CVE-2026-22978
Full vulnerability record from the local CVENow database.
Description
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.
Severity
LOW
CVSS score
3.3
(v3.1)
Vulnerability status
Analyzed
Source identifier
416baaa9-dc9f-4396-8d5f-8c081fb06d67
Published
2026-01-23 16:15:53.783000
Last modified
2026-11-05 22:17:56.630000
View original CVE JSON
{
"id": "CVE-2026-22978",
"sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"published": "2026-01-23T16:15:53.783",
"lastModified": "2026-11-05T22:17:56.630",
"vulnStatus": "Analyzed",
"cveTags": [],
"descriptions": [
{
"lang": "en",
"value": "In the Linux kernel, the following vulnerability has been resolved:\n\nwifi: avoid kernel-infoleak from struct iw_point\n\nstruct iw_point has a 32bit hole on 64bit arches.\n\nstruct iw_point {\n void __user *pointer; /* Pointer to the data (in user space) */\n __u16 length; /* number of fields or size in bytes */\n __u16 flags; /* Optional params */\n};\n\nMake sure to zero the structure to avoid disclosing 32bits of kernel data\nto user space."
},
{
"lang": "es",
"value": "En el kernel de Linux, la siguiente vulnerabilidad ha sido resuelta:\n\nwifi: evitar la fuga de información del kernel de la estructura iw_point\n\nLa estructura iw_point tiene un agujero de 32 bits en arquitecturas de 64 bits.\n\nstruct iw_point {\n void __user *pointer; /* Puntero a los datos (en espacio de usuario) */\n __u16 length; /* número de campos o tamaño en bytes */\n __u16 flags; /* Parámetros opcionales */\n};\n\nAsegúrese de poner a cero la estructura para evitar la divulgación de 32 bits de datos del kernel al espacio de usuario."
}
],
"affected": [
{
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"affectedData": [
{
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"product": "Linux",
"defaultStatus": "unaffected",
"programFiles": [
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"net/wireless/wext-priv.c"
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"defaultStatus": "affected",
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],
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{
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"metrics": {
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{
"source": "[email protected]",
"type": "Primary",
"cvssData": {
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"baseScore": 3.3,
"baseSeverity": "LOW",
"attackVector": "LOCAL",
"attackComplexity": "LOW",
"privilegesRequired": "LOW",
"userInteraction": "NONE",
"scope": "UNCHANGED",
"confidentialityImpact": "LOW",
"integrityImpact": "NONE",
"availabilityImpact": "NONE"
},
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"impactScore": 1.4
}
],
"ssvcV203": [
{
"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"ssvcData": {
"timestamp": "2026-11-05T21:17:32.819777Z",
"id": "CVE-2026-22978",
"options": [
{
"exploitation": "none"
},
{
"automatable": "no"
},
{
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}
],
"role": "CISA Coordinator",
"version": "2.0.3"
}
}
]
},
"weaknesses": [
{
"source": "[email protected]",
"type": "Primary",
"description": [
{
"lang": "en",
"value": "NVD-CWE-noinfo"
}
]
}
],
"configurations": [
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