GSD-2007-3732
Vulnerability from gsd - Updated: 2023-12-13 01:21Details
In Linux 2.6 before 2.6.23, the TRACE_IRQS_ON function in iret_exc calls a C function without ensuring that the segments are set properly. The kernel's %fs needs to be restored before the call in TRACE_IRQS_ON and before enabling interrupts, so that "current" references work. Without this, "current" used in the window between iret_exc and the middle of error_code where %fs is reset, would crash.
Aliases
Aliases
{
"GSD": {
"alias": "CVE-2007-3732",
"description": "In Linux 2.6 before 2.6.23, the TRACE_IRQS_ON function in iret_exc calls a C function without ensuring that the segments are set properly. The kernel\u0027s %fs needs to be restored before the call in TRACE_IRQS_ON and before enabling interrupts, so that \"current\" references work. Without this, \"current\" used in the window between iret_exc and the middle of error_code where %fs is reset, would crash.",
"id": "GSD-2007-3732"
},
"gsd": {
"metadata": {
"exploitCode": "unknown",
"remediation": "unknown",
"reportConfidence": "confirmed",
"type": "vulnerability"
},
"osvSchema": {
"aliases": [
"CVE-2007-3732"
],
"details": "In Linux 2.6 before 2.6.23, the TRACE_IRQS_ON function in iret_exc calls a C function without ensuring that the segments are set properly. The kernel\u0027s %fs needs to be restored before the call in TRACE_IRQS_ON and before enabling interrupts, so that \"current\" references work. Without this, \"current\" used in the window between iret_exc and the middle of error_code where %fs is reset, would crash.",
"id": "GSD-2007-3732",
"modified": "2023-12-13T01:21:42.110082Z",
"schema_version": "1.4.0"
}
},
"namespaces": {
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"ASSIGNER": "secalert@redhat.com",
"ID": "CVE-2007-3732",
"STATE": "PUBLIC"
},
"affects": {
"vendor": {
"vendor_data": [
{
"product": {
"product_data": [
{
"product_name": "linux-2.6",
"version": {
"version_data": [
{
"version_affected": "=",
"version_value": "2.6 before 2.6.23"
}
]
}
}
]
},
"vendor_name": "linux-2.6"
}
]
}
},
"data_format": "MITRE",
"data_type": "CVE",
"data_version": "4.0",
"description": {
"description_data": [
{
"lang": "eng",
"value": "In Linux 2.6 before 2.6.23, the TRACE_IRQS_ON function in iret_exc calls a C function without ensuring that the segments are set properly. The kernel\u0027s %fs needs to be restored before the call in TRACE_IRQS_ON and before enabling interrupts, so that \"current\" references work. Without this, \"current\" used in the window between iret_exc and the middle of error_code where %fs is reset, would crash."
}
]
},
"problemtype": {
"problemtype_data": [
{
"description": [
{
"lang": "eng",
"value": "Reset %fs early in iret_exc"
}
]
}
]
},
"references": {
"reference_data": [
{
"name": "https://access.redhat.com/security/cve/cve-2007-3732",
"refsource": "MISC",
"url": "https://access.redhat.com/security/cve/cve-2007-3732"
},
{
"name": "https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2007-3732",
"refsource": "MISC",
"url": "https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2007-3732"
},
{
"name": "https://security-tracker.debian.org/tracker/CVE-2007-3732",
"refsource": "MISC",
"url": "https://security-tracker.debian.org/tracker/CVE-2007-3732"
}
]
}
},
"nvd.nist.gov": {
"configurations": {
"CVE_data_version": "4.0",
"nodes": [
{
"children": [],
"cpe_match": [
{
"cpe23Uri": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"cpe_name": [],
"versionEndExcluding": "2.6.23",
"versionStartIncluding": "2.6.0",
"vulnerable": true
}
],
"operator": "OR"
}
]
},
"cve": {
"CVE_data_meta": {
"ASSIGNER": "secalert@redhat.com",
"ID": "CVE-2007-3732"
},
"data_format": "MITRE",
"data_type": "CVE",
"data_version": "4.0",
"description": {
"description_data": [
{
"lang": "en",
"value": "In Linux 2.6 before 2.6.23, the TRACE_IRQS_ON function in iret_exc calls a C function without ensuring that the segments are set properly. The kernel\u0027s %fs needs to be restored before the call in TRACE_IRQS_ON and before enabling interrupts, so that \"current\" references work. Without this, \"current\" used in the window between iret_exc and the middle of error_code where %fs is reset, would crash."
}
]
},
"problemtype": {
"problemtype_data": [
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"value": "NVD-CWE-Other"
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"references": {
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"tags": [
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],
"url": "https://security-tracker.debian.org/tracker/CVE-2007-3732"
},
{
"name": "https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2007-3732",
"refsource": "MISC",
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"url": "https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2007-3732"
},
{
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"url": "https://access.redhat.com/security/cve/cve-2007-3732"
}
]
}
},
"impact": {
"baseMetricV2": {
"acInsufInfo": false,
"cvssV2": {
"accessComplexity": "MEDIUM",
"accessVector": "LOCAL",
"authentication": "NONE",
"availabilityImpact": "PARTIAL",
"baseScore": 1.9,
"confidentialityImpact": "NONE",
"integrityImpact": "NONE",
"vectorString": "AV:L/AC:M/Au:N/C:N/I:N/A:P",
"version": "2.0"
},
"exploitabilityScore": 3.4,
"impactScore": 2.9,
"obtainAllPrivilege": false,
"obtainOtherPrivilege": false,
"obtainUserPrivilege": false,
"severity": "LOW",
"userInteractionRequired": false
},
"baseMetricV3": {
"cvssV3": {
"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
}
},
"lastModifiedDate": "2019-11-12T15:18Z",
"publishedDate": "2019-11-07T22:15Z"
}
}
}
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Sightings
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Nomenclature
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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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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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