usbip: validate number_of_packets in usbip_pack_ret_submit()

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

CVE-2026-31607 · Microsoft / collected KEV context

cve-program · CVE-2026-31607

• https://git.kernel.org/stable/c/324262c38438255bf6bdbf6342ca47c0badaab76
• https://git.kernel.org/stable/c/973f2c250289f5bf6cc146b98aa6fdde11fe50d6
• https://git.kernel.org/stable/c/ce744264b06b97069b3722511ab355738311fee0
• https://git.kernel.org/stable/c/885c8591784da6314f9aa82fa460ac69f9f79e5f
• https://git.kernel.org/stable/c/8d155e2d1c4102f74f82a2bf9c016164bb0f7384
• https://git.kernel.org/stable/c/906f16a836de13fe61f49cdce2f66f2dbd14caf4
• https://git.kernel.org/stable/c/ef8ebb1c637b4cfb61a9dd2e013376774ee2033b
• https://git.kernel.org/stable/c/5e1c4ece08ccdc197177631f111845a2c68eede3
• https://git.kernel.org/stable/c/2ab833a16a825373aad2ba7d54b572b277e95b71

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