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

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

CVE-2026-23193 · Microsoft / collected KEV context

cve-program · CVE-2026-23193

• https://git.kernel.org/stable/c/2b64015550a13bcc72910be0565548d9a754d46d
• https://git.kernel.org/stable/c/fd8b0900173307039d3a84644c2fee041a7ed4fb
• https://git.kernel.org/stable/c/d8dbdc146e9e9a976931b78715be2e91299049f9
• https://git.kernel.org/stable/c/11ebafffce31efc6abeb28c509017976fc49f1ca
• https://git.kernel.org/stable/c/41b86a9ec037bd3435d68dd3692f0891a207e7e7
• https://git.kernel.org/stable/c/4530f4e4d0e6a207110b0ffed0c911bca43531a4
• https://git.kernel.org/stable/c/84dc6037390b8607c5551047d3970336cb51ba9a

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