scsi: target: iscsi: Fix use-after-free in iscsit_dec_conn_usage_count()

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

CVE-2026-23216 · Microsoft / collected KEV context

cve-program · CVE-2026-23216

• https://git.kernel.org/stable/c/ba684191437380a07b27666eb4e72748be1ea201
• https://git.kernel.org/stable/c/8518f072fc92921418cd9ed4268dd4f3e9a8fd75
• https://git.kernel.org/stable/c/275016a551ba1a068a3bd6171b18611726b67110
• https://git.kernel.org/stable/c/73b487d44bf4f92942629d578381f89c326ff77f
• https://git.kernel.org/stable/c/48fe983e92de2c59d143fe38362ad17ba23ec7f3
• https://git.kernel.org/stable/c/3835e49e146a4e6e7787b29465f1a23379b6ec44
• https://git.kernel.org/stable/c/9411a89e9e7135cc459178fa77a3f1d6191ae903

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