{
    "dataType": "CVE_RECORD",
    "dataVersion": "5.2",
    "cveMetadata": {
        "cveId": "CVE-2026-46003",
        "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "state": "PUBLISHED",
        "assignerShortName": "Linux",
        "dateReserved": "2026-05-13T15:03:33.091Z",
        "datePublished": "2026-05-27T12:55:59.509Z",
        "dateUpdated": "2026-10-15T01:19:54.582Z"
    },
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                "shortName": "Linux",
                "dateUpdated": "2026-06-19T11:58:56.529Z"
            },
            "descriptions": [
                {
                    "lang": "en",
                    "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nnet: qrtr: ns: Limit the total number of nodes\n\nCurrently, the nameserver doesn't limit the number of nodes it handles.\nThis can be an attack vector if a malicious client starts registering\nrandom nodes, leading to memory exhaustion.\n\nHence, limit the maximum number of nodes to 64. Note that, limit of 64 is\nchosen based on the current platform requirements. If requirement changes\nin the future, this limit can be increased."
                }
            ],
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                    "vendor": "Linux",
                    "defaultStatus": "unaffected",
                    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
                    "programFiles": [
                        "net/qrtr/ns.c"
                    ],
                    "versions": [
                        {
                            "version": "0c2204a4ad710d95d348ea006f14ba926e842ffd",
                            "lessThan": "b703ee903b24974aca4bde99c7d25d66309d35dd",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "0c2204a4ad710d95d348ea006f14ba926e842ffd",
                            "lessThan": "823310645065bd49666e84af689fa95192819f55",
                            "status": "affected",
                            "versionType": "git"
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                        {
                            "version": "0c2204a4ad710d95d348ea006f14ba926e842ffd",
                            "lessThan": "ed29887286aba96d1930f4ddb9f235f6b421073c",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "0c2204a4ad710d95d348ea006f14ba926e842ffd",
                            "lessThan": "4c46413661431aa60fb134cd4ecdf8beaa39f824",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "0c2204a4ad710d95d348ea006f14ba926e842ffd",
                            "lessThan": "4665a29c08e1b36bc9db4814f9dde3d23e8fd1b0",
                            "status": "affected",
                            "versionType": "git"
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                            "version": "0c2204a4ad710d95d348ea006f14ba926e842ffd",
                            "lessThan": "5cf6d5e5e3b804a44692fbf548a5179442e2e923",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "0c2204a4ad710d95d348ea006f14ba926e842ffd",
                            "lessThan": "8022876894d09ae485b499058c3357da683bcc5d",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "0c2204a4ad710d95d348ea006f14ba926e842ffd",
                            "lessThan": "27d5e84e810b0849d08b9aec68e48570461ce313",
                            "status": "affected",
                            "versionType": "git"
                        }
                    ]
                },
                {
                    "product": "Linux",
                    "vendor": "Linux",
                    "defaultStatus": "affected",
                    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
                    "programFiles": [
                        "net/qrtr/ns.c"
                    ],
                    "versions": [
                        {
                            "version": "5.7",
                            "status": "affected"
                        },
                        {
                            "version": "0",
                            "lessThan": "5.7",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "5.10.259",
                            "lessThanOrEqual": "5.10.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "5.15.210",
                            "lessThanOrEqual": "5.15.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.1.176",
                            "lessThanOrEqual": "6.1.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.6.140",
                            "lessThanOrEqual": "6.6.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.12.86",
                            "lessThanOrEqual": "6.12.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.18.27",
                            "lessThanOrEqual": "6.18.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "7.0.4",
                            "lessThanOrEqual": "7.0.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "7.1",
                            "lessThanOrEqual": "*",
                            "status": "unaffected",
                            "versionType": "original_commit_for_fix"
                        }
                    ]
                }
            ],
            "cpeApplicability": [
                {
                    "nodes": [
                        {
                            "operator": "OR",
                            "negate": false,
                            "cpeMatch": [
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                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "5.7",
                                    "versionEndExcluding": "5.10.259"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
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                                    "versionEndExcluding": "7.1"
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            "references": [
                {
                    "url": "https://git.kernel.org/stable/c/b703ee903b24974aca4bde99c7d25d66309d35dd"
                },
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                    "url": "https://git.kernel.org/stable/c/823310645065bd49666e84af689fa95192819f55"
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                {
                    "url": "https://git.kernel.org/stable/c/ed29887286aba96d1930f4ddb9f235f6b421073c"
                },
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                    "url": "https://git.kernel.org/stable/c/4665a29c08e1b36bc9db4814f9dde3d23e8fd1b0"
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                },
                {
                    "url": "https://git.kernel.org/stable/c/8022876894d09ae485b499058c3357da683bcc5d"
                },
                {
                    "url": "https://git.kernel.org/stable/c/27d5e84e810b0849d08b9aec68e48570461ce313"
                }
            ],
            "title": "net: qrtr: ns: Limit the total number of nodes",
            "x_generator": {
                "engine": "bippy-1.2.0"
            }
        },
        "adp": [
            {
                "x_adpType": "supplier",
                "providerMetadata": {
                    "orgId": "0b142b55-0307-4c5a-b3c9-f314f3fb7c5e",
                    "shortName": "siemens-SADP",
                    "dateUpdated": "2026-10-15T01:19:54.582Z"
                },
                "affected": [
                    {
                        "vendor": "Siemens",
                        "product": "SIMATIC S7-1500 TM MFP - GNU/Linux subsystem",
                        "versions": [
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                                "version": "0",
                                "lessThan": "*",
                                "versionType": "custom"
                            }
                        ],
                        "defaultStatus": "unknown"
                    }
                ],
                "references": [
                    {
                        "url": "https://cert-portal.siemens.com/productcert/html/ssa-784472.html"
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                ]
            }
        ]
    }
}