net/smc: check smcd_v2_ext_offset when receiving proposal msg

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

CVE-2024-47408 · Microsoft / collected KEV context

cve-program · CVE-2024-47408

• https://git.kernel.org/stable/c/35da53027c1f2efdd7d0177dc00584134204761a
• https://git.kernel.org/stable/c/a36364d8d4fabb105001f992fb8ff2d3546203d6
• https://git.kernel.org/stable/c/e1cc8be2a785a8f1ce1f597f3e608602c5fccd46
• https://git.kernel.org/stable/c/935caf324b445fe73d7708fae6f7176fb243f357
• https://git.kernel.org/stable/c/48d5a8a304a643613dab376a278f29d3e22f7c34
• https://git.kernel.org/stable/c/9ab332deb671d8f7e66d82a2ff2b3f715bc3a4ad

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