ipv6: prevent in6_dev_get() from resurrecting inet6_dev

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

CVE-2026-74630 · Microsoft / collected KEV context

cve-program · CVE-2026-74630

• https://git.kernel.org/stable/c/785d908f8d21c8bc78b6fb2c2932ab662bf6918a
• https://git.kernel.org/stable/c/aedcfefdb5b7ed7f8a6196a3e68a25bdbe51d2f8
• https://git.kernel.org/stable/c/145812b678de9f3b59780173be3c0d22ed60dd93
• https://git.kernel.org/stable/c/cc5bd568f9b7683e60841b6fd02c10d64535bd6e
• https://git.kernel.org/stable/c/1c206d461c680c3151daa3c89fc26eaf5bf98a7f
• https://git.kernel.org/stable/c/680fbd7942185448eadb990a3d10a53eb946b702
• https://git.kernel.org/stable/c/14e812ab41df0cac033479da835ec9a5de633404
• https://git.kernel.org/stable/c/0e243671bc7b8eaf00f83dd2f4367436dc0cff98

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