UnratedFix available
wifi: avoid kernel-infoleak from struct iw_point
Type: advisorySources: OSV
In the Linux kernel, the following vulnerability has been resolved: wifi: avoid kernel-infoleak from struct iw_point struct iw_point has a 32bit hole on 64bit arches. struct iw_point { void __user *pointer; /* Pointer to the data (in user space) */ __u16 length; /* number of fields or size in bytes */ __u16 flags; /* Optional params */ }; Make sure to zero the structure to avoid disclosing 32bits of kernel data to user space.
- Products
- Kernel
- Affected versions
- Not specified
- Fixed versions
- 5.10.248, 5.15.198, 6.1.161, 6.12.66, 6.18.6, 6.6.121
- CVEs
- CVE-2026-22978
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 4 Nov 2026, 23:09 UTC · Revision 1
Source evidence
wifi: avoid kernel-infoleak from struct iw_point
core-osv · Original sourcePublished 23 Jan 2026, 15:24 UTC
In the Linux kernel, the following vulnerability has been resolved: wifi: avoid kernel-infoleak from struct iw_point struct iw_point has a 32bit hole on 64bit arches. struct iw_point { void __user *pointer; /* Pointer to the data (in user space) */ __u16 length; /* number of fields or size in bytes */ __u16 flags; /* Optional params */ }; Make sure to zero the structure to avoid disclosing 32bits of kernel data to user space.
osv:CVE-2026-22978
Kernel
Fixed versions: 5.10.248, 5.15.198, 6.1.161, 6.6.121, 6.12.66, 6.18.6
Complete source record
{
"id": "bc177369c305c7d9f1ec269d7adb8635742fc126ebc968f5c88646b803502365",
"url": "https://osv.dev/vulnerability/CVE-2026-22978",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "wifi: avoid kernel-infoleak from struct iw_point",
"summary": "In the Linux kernel, the following vulnerability has been resolved: wifi: avoid kernel-infoleak from struct iw_point struct iw_point has a 32bit hole on 64bit arches. struct iw_point { void __user *pointer; /* Pointer to the data (in user space) */ __u16 length; /* number of fields or size in bytes */ __u16 flags; /* Optional params */ }; Make sure to zero the structure to avoid disclosing 32bits of kernel data to user space.",
"evidence": "osv:CVE-2026-22978",
"products": [
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"name": {
"value": "Kernel",
"evidence": "/affected/1/package/name"
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"prerequisites": [],
"fixed_versions": [
{
"value": "5.10.248",
"evidence": "/affected/1/ranges"
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{
"value": "5.15.198",
"evidence": "/affected/1/ranges"
},
{
"value": "6.1.161",
"evidence": "/affected/1/ranges"
},
{
"value": "6.6.121",
"evidence": "/affected/1/ranges"
},
{
"value": "6.12.66",
"evidence": "/affected/1/ranges"
},
{
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}
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"affected_versions": []
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"severity": "unknown",
"structured": {
"id": "CVE-2026-22978",
"aliases": [
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"affected": [
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"type": "GIT",
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{
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},
{
"ranges": [
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"events": [
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{
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{
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{
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"events": [
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{
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"events": [
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{
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{
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{
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"events": [
{
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{
"fixed": "6.18.6"
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],
"package": {
"name": "Kernel",
"ecosystem": "Linux"
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"database_specific": {
"source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-22978.json"
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}
],
"modified": "2026-10-28T02:30:40.531241470Z",
"provider": "osv",
"references": [
"https://git.kernel.org/stable/c/024f71a57d563fbe162e528c8bf2d27e9cac7c7b",
"https://git.kernel.org/stable/c/21cbf883d073abbfe09e3924466aa5e0449e7261",
"https://git.kernel.org/stable/c/442ceac0393185e9982323f6682a52a53e8462b1",
"https://git.kernel.org/stable/c/a3827e310b5a73535646ef4a552d53b3c8bf74f6",
"https://git.kernel.org/stable/c/d21ec867d84c9f3a9845d7d8c90c9ce35dbe48f8",
"https://git.kernel.org/stable/c/d943b5f592767b107ba8c12a902f17431350378c",
"https://git.kernel.org/stable/c/e3c35177103ead4658b8a62f41e3080d45885464",
"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/22xxx/CVE-2026-22978.json",
"https://nvd.nist.gov/vuln/detail/CVE-2026-22978",
"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/2026/22xxx/CVE-2026-22978.json"
}
},
"related_cves": [
{
"value": "CVE-2026-22978",
"evidence": "/id"
}
],
"security_relevant": true,
"severity_evidence": null
},
"source_id": "core-osv",
"document_id": 507848,
"published_at": "2026-01-23T15:24:00.482+00:00"
}