CVE-2025-40207 (GCVE-0-2025-40207)
Vulnerability from cvelistv5 – Published: 2025-11-12 21:56 – Updated: 2026-05-11 21:44
VLAI
EPSS
VEX
Title
media: v4l2-subdev: Fix alloc failure check in v4l2_subdev_call_state_try()
Summary
In the Linux kernel, the following vulnerability has been resolved:
media: v4l2-subdev: Fix alloc failure check in v4l2_subdev_call_state_try()
v4l2_subdev_call_state_try() macro allocates a subdev state with
__v4l2_subdev_state_alloc(), but does not check the returned value. If
__v4l2_subdev_state_alloc fails, it returns an ERR_PTR, and that would
cause v4l2_subdev_call_state_try() to crash.
Add proper error handling to v4l2_subdev_call_state_try().
Severity
No CVSS data available.
Assigner
References
Impacted products
2 products
| Vendor | Product | Version | CPE status | |
|---|---|---|---|---|
| Linux | Linux |
Affected:
982c0487185bd466059ff618f398a8d074ddb654 , < 5b0057459cdc243ffb35617603142dcace09c711
(git)
Affected: 982c0487185bd466059ff618f398a8d074ddb654 , < ed30811fbed40751deb952bde534aa2632dc0bf7 (git) Affected: 982c0487185bd466059ff618f398a8d074ddb654 , < 94e6336dc1f06a06f5b4cd04d4a012bba34f2857 (git) Affected: 982c0487185bd466059ff618f398a8d074ddb654 , < a553530b3314a0bdc98cf114cdbe204551a70a00 (git) Affected: 982c0487185bd466059ff618f398a8d074ddb654 , < f37df9a0eb5e43fcfe02cbaef076123dc0d79c7e (git) |
guessed | |
| Linux | Linux |
Affected:
6.0
Unaffected: 0 , < 6.0 (semver) Unaffected: 6.1.157 , ≤ 6.1.* (semver) Unaffected: 6.6.113 , ≤ 6.6.* (semver) Unaffected: 6.12.54 , ≤ 6.12.* (semver) Unaffected: 6.17.4 , ≤ 6.17.* (semver) Unaffected: 6.18 , ≤ * (original_commit_for_fix) |
guessed |
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}
],
"providerMetadata": {
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},
{
"url": "https://git.kernel.org/stable/c/f37df9a0eb5e43fcfe02cbaef076123dc0d79c7e"
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"title": "media: v4l2-subdev: Fix alloc failure check in v4l2_subdev_call_state_try()",
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"cveId": "CVE-2025-40207",
"datePublished": "2025-11-12T21:56:35.988Z",
"dateReserved": "2025-04-16T07:20:57.179Z",
"dateUpdated": "2026-05-11T21:44:50.064Z",
"state": "PUBLISHED"
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"date": "2026-09-19",
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"value": "In the Linux kernel, the following vulnerability has been resolved:\n\nmedia: v4l2-subdev: Fix alloc failure check in v4l2_subdev_call_state_try()\n\nv4l2_subdev_call_state_try() macro allocates a subdev state with\n__v4l2_subdev_state_alloc(), but does not check the returned value. If\n__v4l2_subdev_state_alloc fails, it returns an ERR_PTR, and that would\ncause v4l2_subdev_call_state_try() to crash.\n\nAdd proper error handling to v4l2_subdev_call_state_try()."
}
],
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"lastModified": "2026-06-17T09:21:27.530",
"metrics": {},
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"id": "CVE-2025-40207",
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"source": "Red Hat CSAF VEX",
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"title": "kernel: media: v4l2-subdev: Fix alloc failure check in v4l2_subdev_call_state_try()",
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"cve": "CVE-2025-40207",
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}
}
}
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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.
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.
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