UnratedFix available
of: fix out-of-bounds read in of_alias_scan() stem parser
Type: advisorySources: OSV
In the Linux kernel, the following vulnerability has been resolved: of: fix out-of-bounds read in of_alias_scan() stem parser The stem parser tests isdigit(*(end - 1)) before checking end > start and so reads one byte before the property name when the name is empty or all digits. Check the bound first.
- Products
- Kernel
- Affected versions
- Not specified
- Fixed versions
- 5.10.270, 5.15.221, 6.1.188, 6.12.109, 6.18.50, 6.6.157, 7.2.4
- CVEs
- CVE-2026-93213
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 5 Nov 2026, 06:14 UTC · Revision 1
Source evidence
of: fix out-of-bounds read in of_alias_scan() stem parser
core-osv · Original sourcePublished 24 Sept 2026, 15:10 UTC
In the Linux kernel, the following vulnerability has been resolved: of: fix out-of-bounds read in of_alias_scan() stem parser The stem parser tests isdigit(*(end - 1)) before checking end > start and so reads one byte before the property name when the name is empty or all digits. Check the bound first.
osv:CVE-2026-93213
Kernel
Fixed versions: 5.10.270, 5.15.221, 6.1.188, 6.6.157, 6.12.109, 6.18.50, 7.2.4
Complete source record
{
"id": "b9905e1ff9a7b01d955495979d5fab4a1ef8a12abf65eea989431a1957629566",
"url": "https://osv.dev/vulnerability/CVE-2026-93213",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "of: fix out-of-bounds read in of_alias_scan() stem parser",
"summary": "In the Linux kernel, the following vulnerability has been resolved: of: fix out-of-bounds read in of_alias_scan() stem parser The stem parser tests isdigit(*(end - 1)) before checking end > start and so reads one byte before the property name when the name is empty or all digits. Check the bound first.",
"evidence": "osv:CVE-2026-93213",
"products": [
{
"name": {
"value": "Kernel",
"evidence": "/affected/1/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "5.10.270",
"evidence": "/affected/1/ranges"
},
{
"value": "5.15.221",
"evidence": "/affected/1/ranges"
},
{
"value": "6.1.188",
"evidence": "/affected/1/ranges"
},
{
"value": "6.6.157",
"evidence": "/affected/1/ranges"
},
{
"value": "6.12.109",
"evidence": "/affected/1/ranges"
},
{
"value": "6.18.50",
"evidence": "/affected/1/ranges"
},
{
"value": "7.2.4",
"evidence": "/affected/1/ranges"
}
],
"affected_versions": []
}
],
"severity": "unknown",
"structured": {
"id": "CVE-2026-93213",
"aliases": [
"CVE-2026-93213"
],
"affected": [
{
"ranges": [
{
"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
"type": "GIT",
"events": [
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{
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},
{
"fixed": "958d7ee9fcf008ef9d2072c6410ee1bf6abf3b64"
},
{
"fixed": "f7f6c3e32a31f2e1ed12075e8cd22b370a84e67a"
},
{
"fixed": "da7a80ddc610a19b0378016a4d816b9355f013a7"
},
{
"fixed": "96a9c984dd7c3589a2707a32b62802f98311dbfd"
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{
"fixed": "9253cfc5a85be1494ce56b4fc6f2d2b509440910"
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{
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},
{
"fixed": "5bb01c657ff9fc807c2c592ca18af34c4fc3bc6f"
}
]
}
],
"database_specific": {
"source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-93213.json"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "3.2.0"
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{
"fixed": "5.10.270"
}
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},
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "5.11.0"
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{
"fixed": "5.15.221"
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},
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "5.16.0"
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{
"fixed": "6.1.188"
}
]
},
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "6.2.0"
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{
"fixed": "6.6.157"
}
]
},
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "6.7.0"
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{
"fixed": "6.12.109"
}
]
},
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "6.13.0"
},
{
"fixed": "6.18.50"
}
]
},
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "6.19.0"
},
{
"fixed": "7.2.4"
}
]
}
],
"package": {
"name": "Kernel",
"ecosystem": "Linux"
},
"database_specific": {
"source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-93213.json"
}
}
],
"modified": "2026-10-28T02:30:43.011888711Z",
"provider": "osv",
"references": [
"https://git.kernel.org/stable/c/5bb01c657ff9fc807c2c592ca18af34c4fc3bc6f",
"https://git.kernel.org/stable/c/9253cfc5a85be1494ce56b4fc6f2d2b509440910",
"https://git.kernel.org/stable/c/958d7ee9fcf008ef9d2072c6410ee1bf6abf3b64",
"https://git.kernel.org/stable/c/96a9c984dd7c3589a2707a32b62802f98311dbfd",
"https://git.kernel.org/stable/c/acd1b49043366f43e932308b4db7d3ce568eeadb",
"https://git.kernel.org/stable/c/da7a80ddc610a19b0378016a4d816b9355f013a7",
"https://git.kernel.org/stable/c/f7f6c3e32a31f2e1ed12075e8cd22b370a84e67a",
"https://git.kernel.org/stable/c/fd0c7bbda81c0e0c1cb7b68d267b87371584f560",
"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/93xxx/CVE-2026-93213.json",
"https://nvd.nist.gov/vuln/detail/CVE-2026-93213",
"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git"
],
"provider_metadata": {
"cna_assigner": "Linux",
"osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/93xxx/CVE-2026-93213.json"
}
},
"related_cves": [
{
"value": "CVE-2026-93213",
"evidence": "/id"
}
],
"security_relevant": true,
"severity_evidence": null
},
"source_id": "core-osv",
"document_id": 511019,
"published_at": "2026-09-24T15:10:36.166+00:00"
}