net/sched: cls_fw: fix NULL dereference of “old” filters before change()_MS:CVE-2026-53080

{
    "lastseen": "2026-06-28T07:48:08",
    "description": "",
    "published": "2026-06-27T08:17:16",
    "modified": "2026-06-28T08:42:19",
    "type": "mscve",
    "title": "net/sched: cls_fw: fix NULL dereference of \"old\" filters before change()",
    "source": "",
    "references": "",
    "id": "MS:CVE-2026-53080",
    "bulletinFamily": "microsoft",
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        "version": "3.1"
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    "href": "https://msrc.microsoft.com/update-guide/en-US/vulnerability/CVE-2026-53080",
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