rxrpc: reject undecryptable rxkad response tickets

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

CVE-2026-31637 · Microsoft / collected KEV context

cve-program · CVE-2026-31637

• https://git.kernel.org/stable/c/252157d939d179b5d767cb860ff8fa7f8723b67a
• https://git.kernel.org/stable/c/a75b3b361dd481d942c5f259a82d59718a41092c
• https://git.kernel.org/stable/c/b3a808cd0790b5075aaa2bc3588edf02cd71d352
• https://git.kernel.org/stable/c/47073aab8a3a5a7b41c9bd37d2a3dcbeeccd6c8a
• https://git.kernel.org/stable/c/a149dcae23309df9de1c3b6b5d468610ef5ab7de
• https://git.kernel.org/stable/c/22f6258e7b31dba9bf88dce4e3ee7f0f20072e60
• https://git.kernel.org/stable/c/58fcd1b156152613ba00a064a129fb69507ddd7d
• https://git.kernel.org/stable/c/fe4447cd95623b1cfacc15f280aab73a6d7340b2

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