linux-yocto/6.18: update CVE exclusions (6.18.3)

linux-yocto/6.18: update CVE exclusions (6.18.3)

Data pulled from: https://github.com/CVEProject/cvelistV5

    1/1 [
        Author: cvelistV5 Github Action
        Email: github_action@example.com
        Subject: 7 changes (4 new | 3 updated): - 4 new CVEs: CVE-2025-59156, CVE-2025-59157, CVE-2025-59158, CVE-2025-59955 - 3 updated CVEs: CVE-2025-39497, CVE-2025-7195, CVE-2025-9900
        Date: Mon, 5 Jan 2026 17:48:14 +0000

    ]

Signed-off-by: Bruce Ashfield <bruce.ashfield@gmail.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>