sctp: fix auth_hmacs array size in struct sctp_cookie

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

CVE-2026-68376 · Microsoft / collected KEV context

cve-program · CVE-2026-68376

• https://git.kernel.org/stable/c/317731d01b03c529809df36d3a7d149677a8729d
• https://git.kernel.org/stable/c/0528485f27016a42804abe01aa61b39d85fa803e
• https://git.kernel.org/stable/c/ee5e65964f456adfe14d526fba0bd055de98ecf3
• https://git.kernel.org/stable/c/0b4414e43e0861d67276031cc21401d7e87de3da
• https://git.kernel.org/stable/c/d0a59ba58578e2b330fff80a44fe519f3ba7d8c7
• https://git.kernel.org/stable/c/a8d20ba0ab518c9ccbcde258f25fc1ee6e51d5db
• https://git.kernel.org/stable/c/3aa40c3bccac2312ea7cf97f329190637f972b5d
• https://git.kernel.org/stable/c/e0b5252a59383b77d1b8dbeda00b7184dd95f4d3

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