CVE-2025-38725 (GCVE-0-2025-38725)
Vulnerability from cvelistv5 – Published: 2025-09-04 15:33 – Updated: 2026-10-15 01:07
VLAI
EPSS
VEX
Title
net: usb: asix_devices: add phy_mask for ax88772 mdio bus
Summary
In the Linux kernel, the following vulnerability has been resolved:
net: usb: asix_devices: add phy_mask for ax88772 mdio bus
Without setting phy_mask for ax88772 mdio bus, current driver may create
at most 32 mdio phy devices with phy address range from 0x00 ~ 0x1f.
DLink DUB-E100 H/W Ver B1 is such a device. However, only one main phy
device will bind to net phy driver. This is creating issue during system
suspend/resume since phy_polling_mode() in phy_state_machine() will
directly deference member of phydev->drv for non-main phy devices. Then
NULL pointer dereference issue will occur. Due to only external phy or
internal phy is necessary, add phy_mask for ax88772 mdio bus to workarnoud
the issue.
Severity
5.5 (Medium)
Assigner
References
11 references
Impacted products
9 products
| Vendor | Product | Version | CPE status | |
|---|---|---|---|---|
| Linux | Linux |
Affected:
e532a096be0e5e570b383e71d4560e7f04384e0f , < 75947d3200de98a9ded9ad8972e02f1a177097fe
(git)
Affected: e532a096be0e5e570b383e71d4560e7f04384e0f , < 59ed6fbdb1bc03316e09493ffde7066f031c7524 (git) Affected: e532a096be0e5e570b383e71d4560e7f04384e0f , < ccef5ee4adf56472aa26bdd1f821a6d0cd06089a (git) Affected: e532a096be0e5e570b383e71d4560e7f04384e0f , < ee2cd40b0bb46056949a2319084a729d95389386 (git) Affected: e532a096be0e5e570b383e71d4560e7f04384e0f , < a754ab53993b1585132e871c5d811167ad3c52ff (git) Affected: e532a096be0e5e570b383e71d4560e7f04384e0f , < ad1f8313aeec0115f9978bd2d002ef4a8d96c773 (git) Affected: e532a096be0e5e570b383e71d4560e7f04384e0f , < 4faff70959d51078f9ee8372f8cff0d7045e4114 (git) |
guessed | |
| Linux | Linux |
Affected:
5.14
Unaffected: 0 , < 5.14 (semver) Unaffected: 5.15.190 , ≤ 5.15.* (semver) Unaffected: 6.1.149 , ≤ 6.1.* (semver) Unaffected: 6.6.103 , ≤ 6.6.* (semver) Unaffected: 6.12.43 , ≤ 6.12.* (semver) Unaffected: 6.15.11 , ≤ 6.15.* (semver) Unaffected: 6.16.2 , ≤ 6.16.* (semver) Unaffected: 6.17 , ≤ * (original_commit_for_fix) |
guessed | |
| Siemens | SIMATIC CN 4100 |
Affected:
0 , < V5.0
(custom)
|
guessed | |
| Siemens | SIMATIC S7-1500 CPU 1518-4 PN/DP MFP |
Affected:
V3.1.6 , < *
(custom)
|
guessed | |
| Siemens | SIMATIC S7-1500 CPU 1518-4 PN/DP MFP |
Affected:
V3.1.7 , < *
(custom)
|
guessed | |
| Siemens | SIMATIC S7-1500 CPU 1518F-4 PN/DP MFP |
Affected:
V3.1.6 , < *
(custom)
|
guessed | |
| Siemens | SIMATIC S7-1500 CPU 1518F-4 PN/DP MFP |
Affected:
V3.1.7 , < *
(custom)
|
guessed | |
| Siemens | SIPLUS S7-1500 CPU 1518-4 PN/DP MFP |
Affected:
V3.1.6 , < *
(custom)
|
guessed | |
| Siemens | SIPLUS S7-1500 CPU 1518-4 PN/DP MFP |
Affected:
V3.1.7 , < *
(custom)
|
guessed |
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{
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{
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],
"negate": false,
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},
{
"nodes": [
{
"cpeMatch": [
{
"criteria": "cpe:2.3:o:debian:debian_linux:11.0:*:*:*:*:*:*:*",
"matchCriteriaId": "FA6FEEC2-9F11-4643-8827-749718254FED",
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}
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],
"cveTags": [],
"descriptions": [
{
"lang": "en",
"value": "In the Linux kernel, the following vulnerability has been resolved:\n\nnet: usb: asix_devices: add phy_mask for ax88772 mdio bus\n\nWithout setting phy_mask for ax88772 mdio bus, current driver may create\nat most 32 mdio phy devices with phy address range from 0x00 ~ 0x1f.\nDLink DUB-E100 H/W Ver B1 is such a device. However, only one main phy\ndevice will bind to net phy driver. This is creating issue during system\nsuspend/resume since phy_polling_mode() in phy_state_machine() will\ndirectly deference member of phydev-\u003edrv for non-main phy devices. Then\nNULL pointer dereference issue will occur. Due to only external phy or\ninternal phy is necessary, add phy_mask for ax88772 mdio bus to workarnoud\nthe issue."
},
{
"lang": "es",
"value": "En el kernel de Linux, la siguiente vulnerabilidad ha sido resuelta:\n\nnet: usb: asix_devices: a\u00f1adir phy_mask para el bus mdio ax88772\n\nSin establecer phy_mask para el bus mdio ax88772, el controlador actual puede crear como m\u00e1ximo 32 dispositivos phy mdio con un rango de direcciones phy de 0x00 ~ 0x1f. DLink DUB-E100 H/W Ver B1 es uno de esos dispositivos. Sin embargo, solo un dispositivo phy principal se vincular\u00e1 al controlador phy de red. Esto est\u00e1 creando un problema durante la suspensi\u00f3n/reanudaci\u00f3n del sistema, ya que phy_polling_mode() en phy_state_machine() desreferenciar\u00e1 directamente un miembro de phydev-\u003edrv para dispositivos phy no principales. Entonces ocurrir\u00e1 el problema de desreferencia de puntero NULL. Debido a que solo es necesario un phy externo o un phy interno, se a\u00f1ade phy_mask para el bus mdio ax88772 para solucionar el problema."
}
],
"id": "CVE-2025-38725",
"lastModified": "2026-10-19T21:10:00.160",
"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": "2025-09-04T16:15:42.420",
"references": [
{
"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"tags": [
"Patch"
],
"url": "https://git.kernel.org/stable/c/4faff70959d51078f9ee8372f8cff0d7045e4114"
},
{
"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
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],
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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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],
"url": "https://git.kernel.org/stable/c/ee2cd40b0bb46056949a2319084a729d95389386"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"tags": [
"Mailing List",
"Third Party Advisory"
],
"url": "https://lists.debian.org/debian-lts-announce/2025/10/msg00008.html"
},
{
"source": "0b142b55-0307-4c5a-b3c9-f314f3fb7c5e",
"url": "https://cert-portal.siemens.com/productcert/html/ssa-019113.html"
},
{
"source": "0b142b55-0307-4c5a-b3c9-f314f3fb7c5e",
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},
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"vulnStatus": "Modified",
"weaknesses": [
{
"description": [
{
"lang": "en",
"value": "CWE-476"
}
],
"source": "nvd@nist.gov",
"type": "Primary"
}
]
}
},
"redhat_vex": {
"aggregate_severity": "Moderate",
"current_release_date": "2026-06-30T01:15:38+00:00",
"cve": "CVE-2025-38725",
"id": "CVE-2025-38725",
"initial_release_date": "2025-09-04T00:00:00+00:00",
"product_status:known_affected": "232",
"product_status:known_not_affected": "42",
"source": "Red Hat CSAF VEX",
"status": "final",
"title": "kernel: net: usb: asix_devices: add phy_mask for ax88772 mdio bus",
"url": "https://security.access.redhat.com/data/csaf/v2/vex/2025/cve-2025-38725.json",
"version": "3"
}
}
}
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Drag nodes to arrange them. Double-click a related vulnerability to open it, or a source to visit its link. The Physics button on the left tunes the layout and the simulation; the legend at the bottom left hides or shows nodes by kind and by sighting type.
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.
Vulnerability timeline
Sightings and recorded dates, grouped by day · UTC
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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.
Browse all ATT&CK techniques and the vulnerabilities related to each.
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.
Browse all ATT&CK techniques and the vulnerabilities related to each.
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Related by attack behaviour
Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.