CVE-2025-39971
Full vulnerability record from the local CVENow database.
Description
In the Linux kernel, the following vulnerability has been resolved: i40e: fix idx validation in config queues msg Ensure idx is within range of active/initialized TCs when iterating over vf->ch[idx] in i40e_vc_config_queues_msg().
Severity
HIGH
CVSS score
8.8
(v3.1)
Vulnerability status
Deferred
Source identifier
416baaa9-dc9f-4396-8d5f-8c081fb06d67
Published
2025-10-15 08:15:34.757000
Last modified
2026-10-19 21:10:00.160000
View original CVE JSON
{
"id": "CVE-2025-39971",
"sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"published": "2025-10-15T08:15:34.757",
"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\ni40e: fix idx validation in config queues msg\n\nEnsure idx is within range of active/initialized TCs when iterating over\nvf->ch[idx] in i40e_vc_config_queues_msg()."
},
{
"lang": "es",
"value": "En el kernel de Linux, la siguiente vulnerabilidad ha sido resuelta:\n\ni40e: corrección de la validación de idx en el mensaje de configuración de colas\n\nAsegurar que idx esté dentro del rango de los TCs activos/inicializados al iterar sobre vf->ch[idx] en i40e_vc_config_queues_msg()."
}
],
"affected": [
{
"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"affectedData": [
{
"vendor": "Linux",
"product": "Linux",
"defaultStatus": "unaffected",
"programFiles": [
"drivers/net/ethernet/intel/i40e/i40e_virtchnl_pf.c"
],
"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
"versions": [
{
"version": "c27eac48160de72dee33d42b5a33cc7b8a2eb1f5",
"lessThan": "a6ff2af78343eceb0f77ab1a2fe802183bc21648",
"versionType": "git",
"status": "affected"
},
{
"version": "c27eac48160de72dee33d42b5a33cc7b8a2eb1f5",
"lessThan": "f5f91d164af22e7147130ef8bebbdb28d8ecc6e2",
"versionType": "git",
"status": "affected"
},
{
"version": "c27eac48160de72dee33d42b5a33cc7b8a2eb1f5",
"lessThan": "1fa0aadade34481c567cdf4a897c0d4e4d548bd1",
"versionType": "git",
"status": "affected"
},
{
"version": "c27eac48160de72dee33d42b5a33cc7b8a2eb1f5",
"lessThan": "8b9c7719b0987b1c6c5fc910599f3618a558dbde",
"versionType": "git",
"status": "affected"
},
{
"version": "c27eac48160de72dee33d42b5a33cc7b8a2eb1f5",
"lessThan": "2cc26dac0518d2fa9b67ec813ee60e183480f98a",
"versionType": "git",
"status": "affected"
},
{
"version": "c27eac48160de72dee33d42b5a33cc7b8a2eb1f5",
"lessThan": "bfcc1dff429d4b99ba03e40ddacc68ea4be2b32b",
"versionType": "git",
"status": "affected"
},
{
"version": "c27eac48160de72dee33d42b5a33cc7b8a2eb1f5",
"lessThan": "5c1f96123113e0bdc6d8dc2b0830184c93da9f65",
"versionType": "git",
"status": "affected"
},
{
"version": "c27eac48160de72dee33d42b5a33cc7b8a2eb1f5",
"lessThan": "f1ad24c5abe1eaef69158bac1405a74b3c365115",
"versionType": "git",
"status": "affected"
}
]
},
{
"vendor": "Linux",
"product": "Linux",
"defaultStatus": "affected",
"programFiles": [
"drivers/net/ethernet/intel/i40e/i40e_virtchnl_pf.c"
],
"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
"versions": [
{
"version": "4.17",
"status": "affected"
},
{
"version": "0",
"lessThan": "4.17",
"versionType": "semver",
"status": "unaffected"
},
{
"version": "5.4.300",
"lessThanOrEqual": "5.4.*",
"versionType": "semver",
"status": "unaffected"
},
{
"version": "5.10.245",
"lessThanOrEqual": "5.10.*",
"versionType": "semver",
"status": "unaffected"
},
{
"version": "5.15.194",
"lessThanOrEqual": "5.15.*",
"versionType": "semver",
"status": "unaffected"
},
{
"version": "6.1.155",
"lessThanOrEqual": "6.1.*",
"versionType": "semver",
"status": "unaffected"
},
{
"version": "6.6.109",
"lessThanOrEqual": "6.6.*",
"versionType": "semver",
"status": "unaffected"
},
{
"version": "6.12.50",
"lessThanOrEqual": "6.12.*",
"versionType": "semver",
"status": "unaffected"
},
{
"version": "6.16.10",
"lessThanOrEqual": "6.16.*",
"versionType": "semver",
"status": "unaffected"
},
{
"version": "6.17",
"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:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H",
"baseScore": 8.8,
"baseSeverity": "HIGH",
"attackVector": "LOCAL",
"attackComplexity": "LOW",
"privilegesRequired": "LOW",
"userInteraction": "NONE",
"scope": "CHANGED",
"confidentialityImpact": "HIGH",
"integrityImpact": "HIGH",
"availabilityImpact": "HIGH"
},
"exploitabilityScore": 2.0,
"impactScore": 6.0
}
],
"ssvcV203": [
{
"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"ssvcData": {
"timestamp": "2026-06-16T15:52:18.829458Z",
"id": "CVE-2025-39971",
"options": [
{
"exploitation": "none"
},
{
"automatable": "no"
},
{
"technicalImpact": "partial"
}
],
"role": "CISA Coordinator",
"version": "2.0.3"
}
}
]
},
"references": [
{
"url": "https://git.kernel.org/stable/c/1fa0aadade34481c567cdf4a897c0d4e4d548bd1",
"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
},
{
"url": "https://git.kernel.org/stable/c/2cc26dac0518d2fa9b67ec813ee60e183480f98a",
"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
},
{
"url": "https://git.kernel.org/stable/c/5c1f96123113e0bdc6d8dc2b0830184c93da9f65",
"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
},
{
"url": "https://git.kernel.org/stable/c/8b9c7719b0987b1c6c5fc910599f3618a558dbde",
"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
},
{
"url": "https://git.kernel.org/stable/c/a6ff2af78343eceb0f77ab1a2fe802183bc21648",
"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
},
{
"url": "https://git.kernel.org/stable/c/bfcc1dff429d4b99ba03e40ddacc68ea4be2b32b",
"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
},
{
"url": "https://git.kernel.org/stable/c/f1ad24c5abe1eaef69158bac1405a74b3c365115",
"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
},
{
"url": "https://git.kernel.org/stable/c/f5f91d164af22e7147130ef8bebbdb28d8ecc6e2",
"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
}
]
}