net/smc: fix socket use-after-free during link group termination

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

CVE-2026-74493 · Microsoft / collected KEV context

cve-program · CVE-2026-74493

• https://git.kernel.org/stable/c/ff44f2df57fb5560bdc75eb977867643e764a262
• https://git.kernel.org/stable/c/9fb17c95b8f0683570fca1fb2792264147af937a
• https://git.kernel.org/stable/c/bea8dc14de2d56aca749d368563e6888217710a5
• https://git.kernel.org/stable/c/5a42f162b857019a4c10ff687dc3bcdf51831865
• https://git.kernel.org/stable/c/281c103a8eaed59001ce952f231df1b07674215a
• https://git.kernel.org/stable/c/f807a63d0d95680c34f677700da9148a07d7c78f
• https://git.kernel.org/stable/c/f0541a775d04c88e90ba448e35ce0d743512822a
• https://git.kernel.org/stable/c/f621d6ebeebb6374342571e4ddf45fdbc420f6cd

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