dmaengine: Fix possible use after free

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

CVE-2026-72476 · Microsoft / collected KEV context

cve-program · CVE-2026-72476

• https://git.kernel.org/stable/c/444f96066937f3fdf0e79b53289cff223c7d638b
• https://git.kernel.org/stable/c/ab438a9efb9042c79d2f8db28a326d55feb8591f
• https://git.kernel.org/stable/c/9bdc8dce4068dadbdf7cf5ad6d4983e2afffedce
• https://git.kernel.org/stable/c/5876f38b67a309c00628942cb25679749b53b397
• https://git.kernel.org/stable/c/3b0240483dc977dbec4f3bc7a5383d4691ecb625
• https://git.kernel.org/stable/c/329ec20a86091d2a6e5b4fe507545e7d678a22a2
• https://git.kernel.org/stable/c/0bc191050c3253da8ef4bfaf157c44efed6e22cd
• https://git.kernel.org/stable/c/92f853f0645aebf1d05d333e97ab7c342ace1892

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