media: mc, v4l2: serialize REINIT and REQBUFS with req_queue_mutex

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

CVE-2026-31473 · Microsoft / collected KEV context

cve-program · CVE-2026-31473

• https://git.kernel.org/stable/c/331242998a7ade5c2f65e14988901614629f3db5
• https://git.kernel.org/stable/c/2c685e99efb3b3bd2b78699fba6b1cf321975db0
• https://git.kernel.org/stable/c/585fd9a2063dacce8b2820f675ef23d5d17434c5
• https://git.kernel.org/stable/c/1a0d9083c24fbd5d22f7100f09d11e4d696a5f01
• https://git.kernel.org/stable/c/d8549a453d5bdc0a71de66ad47a1106703406a56
• https://git.kernel.org/stable/c/72b9e81e0203f03c40f3adb457f55bd4c8eb112d
• https://git.kernel.org/stable/c/cf2023e84f0888f96f4b65dc0804e7f3651969c1
• https://git.kernel.org/stable/c/bef4f4a88b73e4cc550d25f665b8a9952af22773

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