ipv6: prevent possible NULL deref in fib6_nh_init()

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

CVE-2024-40961 · Microsoft / collected KEV context

cve-program · CVE-2024-40961

• https://git.kernel.org/stable/c/3200ffeec4d59aad5bc9ca75d2c1fae47c0aeade
• https://git.kernel.org/stable/c/de5ad4d45cd0128a2a37555f48ab69aa19d78adc
• https://git.kernel.org/stable/c/4cdfe813015d5a24586bd0a84fa0fa6eb0a1f668
• https://git.kernel.org/stable/c/88b9a55e2e35ea846d41f4efdc29d23345bd1aa4
• https://git.kernel.org/stable/c/b6947723c9eabcab58cfb33cdb0a565a6aee6727
• https://git.kernel.org/stable/c/ae8d3d39efe366c2198f530e01e4bf07830bf403
• https://git.kernel.org/stable/c/2eab4543a2204092c3a7af81d7d6c506e59a03a6

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