io_uring: fix filename leak in __io_openat_prep()

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

CVE-2025-68814 · Microsoft / collected KEV context

cve-program · CVE-2025-68814

• https://git.kernel.org/stable/c/2420ef01b2e836fbc05a0a8c73a1016504eb0458
• https://git.kernel.org/stable/c/8f44c4a550570cd5903625133f938c6b51310c9b
• https://git.kernel.org/stable/c/18b99fa603d0df5e1c898699c17d3b92ddc80746
• https://git.kernel.org/stable/c/e232269d511566b1f80872256a48593acc1becf4
• https://git.kernel.org/stable/c/7fbfb85b05bc960cc50e09d03e5e562131e48d45
• https://git.kernel.org/stable/c/b14fad555302a2104948feaff70503b64c80ac01

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