tipc: fix UAF in tipc_l2_send_msg()

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

CVE-2026-74255 · Microsoft / collected KEV context

cve-program · CVE-2026-74255

• https://git.kernel.org/stable/c/609ced2301be1df7e7ed2ef47d1d916674e6ba3b
• https://git.kernel.org/stable/c/71aafa16d79b107b33837f60b6cbc7d0cb8c5708
• https://git.kernel.org/stable/c/f4002f1c669cc02e3763f479fc25ff1dfa9e2420
• https://git.kernel.org/stable/c/50ff092633b06382e5091dd5b093ce943d4ac2f9
• https://git.kernel.org/stable/c/aef12b5ce793dea6b3a97a58fd0f946000ae8945
• https://git.kernel.org/stable/c/0d8a12d7143126afdf9fbe2e3d438650dd6603ed
• https://git.kernel.org/stable/c/35e0297a93c3c34a3924eeef816c03504e3ab5c5
• https://git.kernel.org/stable/c/f4c3d89fc986b0da196ddfc6cfe0ea5d5d08bec6

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