ipv6: Fix a potential NPD in cleanup_prefix_route()_MS:CVE-2026-53214

{
    "lastseen": "2026-06-28T07:48:14",
    "description": "",
    "published": "2026-06-27T08:13:01",
    "modified": "2026-06-28T08:44:04",
    "type": "mscve",
    "title": "ipv6: Fix a potential NPD in cleanup_prefix_route()",
    "source": "",
    "references": "",
    "id": "MS:CVE-2026-53214",
    "bulletinFamily": "microsoft",
    "cwe": null,
    "cvelist": [
        "CVE-2026-53214"
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    "sourceData": "",
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    "cvss": {
        "score": 5.5,
        "severity": "MEDIUM",
        "vector": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H/E:U",
        "version": "3.1"
    },
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    },
    "href": "https://msrc.microsoft.com/update-guide/en-US/vulnerability/CVE-2026-53214",
    "category_name": "News",
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