{
    "dataType": "CVE_RECORD",
    "dataVersion": "5.2",
    "cveMetadata": {
        "cveId": "CVE-2025-21826",
        "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "state": "PUBLISHED",
        "assignerShortName": "Linux",
        "dateReserved": "2024-12-29T08:45:45.775Z",
        "datePublished": "2025-03-06T16:04:32.274Z",
        "dateUpdated": "2026-05-23T15:57:17.251Z"
    },
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                {
                    "lang": "en",
                    "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nnetfilter: nf_tables: reject mismatching sum of field_len with set key length\n\nThe field length description provides the length of each separated key\nfield in the concatenation, each field gets rounded up to 32-bits to\ncalculate the pipapo rule width from pipapo_init(). The set key length\nprovides the total size of the key aligned to 32-bits.\n\nRegister-based arithmetics still allows for combining mismatching set\nkey length and field length description, eg. set key length 10 and field\ndescription [ 5, 4 ] leading to pipapo width of 12."
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                            "status": "affected",
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                    "vendor": "Linux",
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                    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
                    "programFiles": [
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                            "status": "affected"
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                        {
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                            "status": "unaffected",
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                            "lessThanOrEqual": "5.10.*",
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                            "status": "unaffected",
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                    "url": "https://git.kernel.org/stable/c/1b9335a8000fb70742f7db10af314104b6ace220"
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            "title": "netfilter: nf_tables: reject mismatching sum of field_len with set key length",
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                        "url": "https://lists.debian.org/debian-lts-announce/2025/05/msg00030.html"
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