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vuln-cve/data/2026/23xxx/CVE-2026-23447.json
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{
"dataType": "CVE_RECORD",
"dataVersion": "5.2",
"cveMetadata": {
"cveId": "CVE-2026-23447",
"assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"state": "PUBLISHED",
"assignerShortName": "Linux",
"dateReserved": "2026-01-13T15:37:46.019Z",
"datePublished": "2026-04-03T15:15:30.495Z",
"dateUpdated": "2026-11-05T21:33:47.287Z"
},
"containers": {
"cna": {
"providerMetadata": {
"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"shortName": "Linux",
"dateUpdated": "2026-09-14T11:58:13.940Z"
},
"descriptions": [
{
"lang": "en",
"value": "In the Linux kernel, the following vulnerability has been resolved:\n\nnet: usb: cdc_ncm: add ndpoffset to NDP32 nframes bounds check\n\nThe same bounds-check bug fixed for NDP16 in the previous patch also\nexists in cdc_ncm_rx_verify_ndp32(). The DPE array size is validated\nagainst the total skb length without accounting for ndpoffset, allowing\nout-of-bounds reads when the NDP32 is placed near the end of the NTB.\n\nAdd ndpoffset to the nframes bounds check and use struct_size_t() to\nexpress the NDP-plus-DPE-array size more clearly.\n\nCompile-tested only."
}
],
"affected": [
{
"product": "Linux",
"vendor": "Linux",
"defaultStatus": "unaffected",
"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
"programFiles": [
"drivers/net/usb/cdc_ncm.c"
],
"versions": [
{
"version": "0fa81b304a7973a499f844176ca031109487dd31",
"lessThan": "baf246d6680befde2086b1df9eb3aaba3fb6853f",
"status": "affected",
"versionType": "git"
},
{
"version": "0fa81b304a7973a499f844176ca031109487dd31",
"lessThan": "125f932a76a97904ef8a555f1dd53e5d0e288c54",
"status": "affected",
"versionType": "git"
},
{
"version": "0fa81b304a7973a499f844176ca031109487dd31",
"lessThan": "af0d1613d6751489dbf9f69aac1123f0b1e566e5",
"status": "affected",
"versionType": "git"
},
{
"version": "0fa81b304a7973a499f844176ca031109487dd31",
"lessThan": "a5bd5a2710310c965ea4153cba4210988a3454e2",
"status": "affected",
"versionType": "git"
},
{
"version": "0fa81b304a7973a499f844176ca031109487dd31",
"lessThan": "de70da1fb1d152e981ecb3157f7ec2b633005c16",
"status": "affected",
"versionType": "git"
},
{
"version": "0fa81b304a7973a499f844176ca031109487dd31",
"lessThan": "77914255155e68a20aa41175edeecf8121dac391",
"status": "affected",
"versionType": "git"
},
{
"version": "8cf7db86a8984ffa3a3388a8df12bc0aa4c79bd7",
"status": "affected",
"versionType": "git"
},
{
"version": "4ca8b8855264cf1439cdab3da7049bd1e3c2a9e6",
"status": "affected",
"versionType": "git"
},
{
"version": "a270ca35a9499b58366d696d3290eaa4697a42db",
"status": "affected",
"versionType": "git"
},
{
"version": "4.14.317",
"lessThan": "4.15",
"status": "affected",
"versionType": "semver"
},
{
"version": "4.19.285",
"lessThan": "4.20",
"status": "affected",
"versionType": "semver"
},
{
"version": "5.4.245",
"lessThan": "5.5",
"status": "affected",
"versionType": "semver"
}
]
},
{
"product": "Linux",
"vendor": "Linux",
"defaultStatus": "affected",
"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
"programFiles": [
"drivers/net/usb/cdc_ncm.c"
],
"versions": [
{
"version": "5.7",
"status": "affected"
},
{
"version": "0",
"lessThan": "5.7",
"status": "unaffected",
"versionType": "semver"
},
{
"version": "6.1.188",
"lessThanOrEqual": "6.1.*",
"status": "unaffected",
"versionType": "semver"
},
{
"version": "6.6.130",
"lessThanOrEqual": "6.6.*",
"status": "unaffected",
"versionType": "semver"
},
{
"version": "6.12.78",
"lessThanOrEqual": "6.12.*",
"status": "unaffected",
"versionType": "semver"
},
{
"version": "6.18.20",
"lessThanOrEqual": "6.18.*",
"status": "unaffected",
"versionType": "semver"
},
{
"version": "6.19.10",
"lessThanOrEqual": "6.19.*",
"status": "unaffected",
"versionType": "semver"
},
{
"version": "7.0",
"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": "6.1.188"
},
{
"vulnerable": true,
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionStartIncluding": "5.7",
"versionEndExcluding": "6.6.130"
},
{
"vulnerable": true,
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionStartIncluding": "5.7",
"versionEndExcluding": "6.12.78"
},
{
"vulnerable": true,
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionStartIncluding": "5.7",
"versionEndExcluding": "6.18.20"
},
{
"vulnerable": true,
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionStartIncluding": "5.7",
"versionEndExcluding": "6.19.10"
},
{
"vulnerable": true,
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionStartIncluding": "5.7",
"versionEndExcluding": "7.0"
},
{
"vulnerable": true,
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionStartIncluding": "4.14.317"
},
{
"vulnerable": true,
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionStartIncluding": "4.19.285"
},
{
"vulnerable": true,
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionStartIncluding": "5.4.245"
}
]
}
]
}
],
"references": [
{
"url": "https://git.kernel.org/stable/c/baf246d6680befde2086b1df9eb3aaba3fb6853f"
},
{
"url": "https://git.kernel.org/stable/c/125f932a76a97904ef8a555f1dd53e5d0e288c54"
},
{
"url": "https://git.kernel.org/stable/c/af0d1613d6751489dbf9f69aac1123f0b1e566e5"
},
{
"url": "https://git.kernel.org/stable/c/a5bd5a2710310c965ea4153cba4210988a3454e2"
},
{
"url": "https://git.kernel.org/stable/c/de70da1fb1d152e981ecb3157f7ec2b633005c16"
},
{
"url": "https://git.kernel.org/stable/c/77914255155e68a20aa41175edeecf8121dac391"
}
],
"title": "net: usb: cdc_ncm: add ndpoffset to NDP32 nframes bounds check",
"x_generator": {
"engine": "bippy-1.2.0"
}
},
"adp": [
{
"metrics": [
{
"other": {
"type": "ssvc",
"content": {
"id": "CVE-2026-23447",
"role": "CISA Coordinator",
"options": [
{
"Exploitation": "none"
},
{
"Automatable": "no"
},
{
"Technical Impact": "partial"
}
],
"version": "2.0.3",
"timestamp": "2026-11-05T21:31:15.822566Z"
}
}
}
],
"title": "CISA ADP Vulnrichment",
"providerMetadata": {
"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"shortName": "CISA-ADP",
"dateUpdated": "2026-11-05T21:33:47.287Z"
}
}
]
}
}