sctp: fix auth_chunk_list capacity check in sctp_auth_ep_add_chunkid

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

CVE-2026-68320 · Microsoft / collected KEV context

cve-program · CVE-2026-68320

• https://git.kernel.org/stable/c/3d22a7da2e264f407c729f33a0a346ff76108bc6
• https://git.kernel.org/stable/c/6837c1c19a259518974cbc5a52017646e3906564
• https://git.kernel.org/stable/c/54bb4c03fa17cdcb157c26c33e60a78cf32960f5
• https://git.kernel.org/stable/c/5a365f1e423444c5da7eb689a8661633dad43e48
• https://git.kernel.org/stable/c/886e28e14ab655012779016d251fef53d103aa12
• https://git.kernel.org/stable/c/11092d79eb2b7c0068382f72fc2416d1786bb2e0
• https://git.kernel.org/stable/c/b6ea3dda09eb4d5caf7bbc00f857688cf9e98255
• https://git.kernel.org/stable/c/ff04b26794a16a8a879eb4fd2c02c2d6b03850e9

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