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vuln-cve/data/2026/31xxx/CVE-2026-31399.json
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{
"dataType": "CVE_RECORD",
"dataVersion": "5.2",
"cveMetadata": {
"cveId": "CVE-2026-31399",
"assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"state": "PUBLISHED",
"assignerShortName": "Linux",
"dateReserved": "2026-03-09T15:48:24.085Z",
"datePublished": "2026-04-03T15:16:03.246Z",
"dateUpdated": "2026-11-05T21:33:49.321Z"
},
"containers": {
"cna": {
"providerMetadata": {
"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"shortName": "Linux",
"dateUpdated": "2026-05-23T16:04:55.198Z"
},
"descriptions": [
{
"lang": "en",
"value": "In the Linux kernel, the following vulnerability has been resolved:\n\nnvdimm/bus: Fix potential use after free in asynchronous initialization\n\nDingisoul with KASAN reports a use after free if device_add() fails in\nnd_async_device_register().\n\nCommit b6eae0f61db2 (\"libnvdimm: Hold reference on parent while\nscheduling async init\") correctly added a reference on the parent device\nto be held until asynchronous initialization was complete. However, if\ndevice_add() results in an allocation failure the ref count of the\ndevice drops to 0 prior to the parent pointer being accessed. Thus\nresulting in use after free.\n\nThe bug bot AI correctly identified the fix. Save a reference to the\nparent pointer to be used to drop the parent reference regardless of the\noutcome of device_add()."
}
],
"affected": [
{
"product": "Linux",
"vendor": "Linux",
"defaultStatus": "unaffected",
"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
"programFiles": [
"drivers/nvdimm/bus.c"
],
"versions": [
{
"version": "b6eae0f61db27748606cc00dafcfd1e2c032f0a5",
"lessThan": "6fc36c2a925ceaba203eb13d75a8f0879a2c121b",
"status": "affected",
"versionType": "git"
},
{
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"lessThan": "a36cf138500e56f50db9f9a33222df6969b38326",
"status": "affected",
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},
{
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"status": "affected",
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},
{
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"status": "affected",
"versionType": "git"
},
{
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"lessThan": "2c638259ad750833fd46a0cf57672a618542d84c",
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},
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"lessThan": "a226e5b49e5fe8c98b14f8507de670189d191348",
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"versionType": "git"
},
{
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"status": "affected",
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},
{
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"lessThan": "a8aec14230322ed8f1e8042b6d656c1631d41163",
"status": "affected",
"versionType": "git"
},
{
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"status": "affected",
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},
{
"version": "3e63a7f25cc85d3d3e174b9b0e3489ebb7eaf4ab",
"status": "affected",
"versionType": "git"
},
{
"version": "1490de2bb0836fc0631c04d0559fdf81545b672f",
"status": "affected",
"versionType": "git"
},
{
"version": "e31a8418c8df7e6771414f99ed3d95ba8aca4e05",
"status": "affected",
"versionType": "git"
},
{
"version": "4f1a55a4f990016406147cf3e0c9487bf83e50f0",
"status": "affected",
"versionType": "git"
},
{
"version": "4.4.164",
"lessThan": "4.5",
"status": "affected",
"versionType": "semver"
},
{
"version": "4.9.137",
"lessThan": "4.10",
"status": "affected",
"versionType": "semver"
},
{
"version": "4.14.81",
"lessThan": "4.15",
"status": "affected",
"versionType": "semver"
},
{
"version": "4.18.19",
"lessThan": "4.19",
"status": "affected",
"versionType": "semver"
},
{
"version": "4.19.2",
"lessThan": "4.20",
"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/nvdimm/bus.c"
],
"versions": [
{
"version": "4.20",
"status": "affected"
},
{
"version": "0",
"lessThan": "4.20",
"status": "unaffected",
"versionType": "semver"
},
{
"version": "5.10.253",
"lessThanOrEqual": "5.10.*",
"status": "unaffected",
"versionType": "semver"
},
{
"version": "5.15.203",
"lessThanOrEqual": "5.15.*",
"status": "unaffected",
"versionType": "semver"
},
{
"version": "6.1.167",
"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": "4.20",
"versionEndExcluding": "5.10.253"
},
{
"vulnerable": true,
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionStartIncluding": "4.20",
"versionEndExcluding": "5.15.203"
},
{
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"versionStartIncluding": "4.20",
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},
{
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"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionStartIncluding": "4.20",
"versionEndExcluding": "6.12.78"
},
{
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"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionStartIncluding": "4.20",
"versionEndExcluding": "6.18.20"
},
{
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"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionStartIncluding": "4.20",
"versionEndExcluding": "6.19.10"
},
{
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"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionStartIncluding": "4.20",
"versionEndExcluding": "7.0"
},
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},
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"versionStartIncluding": "4.9.137"
},
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"versionStartIncluding": "4.14.81"
},
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"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionStartIncluding": "4.18.19"
},
{
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"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionStartIncluding": "4.19.2"
}
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],
"references": [
{
"url": "https://git.kernel.org/stable/c/6fc36c2a925ceaba203eb13d75a8f0879a2c121b"
},
{
"url": "https://git.kernel.org/stable/c/a36cf138500e56f50db9f9a33222df6969b38326"
},
{
"url": "https://git.kernel.org/stable/c/9a0fb16ba5b372465a3a1ecd761c6fa911a4ab4d"
},
{
"url": "https://git.kernel.org/stable/c/e48bf8f1d2b12c1c5ba1f609edbd4cde5dadc20e"
},
{
"url": "https://git.kernel.org/stable/c/2c638259ad750833fd46a0cf57672a618542d84c"
},
{
"url": "https://git.kernel.org/stable/c/a226e5b49e5fe8c98b14f8507de670189d191348"
},
{
"url": "https://git.kernel.org/stable/c/84af19855d1abdee3c9d57c0684e2868e391793c"
},
{
"url": "https://git.kernel.org/stable/c/a8aec14230322ed8f1e8042b6d656c1631d41163"
}
],
"title": "nvdimm/bus: Fix potential use after free in asynchronous initialization",
"x_generator": {
"engine": "bippy-1.2.0"
}
},
"adp": [
{
"metrics": [
{
"other": {
"type": "ssvc",
"content": {
"id": "CVE-2026-31399",
"role": "CISA Coordinator",
"options": [
{
"Exploitation": "none"
},
{
"Automatable": "no"
},
{
"Technical Impact": "partial"
}
],
"version": "2.0.3",
"timestamp": "2026-11-05T21:32:10.448630Z"
}
}
}
],
"title": "CISA ADP Vulnrichment",
"providerMetadata": {
"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"shortName": "CISA-ADP",
"dateUpdated": "2026-11-05T21:33:49.321Z"
}
}
]
}
}