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vuln-cve/data/2026/49xxx/CVE-2026-49424.json
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{
"dataType": "CVE_RECORD",
"dataVersion": "5.2",
"cveMetadata": {
"cveId": "CVE-2026-49424",
"assignerOrgId": "63664ac6-956c-4cba-a5d0-f46076e16109",
"state": "PUBLISHED",
"assignerShortName": "freebsd",
"dateReserved": "2026-05-29T20:24:28.616Z",
"datePublished": "2026-08-19T07:08:35.691Z",
"dateUpdated": "2026-08-26T17:52:14.113Z"
},
"containers": {
"cna": {
"datePublic": "2026-06-30T20:00:00.000Z",
"title": "Kernel stack disclosure in Linux compatibility layer",
"references": [
{
"tags": [
"vendor-advisory"
],
"url": "https://security.freebsd.org/advisories/FreeBSD-SA-26:47.linux.asc"
}
],
"affected": [
{
"defaultStatus": "unknown",
"modules": [
"linux"
],
"product": "FreeBSD",
"vendor": "FreeBSD",
"versions": [
{
"status": "affected",
"versionType": "release",
"version": "15.0-RELEASE",
"lessThan": "p11"
},
{
"status": "affected",
"versionType": "release",
"version": "14.4-RELEASE",
"lessThan": "p7"
},
{
"status": "affected",
"versionType": "release",
"version": "14.3-RELEASE",
"lessThan": "p16"
}
]
}
],
"credits": [
{
"lang": "en",
"type": "finder",
"value": "Adam Crosser, Praetorian"
}
],
"descriptions": [
{
"lang": "en",
"value": "The Linux waitid() implementation translates a FreeBSD siginfo_t struct into a stack-declared Linux siginfo_t. It did not first zero the stack struct.\n\nAn unprivileged user may observe 104 bytes of uninitialized kernel stack data, which may contain sensitive information."
}
],
"problemTypes": [
{
"descriptions": [
{
"cweId": "CWE-908",
"description": "CWE-908: Use of Uninitialized Resource",
"lang": "en",
"type": "CWE"
}
]
}
],
"providerMetadata": {
"orgId": "63664ac6-956c-4cba-a5d0-f46076e16109",
"shortName": "freebsd",
"dateUpdated": "2026-08-19T07:08:35.691Z"
},
"x_generator": {
"engine": "cvelib 1.8.0"
}
},
"adp": [
{
"metrics": [
{
"cvssV3_1": {
"scope": "UNCHANGED",
"version": "3.1",
"baseScore": 5.5,
"attackVector": "LOCAL",
"baseSeverity": "MEDIUM",
"vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N",
"integrityImpact": "NONE",
"userInteraction": "NONE",
"attackComplexity": "LOW",
"availabilityImpact": "NONE",
"privilegesRequired": "LOW",
"confidentialityImpact": "HIGH"
}
},
{
"other": {
"type": "ssvc",
"content": {
"timestamp": "2026-08-26T17:52:11.389421Z",
"id": "CVE-2026-49424",
"options": [
{
"Exploitation": "none"
},
{
"Automatable": "no"
},
{
"Technical Impact": "partial"
}
],
"role": "CISA Coordinator",
"version": "2.0.3"
}
}
}
],
"title": "CISA ADP Vulnrichment",
"providerMetadata": {
"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"shortName": "CISA-ADP",
"dateUpdated": "2026-08-26T17:52:14.113Z"
}
}
]
}
}