tcp: Clear tcp_sk(sk)->fastopen_rsk in tcp_disconnect().

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

CVE-2025-39955 · Microsoft / collected KEV context

cve-program · CVE-2025-39955

• https://git.kernel.org/stable/c/7ec092a91ff351dcde89c23e795b73a328274db6
• https://git.kernel.org/stable/c/a4378dedd6e07e62f2fccb17d78c9665718763d0
• https://git.kernel.org/stable/c/33a4fdf0b4a25f8ce65380c3b0136b407ca57609
• https://git.kernel.org/stable/c/17d699727577814198d744d6afe54735c6b54c99
• https://git.kernel.org/stable/c/dfd06131107e7b699ef1e2a24ed2f7d17c917753
• https://git.kernel.org/stable/c/fa4749c065644af4db496b338452a69a3e5147d9
• https://git.kernel.org/stable/c/ae313d14b45eca7a6bb29cb9bf396d977e7d28fb
• https://git.kernel.org/stable/c/45c8a6cc2bcd780e634a6ba8e46bffbdf1fc5c01

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