ksmbd: prevent out-of-bounds reads in share config responses

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

CVE-2026-89792 · Microsoft / collected KEV context

cve-program · CVE-2026-89792

• https://git.kernel.org/stable/c/df8aa4a09733c4d3974b1db32c1782b3aad3a151
• https://git.kernel.org/stable/c/0127f1c119bde40578f4d25f5d17333b4e75de8c
• https://git.kernel.org/stable/c/fd636a87161def6e35876ab7943641ce457974c8
• https://git.kernel.org/stable/c/ffa507f5f774cb4d45136b106989ebc051361263
• https://git.kernel.org/stable/c/cd2bcee450bc94770be56c0b896c1a1dc6838bd8
• https://git.kernel.org/stable/c/61a8d06600c8c397f9a7e01940479d4c94a82f5f
• https://git.kernel.org/stable/c/f25e93768fcc5d8287e50b1ec52a42e4c276df34

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