bpf, sockmap: fix integer overflow in bpf_msg_pop_data() bounds check

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CVE-2026-74256 · Microsoft / collected KEV context

cve-program · CVE-2026-74256

• https://git.kernel.org/stable/c/9ef44ed6fb0c1db01cfcc3de432a33e719713eb5
• https://git.kernel.org/stable/c/d693c5ed67dabe1ccbf8dcea93075bdc9ffd4ca0
• https://git.kernel.org/stable/c/ba5cc05dae8fce237d191c7ea96b1107a791e548
• https://git.kernel.org/stable/c/c05a0ec1cdced622a1a0c7d85679fe02f31033ec
• https://git.kernel.org/stable/c/17eb9832a10db2f7a80cb429ca2bc5038445a943
• https://git.kernel.org/stable/c/fe09dd288722f1c749b7506c0b3e7841a7d85027
• https://git.kernel.org/stable/c/e09f7bd7273928b4089e6b71f8e992f2b356ca1b
• https://git.kernel.org/stable/c/a48802fb2cd2d1e23651989f8ff4d15e9d5dad54

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