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vuln-cve/data/2026/98xxx/CVE-2026-98855.json
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{
"dataType": "CVE_RECORD",
"dataVersion": "5.2",
"cveMetadata": {
"cveId": "CVE-2026-98855",
"assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"state": "PUBLISHED",
"assignerShortName": "Linux",
"dateReserved": "2026-09-25T10:25:14.376Z",
"datePublished": "2026-10-18T15:51:09.970Z",
"dateUpdated": "2026-10-30T12:40:16.306Z"
},
"containers": {
"cna": {
"providerMetadata": {
"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"shortName": "Linux",
"dateUpdated": "2026-10-30T12:40:16.306Z"
},
"descriptions": [
{
"lang": "en",
"value": "In the Linux kernel, the following vulnerability has been resolved:\n\nof/overlay: put property on deadprops only after changeset add succeeds\n\nadd_changeset_property() links a new property of a not-yet-live\ntarget node into the node's deadprops list before handing it to\nof_changeset_add_property(). If that fails, the error path frees the\nproperty but leaves the freed pointer linked in deadprops, and\nof_node_release() frees it a second time when the aborted overlay's\nnode is released.\n\nRecord the changeset entry first and link the property into deadprops\nonly on success. of_changeset_add_property() never looks at the\nnode's property lists, so the order of the two steps is otherwise\nimmaterial, and the error path frees a property that nothing\nreferences."
}
],
"affected": [
{
"product": "Linux",
"vendor": "Linux",
"defaultStatus": "unaffected",
"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
"programFiles": [
"drivers/of/overlay.c"
],
"versions": [
{
"version": "f96278810150fc39085d1872e5b39ea06366d03e",
"lessThan": "004a0ee2e5315f1245775b369fcb940e8cda3807",
"status": "affected",
"versionType": "git"
},
{
"version": "f96278810150fc39085d1872e5b39ea06366d03e",
"lessThan": "f6f70b12ae3e4074e4cd3f42cd66fd482ce7a4b5",
"status": "affected",
"versionType": "git"
},
{
"version": "f96278810150fc39085d1872e5b39ea06366d03e",
"lessThan": "50c3663790c61648a51f197970f660fd543269a7",
"status": "affected",
"versionType": "git"
},
{
"version": "f96278810150fc39085d1872e5b39ea06366d03e",
"lessThan": "936f1ffcb87a1c50938a21176a6463af162cf4b5",
"status": "affected",
"versionType": "git"
},
{
"version": "f96278810150fc39085d1872e5b39ea06366d03e",
"lessThan": "d5151496a0a2b19c9c0c7b0ebf86b3de55a8fa3a",
"status": "affected",
"versionType": "git"
},
{
"version": "f96278810150fc39085d1872e5b39ea06366d03e",
"lessThan": "7dc6a769153c0457077a0da4888a00f61e66de15",
"status": "affected",
"versionType": "git"
},
{
"version": "f96278810150fc39085d1872e5b39ea06366d03e",
"lessThan": "5857035a3b53a4e7b5a0d5a740189901ece0b079",
"status": "affected",
"versionType": "git"
},
{
"version": "f96278810150fc39085d1872e5b39ea06366d03e",
"lessThan": "814f2da6995772c07a7c9c2cc6028b6e3f3ecc9c",
"status": "affected",
"versionType": "git"
},
{
"version": "b52ca352489be8beb7de3a8181509a0deaf72e21",
"status": "affected",
"versionType": "git"
},
{
"version": "4.19.49",
"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/of/overlay.c"
],
"versions": [
{
"version": "5.0",
"status": "affected"
},
{
"version": "0",
"lessThan": "5.0",
"status": "unaffected",
"versionType": "semver"
},
{
"version": "5.10.273",
"lessThanOrEqual": "5.10.*",
"status": "unaffected",
"versionType": "semver"
},
{
"version": "5.15.224",
"lessThanOrEqual": "5.15.*",
"status": "unaffected",
"versionType": "semver"
},
{
"version": "6.1.191",
"lessThanOrEqual": "6.1.*",
"status": "unaffected",
"versionType": "semver"
},
{
"version": "6.6.160",
"lessThanOrEqual": "6.6.*",
"status": "unaffected",
"versionType": "semver"
},
{
"version": "6.12.113",
"lessThanOrEqual": "6.12.*",
"status": "unaffected",
"versionType": "semver"
},
{
"version": "6.18.56",
"lessThanOrEqual": "6.18.*",
"status": "unaffected",
"versionType": "semver"
},
{
"version": "7.2.10",
"lessThanOrEqual": "7.2.*",
"status": "unaffected",
"versionType": "semver"
},
{
"version": "7.3",
"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": "5.0",
"versionEndExcluding": "5.10.273"
},
{
"vulnerable": true,
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionStartIncluding": "5.0",
"versionEndExcluding": "5.15.224"
},
{
"vulnerable": true,
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionStartIncluding": "5.0",
"versionEndExcluding": "6.1.191"
},
{
"vulnerable": true,
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionStartIncluding": "5.0",
"versionEndExcluding": "6.6.160"
},
{
"vulnerable": true,
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionStartIncluding": "5.0",
"versionEndExcluding": "6.12.113"
},
{
"vulnerable": true,
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionStartIncluding": "5.0",
"versionEndExcluding": "6.18.56"
},
{
"vulnerable": true,
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionStartIncluding": "5.0",
"versionEndExcluding": "7.2.10"
},
{
"vulnerable": true,
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionStartIncluding": "5.0",
"versionEndExcluding": "7.3"
},
{
"vulnerable": true,
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionStartIncluding": "4.19.49"
}
]
}
]
}
],
"references": [
{
"url": "https://git.kernel.org/stable/c/004a0ee2e5315f1245775b369fcb940e8cda3807"
},
{
"url": "https://git.kernel.org/stable/c/f6f70b12ae3e4074e4cd3f42cd66fd482ce7a4b5"
},
{
"url": "https://git.kernel.org/stable/c/50c3663790c61648a51f197970f660fd543269a7"
},
{
"url": "https://git.kernel.org/stable/c/936f1ffcb87a1c50938a21176a6463af162cf4b5"
},
{
"url": "https://git.kernel.org/stable/c/d5151496a0a2b19c9c0c7b0ebf86b3de55a8fa3a"
},
{
"url": "https://git.kernel.org/stable/c/7dc6a769153c0457077a0da4888a00f61e66de15"
},
{
"url": "https://git.kernel.org/stable/c/5857035a3b53a4e7b5a0d5a740189901ece0b079"
},
{
"url": "https://git.kernel.org/stable/c/814f2da6995772c07a7c9c2cc6028b6e3f3ecc9c"
}
],
"title": "of/overlay: put property on deadprops only after changeset add succeeds",
"x_generator": {
"engine": "bippy-1.2.0"
}
}
}
}