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vuln-cve/data/2026/46xxx/CVE-2026-46003.json
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{
"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": "2026-11-06T16:13:31.282Z"
},
"containers": {
"cna": {
"providerMetadata": {
"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"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."
}
],
"affected": [
{
"product": "Linux",
"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"
},
{
"version": "0c2204a4ad710d95d348ea006f14ba926e842ffd",
"lessThan": "ed29887286aba96d1930f4ddb9f235f6b421073c",
"status": "affected",
"versionType": "git"
},
{
"version": "0c2204a4ad710d95d348ea006f14ba926e842ffd",
"lessThan": "4c46413661431aa60fb134cd4ecdf8beaa39f824",
"status": "affected",
"versionType": "git"
},
{
"version": "0c2204a4ad710d95d348ea006f14ba926e842ffd",
"lessThan": "4665a29c08e1b36bc9db4814f9dde3d23e8fd1b0",
"status": "affected",
"versionType": "git"
},
{
"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": [
{
"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:*:*:*:*:*:*:*:*",
"versionStartIncluding": "5.7",
"versionEndExcluding": "5.15.210"
},
{
"vulnerable": true,
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionStartIncluding": "5.7",
"versionEndExcluding": "6.1.176"
},
{
"vulnerable": true,
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionStartIncluding": "5.7",
"versionEndExcluding": "6.6.140"
},
{
"vulnerable": true,
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionStartIncluding": "5.7",
"versionEndExcluding": "6.12.86"
},
{
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"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionStartIncluding": "5.7",
"versionEndExcluding": "6.18.27"
},
{
"vulnerable": true,
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionStartIncluding": "5.7",
"versionEndExcluding": "7.0.4"
},
{
"vulnerable": true,
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionStartIncluding": "5.7",
"versionEndExcluding": "7.1"
}
]
}
]
}
],
"references": [
{
"url": "https://git.kernel.org/stable/c/b703ee903b24974aca4bde99c7d25d66309d35dd"
},
{
"url": "https://git.kernel.org/stable/c/823310645065bd49666e84af689fa95192819f55"
},
{
"url": "https://git.kernel.org/stable/c/ed29887286aba96d1930f4ddb9f235f6b421073c"
},
{
"url": "https://git.kernel.org/stable/c/4c46413661431aa60fb134cd4ecdf8beaa39f824"
},
{
"url": "https://git.kernel.org/stable/c/4665a29c08e1b36bc9db4814f9dde3d23e8fd1b0"
},
{
"url": "https://git.kernel.org/stable/c/5cf6d5e5e3b804a44692fbf548a5179442e2e923"
},
{
"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": [
{
"status": "affected",
"version": "0",
"lessThan": "*",
"versionType": "custom"
}
],
"defaultStatus": "unknown"
}
],
"references": [
{
"url": "https://cert-portal.siemens.com/productcert/html/ssa-784472.html"
}
]
},
{
"metrics": [
{
"other": {
"type": "ssvc",
"content": {
"id": "CVE-2026-46003",
"role": "CISA Coordinator",
"options": [
{
"Exploitation": "none"
},
{
"Automatable": "no"
},
{
"Technical Impact": "partial"
}
],
"version": "2.0.3",
"timestamp": "2026-11-06T16:04:44.195226Z"
}
}
}
],
"title": "CISA ADP Vulnrichment",
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"dateUpdated": "2026-11-06T16:13:31.282Z"
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}