slip: make slhc_remember() more robust against malicious packets

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

CVE-2024-50033 · Microsoft / collected KEV context

cve-program · CVE-2024-50033

• https://git.kernel.org/stable/c/ba6501ea06462d6404d57d5644cf2854db38e7d7
• https://git.kernel.org/stable/c/36b054324d18e51cf466134e13b6fbe3c91f52af
• https://git.kernel.org/stable/c/5e336384cc9b608e0551f99c3d87316ca3b0e51a
• https://git.kernel.org/stable/c/ff5e0f895315706e4ca5a19df15be6866cee4f5d
• https://git.kernel.org/stable/c/8bb79eb1db85a10865f0d4dd15b013def3f2d246
• https://git.kernel.org/stable/c/29e8d96d44f51cf89a62dd042be35d052833b95c
• https://git.kernel.org/stable/c/7d3fce8cbe3a70a1c7c06c9b53696be5d5d8dd5c

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