ksmbd: fix use-after-free of share_conf in compound request

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

CVE-2026-23428 · Microsoft / collected KEV context

cve-program · CVE-2026-23428

• https://git.kernel.org/stable/c/d08417981155883068b7260d9500ca306a03edac
• https://git.kernel.org/stable/c/eae0dc86f71e6f3294c0cd7ffc05039258d243af
• https://git.kernel.org/stable/c/806f13752652216db0c309392b4db3e64eeed4f2
• https://git.kernel.org/stable/c/c742b46a153d3ff95ff0825ab1950c87b9e14470
• https://git.kernel.org/stable/c/7f7468fd2a7554cea91b7d430335a3dbf01dcc09
• https://git.kernel.org/stable/c/a5929c2020ce54e1dcbd1078c0f30b8aaf73c105
• https://git.kernel.org/stable/c/c33615f995aee80657b9fdfbc4ee7f49c2bd733d

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