FKIE_CVE-2006-5749
Vulnerability from fkie_nvd - Published: 2006-12-31 05:00 - Updated: 2026-06-16 22:31
Severity
Summary
The isdn_ppp_ccp_reset_alloc_state function in drivers/isdn/isdn_ppp.c in the Linux 2.4 kernel before 2.4.34-rc4 does not call the init_timer function for the ISDN PPP CCP reset state timer, which has unknown attack vectors and results in a system crash.
References
Impacted products
| Vendor | Product | Version | |
|---|---|---|---|
| linux | linux_kernel | * |
{
"affected": [
{
"affectedData": [
{
"product": "n/a",
"vendor": "n/a",
"versions": [
{
"status": "affected",
"version": "n/a"
}
]
}
],
"source": "secalert@redhat.com"
}
],
"configurations": [
{
"nodes": [
{
"cpeMatch": [
{
"criteria": "cpe:2.3:o:linux:linux_kernel:*:rc3:*:*:*:*:*:*",
"matchCriteriaId": "31BD1C79-1C19-4C82-AF27-4E2477C22B96",
"versionEndIncluding": "2.4.34",
"vulnerable": true
}
],
"negate": false,
"operator": "OR"
}
]
}
],
"cveTags": [],
"descriptions": [
{
"lang": "en",
"value": "The isdn_ppp_ccp_reset_alloc_state function in drivers/isdn/isdn_ppp.c in the Linux 2.4 kernel before 2.4.34-rc4 does not call the init_timer function for the ISDN PPP CCP reset state timer, which has unknown attack vectors and results in a system crash."
},
{
"lang": "es",
"value": "La funci\u00f3n isdn_ppp_ccp_reset_alloc_state en el drivers/isdn/isdn_ppp.c del kernel del Linu 2.4 anterior al 2.4.34-rc4 no llama a la funci\u00f3n init_timer para restaurar el estado del temporizador ISDN PPP CCP, lo cual genera vectores de ataque desconocidos y, como resultado, la ca\u00edda del sistema."
}
],
"id": "CVE-2006-5749",
"lastModified": "2026-06-16T22:31:47.500",
"metrics": {
"cvssMetricV2": [
{
"acInsufInfo": false,
"baseSeverity": "LOW",
"cvssData": {
"accessComplexity": "LOW",
"accessVector": "LOCAL",
"authentication": "SINGLE",
"availabilityImpact": "PARTIAL",
"baseScore": 1.7,
"confidentialityImpact": "NONE",
"integrityImpact": "NONE",
"vectorString": "AV:L/AC:L/Au:S/C:N/I:N/A:P",
"version": "2.0"
},
"exploitabilityScore": 3.1,
"impactScore": 2.9,
"obtainAllPrivilege": false,
"obtainOtherPrivilege": false,
"obtainUserPrivilege": false,
"source": "nvd@nist.gov",
"type": "Primary",
"userInteractionRequired": false
}
]
},
"published": "2006-12-31T05:00:00.000",
"references": [
{
"source": "secalert@redhat.com",
"url": "http://kernel.org/pub/linux/kernel/v2.4/ChangeLog-2.4.34"
},
{
"source": "secalert@redhat.com",
"tags": [
"Patch"
],
"url": "http://secunia.com/advisories/23529"
},
{
"source": "secalert@redhat.com",
"url": "http://secunia.com/advisories/23609"
},
{
"source": "secalert@redhat.com",
"url": "http://secunia.com/advisories/23752"
},
{
"source": "secalert@redhat.com",
"url": "http://secunia.com/advisories/24098"
},
{
"source": "secalert@redhat.com",
"url": "http://secunia.com/advisories/24100"
},
{
"source": "secalert@redhat.com",
"url": "http://secunia.com/advisories/24547"
},
{
"source": "secalert@redhat.com",
"url": "http://secunia.com/advisories/25226"
},
{
"source": "secalert@redhat.com",
"url": "http://secunia.com/advisories/25683"
},
{
"source": "secalert@redhat.com",
"url": "http://secunia.com/advisories/25691"
},
{
"source": "secalert@redhat.com",
"url": "http://www.kernel.org/git/?p=linux/kernel/git/wtarreau/linux-2.4.git%3Ba=commitdiff%3Bh=05dca9b77f99d80cf615075624666106d5b61727"
},
{
"source": "secalert@redhat.com",
"url": "http://www.mandriva.com/security/advisories?name=MDKSA-2007:012"
},
{
"source": "secalert@redhat.com",
"url": "http://www.mandriva.com/security/advisories?name=MDKSA-2007:025"
},
{
"source": "secalert@redhat.com",
"url": "http://www.mandriva.com/security/advisories?name=MDKSA-2007:040"
},
{
"source": "secalert@redhat.com",
"url": "http://www.novell.com/linux/security/advisories/2007_18_kernel.html"
},
{
"source": "secalert@redhat.com",
"url": "http://www.novell.com/linux/security/advisories/2007_21_kernel.html"
},
{
"source": "secalert@redhat.com",
"url": "http://www.novell.com/linux/security/advisories/2007_30_kernel.html"
},
{
"source": "secalert@redhat.com",
"url": "http://www.novell.com/linux/security/advisories/2007_35_kernel.html"
},
{
"source": "secalert@redhat.com",
"url": "http://www.securityfocus.com/archive/1/471457"
},
{
"source": "secalert@redhat.com",
"url": "http://www.securityfocus.com/bid/21835"
},
{
"source": "secalert@redhat.com",
"url": "http://www.securityfocus.com/bid/21883"
},
{
"source": "secalert@redhat.com",
"url": "http://www.trustix.org/errata/2007/0002/"
},
{
"source": "secalert@redhat.com",
"url": "http://www.ubuntu.com/usn/usn-416-1"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "http://kernel.org/pub/linux/kernel/v2.4/ChangeLog-2.4.34"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"tags": [
"Patch"
],
"url": "http://secunia.com/advisories/23529"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "http://secunia.com/advisories/23609"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "http://secunia.com/advisories/23752"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "http://secunia.com/advisories/24098"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "http://secunia.com/advisories/24100"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "http://secunia.com/advisories/24547"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "http://secunia.com/advisories/25226"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "http://secunia.com/advisories/25683"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "http://secunia.com/advisories/25691"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "http://www.kernel.org/git/?p=linux/kernel/git/wtarreau/linux-2.4.git%3Ba=commitdiff%3Bh=05dca9b77f99d80cf615075624666106d5b61727"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "http://www.mandriva.com/security/advisories?name=MDKSA-2007:012"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "http://www.mandriva.com/security/advisories?name=MDKSA-2007:025"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "http://www.mandriva.com/security/advisories?name=MDKSA-2007:040"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "http://www.novell.com/linux/security/advisories/2007_18_kernel.html"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "http://www.novell.com/linux/security/advisories/2007_21_kernel.html"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "http://www.novell.com/linux/security/advisories/2007_30_kernel.html"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "http://www.novell.com/linux/security/advisories/2007_35_kernel.html"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "http://www.securityfocus.com/archive/1/471457"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "http://www.securityfocus.com/bid/21835"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "http://www.securityfocus.com/bid/21883"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "http://www.trustix.org/errata/2007/0002/"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "http://www.ubuntu.com/usn/usn-416-1"
}
],
"sourceIdentifier": "secalert@redhat.com",
"vendorComments": [
{
"comment": "Red Hat Enterprise Linux 5 is not vulnerable to this issue as it contains a backported patch.",
"lastModified": "2007-03-14T00:00:00",
"organization": "Red Hat"
}
],
"vulnStatus": "Modified",
"weaknesses": [
{
"description": [
{
"lang": "en",
"value": "NVD-CWE-Other"
}
],
"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.
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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