msrc_cve-2025-21899
Vulnerability from csaf_microsoft
Published
2025-04-02 00:00
Modified
2025-11-02 01:01
Summary
tracing: Fix bad hist from corrupting named_triggers list
Notes
Additional Resources
To determine the support lifecycle for your software, see the Microsoft Support Lifecycle: https://support.microsoft.com/lifecycle
Disclaimer
The information provided in the Microsoft Knowledge Base is provided \"as is\" without warranty of any kind. Microsoft disclaims all warranties, either express or implied, including the warranties of merchantability and fitness for a particular purpose. In no event shall Microsoft Corporation or its suppliers be liable for any damages whatsoever including direct, indirect, incidental, consequential, loss of business profits or special damages, even if Microsoft Corporation or its suppliers have been advised of the possibility of such damages. Some states do not allow the exclusion or limitation of liability for consequential or incidental damages so the foregoing limitation may not apply.
{
"document": {
"category": "csaf_vex",
"csaf_version": "2.0",
"distribution": {
"text": "Public",
"tlp": {
"label": "WHITE",
"url": "https://www.first.org/tlp/"
}
},
"lang": "en-US",
"notes": [
{
"category": "general",
"text": "To determine the support lifecycle for your software, see the Microsoft Support Lifecycle: https://support.microsoft.com/lifecycle",
"title": "Additional Resources"
},
{
"category": "legal_disclaimer",
"text": "The information provided in the Microsoft Knowledge Base is provided \\\"as is\\\" without warranty of any kind. Microsoft disclaims all warranties, either express or implied, including the warranties of merchantability and fitness for a particular purpose. In no event shall Microsoft Corporation or its suppliers be liable for any damages whatsoever including direct, indirect, incidental, consequential, loss of business profits or special damages, even if Microsoft Corporation or its suppliers have been advised of the possibility of such damages. Some states do not allow the exclusion or limitation of liability for consequential or incidental damages so the foregoing limitation may not apply.",
"title": "Disclaimer"
}
],
"publisher": {
"category": "vendor",
"contact_details": "secure@microsoft.com",
"name": "Microsoft Security Response Center",
"namespace": "https://msrc.microsoft.com"
},
"references": [
{
"category": "self",
"summary": "CVE-2025-21899 tracing: Fix bad hist from corrupting named_triggers list - VEX",
"url": "https://msrc.microsoft.com/csaf/vex/2025/msrc_cve-2025-21899.json"
},
{
"category": "external",
"summary": "Microsoft Support Lifecycle",
"url": "https://support.microsoft.com/lifecycle"
},
{
"category": "external",
"summary": "Common Vulnerability Scoring System",
"url": "https://www.first.org/cvss"
}
],
"title": "tracing: Fix bad hist from corrupting named_triggers list",
"tracking": {
"current_release_date": "2025-11-02T01:01:41.000Z",
"generator": {
"date": "2025-12-06T21:19:11.162Z",
"engine": {
"name": "MSRC Generator",
"version": "1.0"
}
},
"id": "msrc_CVE-2025-21899",
"initial_release_date": "2025-04-02T00:00:00.000Z",
"revision_history": [
{
"date": "2025-11-02T01:01:41.000Z",
"legacy_version": "1",
"number": "1",
"summary": "Information published."
}
],
"status": "final",
"version": "1"
}
},
"product_tree": {
"branches": [
{
"branches": [
{
"branches": [
{
"category": "product_version",
"name": "2.0",
"product": {
"name": "CBL Mariner 2.0",
"product_id": "17086"
}
}
],
"category": "product_name",
"name": "Azure Linux"
},
{
"branches": [
{
"category": "product_version_range",
"name": "cbl2 kernel 5.15.186.1-1",
"product": {
"name": "cbl2 kernel 5.15.186.1-1",
"product_id": "1"
}
}
],
"category": "product_name",
"name": "kernel"
}
],
"category": "vendor",
"name": "Microsoft"
}
],
"relationships": [
{
"category": "default_component_of",
"full_product_name": {
"name": "cbl2 kernel 5.15.186.1-1 as a component of CBL Mariner 2.0",
"product_id": "17086-1"
},
"product_reference": "1",
"relates_to_product_reference": "17086"
}
]
},
"vulnerabilities": [
{
"cve": "CVE-2025-21899",
"cwe": {
"id": "CWE-476",
"name": "NULL Pointer Dereference"
},
"notes": [
{
"category": "general",
"text": "Linux",
"title": "Assigning CNA"
}
],
"product_status": {
"known_affected": [
"17086-1"
]
},
"references": [
{
"category": "self",
"summary": "CVE-2025-21899 tracing: Fix bad hist from corrupting named_triggers list - VEX",
"url": "https://msrc.microsoft.com/csaf/vex/2025/msrc_cve-2025-21899.json"
}
],
"remediations": [
{
"category": "none_available",
"date": "2025-11-02T01:01:41.000Z",
"details": "There is no fix available for this vulnerability as of now",
"product_ids": [
"17086-1"
]
}
],
"scores": [
{
"cvss_v3": {
"attackComplexity": "LOW",
"attackVector": "LOCAL",
"availabilityImpact": "HIGH",
"baseScore": 5.5,
"baseSeverity": "MEDIUM",
"confidentialityImpact": "NONE",
"environmentalsScore": 0.0,
"integrityImpact": "NONE",
"privilegesRequired": "LOW",
"scope": "UNCHANGED",
"temporalScore": 5.5,
"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"
},
"products": [
"17086-1"
]
}
],
"title": "tracing: Fix bad hist from corrupting named_triggers list"
}
]
}
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Sightings
| Author | Source | Type | Date |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
- Confirmed: The vulnerability is confirmed from an analyst perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
- Patched: This vulnerability was successfully patched by the user reporting the sighting.
- Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
- Not confirmed: The user expresses doubt about the veracity of the vulnerability.
- Not patched: This vulnerability was not successfully patched by the user reporting the sighting.
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