel.org/stable/c/88fe2e3658726cb21ff2dcf9770bf672f9b9d31b

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