{
    "dataType": "CVE_RECORD",
    "dataVersion": "5.2",
    "cveMetadata": {
        "cveId": "CVE-2026-23098",
        "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "state": "PUBLISHED",
        "assignerShortName": "Linux",
        "dateReserved": "2026-01-13T15:37:45.964Z",
        "datePublished": "2026-02-04T16:08:20.692Z",
        "dateUpdated": "2026-05-11T21:59:57.863Z"
    },
    "containers": {
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                "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
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                "dateUpdated": "2026-05-11T21:59:57.863Z"
            },
            "descriptions": [
                {
                    "lang": "en",
                    "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nnetrom: fix double-free in nr_route_frame()\n\nIn nr_route_frame(), old_skb is immediately freed without checking if\nnr_neigh->ax25 pointer is NULL. Therefore, if nr_neigh->ax25 is NULL,\nthe caller function will free old_skb again, causing a double-free bug.\n\nTherefore, to prevent this, we need to modify it to check whether\nnr_neigh->ax25 is NULL before freeing old_skb."
                }
            ],
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                        "version": "3.1",
                        "vectorString": "CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
                        "baseScore": 8.8,
                        "baseSeverity": "HIGH"
                    }
                }
            ],
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                {
                    "product": "Linux",
                    "vendor": "Linux",
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                    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
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                            "lessThan": "25aab6bfc31017a7e52035b99aef5c2b6bde8ffb",
                            "status": "affected",
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                        {
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                        {
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                            "lessThan": "7c48fdf2d1349bb54815b56fb012b9d577707708",
                            "status": "affected",
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                        {
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                        {
                            "version": "1da177e4c3f41524e886b7f1b8a0c1fc7321cac2",
                            "lessThan": "ba1096c315283ee3292765f6aea4cca15816c4f7",
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                    "vendor": "Linux",
                    "defaultStatus": "affected",
                    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
                    "programFiles": [
                        "net/netrom/nr_route.c"
                    ],
                    "versions": [
                        {
                            "version": "2.6.12",
                            "status": "affected"
                        },
                        {
                            "version": "0",
                            "lessThan": "2.6.12",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "5.10.249",
                            "lessThanOrEqual": "5.10.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "5.15.199",
                            "lessThanOrEqual": "5.15.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.1.162",
                            "lessThanOrEqual": "6.1.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.6.122",
                            "lessThanOrEqual": "6.6.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.12.68",
                            "lessThanOrEqual": "6.12.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.18.8",
                            "lessThanOrEqual": "6.18.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.19",
                            "lessThanOrEqual": "*",
                            "status": "unaffected",
                            "versionType": "original_commit_for_fix"
                        }
                    ]
                }
            ],
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                    "nodes": [
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                            "operator": "OR",
                            "negate": false,
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                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
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            "references": [
                {
                    "url": "https://git.kernel.org/stable/c/25aab6bfc31017a7e52035b99aef5c2b6bde8ffb"
                },
                {
                    "url": "https://git.kernel.org/stable/c/6e0110ea90313b7c0558a0b77038274a6821caf8"
                },
                {
                    "url": "https://git.kernel.org/stable/c/7c48fdf2d1349bb54815b56fb012b9d577707708"
                },
                {
                    "url": "https://git.kernel.org/stable/c/bd8955337e3764f912f49b360e176d8aaecf7016"
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                    "url": "https://git.kernel.org/stable/c/9f5fa78d9980fe75a69835521627ab7943cb3d67"
                },
                {
                    "url": "https://git.kernel.org/stable/c/ba1096c315283ee3292765f6aea4cca15816c4f7"
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            ],
            "title": "netrom: fix double-free in nr_route_frame()",
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