FKIE_CVE-2007-3740
Vulnerability from fkie_nvd - Published: 2007-09-14 01:17 - Updated: 2026-06-16 22:42
Severity
Summary
The CIFS filesystem in the Linux kernel before 2.6.22, when Unix extension support is enabled, does not honor the umask of a process, which allows local users to gain privileges.
References
Impacted products
| Vendor | Product | Version | |
|---|---|---|---|
| linux | linux_kernel | * | |
| linux | linux_kernel | 2.2.27 | |
| linux | linux_kernel | 2.4.36 | |
| linux | linux_kernel | 2.4.36.1 | |
| linux | linux_kernel | 2.4.36.2 | |
| linux | linux_kernel | 2.4.36.3 | |
| linux | linux_kernel | 2.4.36.4 | |
| linux | linux_kernel | 2.4.36.5 | |
| linux | linux_kernel | 2.4.36.6 | |
| linux | linux_kernel | 2.6 | |
| linux | linux_kernel | 2.6.18 | |
| linux | linux_kernel | 2.6.18 | |
| linux | linux_kernel | 2.6.18 | |
| linux | linux_kernel | 2.6.18 | |
| linux | linux_kernel | 2.6.18 | |
| linux | linux_kernel | 2.6.18 | |
| linux | linux_kernel | 2.6.18 | |
| linux | linux_kernel | 2.6.18 | |
| linux | linux_kernel | 2.6.19.4 | |
| linux | linux_kernel | 2.6.19.5 | |
| linux | linux_kernel | 2.6.19.6 | |
| linux | linux_kernel | 2.6.19.7 | |
| linux | linux_kernel | 2.6.20.16 | |
| linux | linux_kernel | 2.6.20.17 | |
| linux | linux_kernel | 2.6.20.18 | |
| linux | linux_kernel | 2.6.20.19 | |
| linux | linux_kernel | 2.6.20.20 | |
| linux | linux_kernel | 2.6.20.21 | |
| linux | linux_kernel | 2.6.21.5 | |
| linux | linux_kernel | 2.6.21.6 |
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"cveTags": [],
"descriptions": [
{
"lang": "en",
"value": "The CIFS filesystem in the Linux kernel before 2.6.22, when Unix extension support is enabled, does not honor the umask of a process, which allows local users to gain privileges."
},
{
"lang": "es",
"value": "El sistema de archivos CIFS en kernel de Linux versiones anteriores a 2.6.22, cuando el soporte de extensi\u00f3n Unix est\u00e1 habilitado, no respeta la umask de un proceso, lo que permite a usuarios locales alcanzar privilegios."
}
],
"id": "CVE-2007-3740",
"lastModified": "2026-06-16T22:42:38.323",
"metrics": {
"cvssMetricV2": [
{
"acInsufInfo": false,
"baseSeverity": "MEDIUM",
"cvssData": {
"accessComplexity": "MEDIUM",
"accessVector": "LOCAL",
"authentication": "NONE",
"availabilityImpact": "PARTIAL",
"baseScore": 4.4,
"confidentialityImpact": "PARTIAL",
"integrityImpact": "PARTIAL",
"vectorString": "AV:L/AC:M/Au:N/C:P/I:P/A:P",
"version": "2.0"
},
"exploitabilityScore": 3.4,
"impactScore": 6.4,
"obtainAllPrivilege": false,
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"obtainUserPrivilege": false,
"source": "nvd@nist.gov",
"type": "Primary",
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}
]
},
"published": "2007-09-14T01:17:00.000",
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"sourceIdentifier": "secalert@redhat.com",
"vendorComments": [
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"comment": "This issue did not affect the versions of the Linux kernel as shipped with Red Hat Enterprise Linux 2.1 or 3.",
"lastModified": "2007-10-18T00:00:00",
"organization": "Red Hat"
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"vulnStatus": "Modified",
"weaknesses": [
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"lang": "en",
"value": "CWE-264"
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"source": "nvd@nist.gov",
"type": "Primary"
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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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