FKIE_CVE-2025-38420
Vulnerability from fkie_nvd - Published: 2025-07-25 15:15 - Updated: 2026-06-17 09:16
Severity
Summary
In the Linux kernel, the following vulnerability has been resolved:
wifi: carl9170: do not ping device which has failed to load firmware
Syzkaller reports [1, 2] crashes caused by an attempts to ping
the device which has failed to load firmware. Since such a device
doesn't pass 'ieee80211_register_hw()', an internal workqueue
managed by 'ieee80211_queue_work()' is not yet created and an
attempt to queue work on it causes null-ptr-deref.
[1] https://syzkaller.appspot.com/bug?extid=9a4aec827829942045ff
[2] https://syzkaller.appspot.com/bug?extid=0d8afba53e8fb2633217
References
Impacted products
| Vendor | Product | Version | |
|---|---|---|---|
| linux | linux_kernel | * | |
| linux | linux_kernel | * | |
| linux | linux_kernel | * | |
| linux | linux_kernel | * | |
| linux | linux_kernel | * | |
| linux | linux_kernel | * | |
| linux | linux_kernel | * | |
| linux | linux_kernel | 6.16 | |
| linux | linux_kernel | 6.16 | |
| debian | debian_linux | 11.0 |
{
"affected": [
{
"affectedData": [
{
"defaultStatus": "unaffected",
"product": "Linux",
"programFiles": [
"drivers/net/wireless/ath/carl9170/usb.c"
],
"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
"vendor": "Linux",
"versions": [
{
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"status": "affected",
"version": "e4a668c59080f862af3ecc28b359533027cbe434",
"versionType": "git"
},
{
"lessThan": "8a3734a6f4c05fd24605148f21fb2066690d61b3",
"status": "affected",
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"versionType": "git"
},
{
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"status": "affected",
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"versionType": "git"
},
{
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"versionType": "git"
},
{
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},
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"versionType": "git"
},
{
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"status": "affected",
"version": "e4a668c59080f862af3ecc28b359533027cbe434",
"versionType": "git"
},
{
"lessThan": "15d25307692312cec4b57052da73387f91a2e870",
"status": "affected",
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"versionType": "git"
}
]
},
{
"defaultStatus": "affected",
"product": "Linux",
"programFiles": [
"drivers/net/wireless/ath/carl9170/usb.c"
],
"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
"vendor": "Linux",
"versions": [
{
"status": "affected",
"version": "2.6.38"
},
{
"lessThan": "2.6.38",
"status": "unaffected",
"version": "0",
"versionType": "semver"
},
{
"lessThanOrEqual": "5.4.*",
"status": "unaffected",
"version": "5.4.295",
"versionType": "semver"
},
{
"lessThanOrEqual": "5.10.*",
"status": "unaffected",
"version": "5.10.239",
"versionType": "semver"
},
{
"lessThanOrEqual": "5.15.*",
"status": "unaffected",
"version": "5.15.186",
"versionType": "semver"
},
{
"lessThanOrEqual": "6.1.*",
"status": "unaffected",
"version": "6.1.142",
"versionType": "semver"
},
{
"lessThanOrEqual": "6.6.*",
"status": "unaffected",
"version": "6.6.95",
"versionType": "semver"
},
{
"lessThanOrEqual": "6.12.*",
"status": "unaffected",
"version": "6.12.35",
"versionType": "semver"
},
{
"lessThanOrEqual": "6.15.*",
"status": "unaffected",
"version": "6.15.4",
"versionType": "semver"
},
{
"lessThanOrEqual": "*",
"status": "unaffected",
"version": "6.16",
"versionType": "original_commit_for_fix"
}
]
}
],
"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
}
],
"configurations": [
{
"nodes": [
{
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"versionEndExcluding": "5.4.295",
"versionStartIncluding": "2.6.38",
"vulnerable": true
},
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},
{
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},
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"versionEndExcluding": "6.15.4",
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},
{
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"matchCriteriaId": "6D4894DB-CCFE-4602-B1BF-3960B2E19A01",
"vulnerable": true
},
{
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"matchCriteriaId": "09709862-E348-4378-8632-5A7813EDDC86",
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}
],
"negate": false,
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}
]
},
{
"nodes": [
{
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"vulnerable": true
}
],
"negate": false,
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}
]
}
],
"cveTags": [],
"descriptions": [
{
"lang": "en",
"value": "In the Linux kernel, the following vulnerability has been resolved:\n\nwifi: carl9170: do not ping device which has failed to load firmware\n\nSyzkaller reports [1, 2] crashes caused by an attempts to ping\nthe device which has failed to load firmware. Since such a device\ndoesn\u0027t pass \u0027ieee80211_register_hw()\u0027, an internal workqueue\nmanaged by \u0027ieee80211_queue_work()\u0027 is not yet created and an\nattempt to queue work on it causes null-ptr-deref.\n\n[1] https://syzkaller.appspot.com/bug?extid=9a4aec827829942045ff\n[2] https://syzkaller.appspot.com/bug?extid=0d8afba53e8fb2633217"
},
{
"lang": "es",
"value": "En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: wifi: carl9170: no hacer ping al dispositivo que no ha podido cargar el firmware. Syzkaller reporta [1, 2] fallos causados por intentos de hacer ping al dispositivo que no ha podido cargar el firmware. Dado que dicho dispositivo no supera la prueba \u0027ieee80211_register_hw()\u0027, a\u00fan no se crea una cola de trabajo interna administrada por \u0027ieee80211_queue_work()\u0027 y cualquier intento de cola de trabajo en ella provoca un error de referencia nulo (PTR). [1] https://syzkaller.appspot.com/bug?extid=9a4aec827829942045ff [2] https://syzkaller.appspot.com/bug?extid=0d8afba53e8fb2633217"
}
],
"id": "CVE-2025-38420",
"lastModified": "2026-06-17T09:16:49.457",
"metrics": {
"cvssMetricV31": [
{
"cvssData": {
"attackComplexity": "LOW",
"attackVector": "LOCAL",
"availabilityImpact": "HIGH",
"baseScore": 5.5,
"baseSeverity": "MEDIUM",
"confidentialityImpact": "NONE",
"integrityImpact": "NONE",
"privilegesRequired": "LOW",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
"version": "3.1"
},
"exploitabilityScore": 1.8,
"impactScore": 3.6,
"source": "nvd@nist.gov",
"type": "Primary"
}
]
},
"published": "2025-07-25T15:15:26.793",
"references": [
{
"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"tags": [
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],
"url": "https://git.kernel.org/stable/c/0140d3d37f0f1759d1fdedd854c7875a86e15f8d"
},
{
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},
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{
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{
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},
{
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"tags": [
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"Third Party Advisory"
],
"url": "https://lists.debian.org/debian-lts-announce/2025/10/msg00007.html"
},
{
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}
],
"sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"vulnStatus": "Analyzed",
"weaknesses": [
{
"description": [
{
"lang": "en",
"value": "CWE-476"
}
],
"source": "nvd@nist.gov",
"type": "Primary"
}
]
}
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Experimental. This forecast is provided for visualization only and may change without notice. Do not use it for operational decisions.
Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.
Sightings
| Author | Source | Type | Date | Other |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or observed by the user.
- Confirmed: The vulnerability has been validated from an analyst's perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
- Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
- Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
- Not confirmed: The user expressed doubt about the validity of the vulnerability.
- Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.
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The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the
vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base
model, served locally by ML-Gateway.
They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
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