CVE-2025-40141
Full vulnerability record from the local CVENow database.
Description
In the Linux kernel, the following vulnerability has been resolved: Bluetooth: ISO: Fix possible UAF on iso_conn_free This attempt to fix similar issue to sco_conn_free where if the conn->sk is not set to NULL may lead to UAF on iso_conn_free.
Severity
HIGH
CVSS score
8.0
(v3.1)
Vulnerability status
Deferred
Source identifier
416baaa9-dc9f-4396-8d5f-8c081fb06d67
Published
2025-11-12 11:15:43.900000
Last modified
2026-10-19 21:10:00.160000
View original CVE JSON
{
"id": "CVE-2025-40141",
"sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"published": "2025-11-12T11:15:43.900",
"lastModified": "2026-10-19T21:10:00.160",
"vulnStatus": "Deferred",
"cveTags": [],
"descriptions": [
{
"lang": "en",
"value": "In the Linux kernel, the following vulnerability has been resolved:\n\nBluetooth: ISO: Fix possible UAF on iso_conn_free\n\nThis attempt to fix similar issue to sco_conn_free where if the\nconn->sk is not set to NULL may lead to UAF on iso_conn_free."
},
{
"lang": "es",
"value": "En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad:\n\nBluetooth: ISO: Corrección de posible UAF en iso_conn_free\n\nEste intento de corregir un problema similar al de sco_conn_free, donde si conn->sk no se establece en NULL, puede llevar a UAF en iso_conn_free."
}
],
"affected": [
{
"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"affectedData": [
{
"vendor": "Linux",
"product": "Linux",
"defaultStatus": "unaffected",
"programFiles": [
"net/bluetooth/iso.c"
],
"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
"versions": [
{
"version": "ccf74f2390d60a2f9a75ef496d2564abb478f46a",
"lessThan": "eba6d787ec117a5d2c60f9644e0a39c18542b6be",
"versionType": "git",
"status": "affected"
},
{
"version": "ccf74f2390d60a2f9a75ef496d2564abb478f46a",
"lessThan": "5319145a07d8bf5b0782b25cb3115825689d42bb",
"versionType": "git",
"status": "affected"
},
{
"version": "ccf74f2390d60a2f9a75ef496d2564abb478f46a",
"lessThan": "80689777919f02328eb873769de4647c9dd3e371",
"versionType": "git",
"status": "affected"
},
{
"version": "ccf74f2390d60a2f9a75ef496d2564abb478f46a",
"lessThan": "c92ad1a155ccfa38b87bd1d998287e1c0a24248d",
"versionType": "git",
"status": "affected"
},
{
"version": "ccf74f2390d60a2f9a75ef496d2564abb478f46a",
"lessThan": "9950f095d6c875dbe0c9ebfcf972ec88fdf26fc8",
"versionType": "git",
"status": "affected"
}
]
},
{
"vendor": "Linux",
"product": "Linux",
"defaultStatus": "affected",
"programFiles": [
"net/bluetooth/iso.c"
],
"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
"versions": [
{
"version": "6.0",
"status": "affected"
},
{
"version": "0",
"lessThan": "6.0",
"versionType": "semver",
"status": "unaffected"
},
{
"version": "6.1.156",
"lessThanOrEqual": "6.1.*",
"versionType": "semver",
"status": "unaffected"
},
{
"version": "6.6.112",
"lessThanOrEqual": "6.6.*",
"versionType": "semver",
"status": "unaffected"
},
{
"version": "6.12.53",
"lessThanOrEqual": "6.12.*",
"versionType": "semver",
"status": "unaffected"
},
{
"version": "6.17.3",
"lessThanOrEqual": "6.17.*",
"versionType": "semver",
"status": "unaffected"
},
{
"version": "6.18",
"lessThanOrEqual": "*",
"versionType": "original_commit_for_fix",
"status": "unaffected"
}
]
}
]
}
],
"metrics": {
"cvssMetricV31": [
{
"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"type": "Secondary",
"cvssData": {
"version": "3.1",
"vectorString": "CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
"baseScore": 8.0,
"baseSeverity": "HIGH",
"attackVector": "ADJACENT_NETWORK",
"attackComplexity": "LOW",
"privilegesRequired": "LOW",
"userInteraction": "NONE",
"scope": "UNCHANGED",
"confidentialityImpact": "HIGH",
"integrityImpact": "HIGH",
"availabilityImpact": "HIGH"
},
"exploitabilityScore": 2.1,
"impactScore": 5.9
}
],
"ssvcV203": [
{
"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"ssvcData": {
"timestamp": "2026-10-15T21:57:17.170509Z",
"id": "CVE-2025-40141",
"options": [
{
"exploitation": "none"
},
{
"automatable": "no"
},
{
"technicalImpact": "total"
}
],
"role": "CISA Coordinator",
"version": "2.0.3"
}
}
]
},
"references": [
{
"url": "https://git.kernel.org/stable/c/5319145a07d8bf5b0782b25cb3115825689d42bb",
"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
},
{
"url": "https://git.kernel.org/stable/c/80689777919f02328eb873769de4647c9dd3e371",
"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
},
{
"url": "https://git.kernel.org/stable/c/9950f095d6c875dbe0c9ebfcf972ec88fdf26fc8",
"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
},
{
"url": "https://git.kernel.org/stable/c/c92ad1a155ccfa38b87bd1d998287e1c0a24248d",
"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
},
{
"url": "https://git.kernel.org/stable/c/eba6d787ec117a5d2c60f9644e0a39c18542b6be",
"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
}
]
}