CVE-2025-43915

In Linkerd edge releases before edge-25.2.1, and Buoyant Enterprise for Linkerd releases 2.13.0–2.13.7, 2.14.0–2.14.10, 2.15.0–2.15.7, 2.16.0–2.16.4, and 2.17.0–2.17.1, resource exhaustion can occur for Linkerd proxy metrics.

CVSS v3 6.5 MEDIUM

6.5^/10

CVSS v3 : MEDIUM

Vector :

Exploitability : 2.2 / Impact : 4.2

Attack Vector NETWORK

Attack Complexity HIGH

Privileges Required NONE

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact LOW

Availability Impact HIGH

Scope UNCHANGED

References

Link	Resource
https://docs.buoyant.io/security/advisories/2025-01/	Vendor Advisory
https://www.buoyant.io/resources	Product

Configurations

Configuration 1 (hide)

OR	cpe:2.3:a:linkerd:buoyant:::::enterprise:linkerd::
	cpe:2.3:a:linkerd:buoyant:::::enterprise:linkerd::
	cpe:2.3:a:linkerd:buoyant:::::enterprise:linkerd::
	cpe:2.3:a:linkerd:buoyant:::::enterprise:linkerd::
	cpe:2.3:a:linkerd:buoyant:::::enterprise:linkerd::
	cpe:2.3:a:linkerd:linkerd:::::edge:kubernetes::

History

17 Jun 2025, 14:12

Type	Values Removed	Values Added
New CVE

Information

Published : 2025-05-05 17:18

Updated : 2025-06-17 14:12

NVD link : CVE-2025-43915

Mitre link : CVE-2025-43915

CVE.ORG link : CVE-2025-43915

JSON object : View

Products Affected

linkerd

buoyant
linkerd

CWE

CWE-400

Uncontrolled Resource Consumption

{"id": "CVE-2025-43915", "cveTags": [], "metrics": {"cvssMetricV31": [{"type": "Secondary", "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 6.5, "attackVector": "NETWORK", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:H", "integrityImpact": "LOW", "userInteraction": "NONE", "attackComplexity": "HIGH", "availabilityImpact": "HIGH", "privilegesRequired": "NONE", "confidentialityImpact": "NONE"}, "impactScore": 4.2, "exploitabilityScore": 2.2}]}, "published": "2025-05-05T17:18:49.603", "references": [{"url": "https://docs.buoyant.io/security/advisories/2025-01/", "tags": ["Vendor Advisory"], "source": "cve@mitre.org"}, {"url": "https://www.buoyant.io/resources", "tags": ["Product"], "source": "cve@mitre.org"}], "vulnStatus": "Analyzed", "weaknesses": [{"type": "Secondary", "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "description": [{"lang": "en", "value": "CWE-400"}]}], "descriptions": [{"lang": "en", "value": "In Linkerd edge releases before edge-25.2.1, and Buoyant Enterprise for Linkerd releases 2.13.0\u20132.13.7, 2.14.0\u20132.14.10, 2.15.0\u20132.15.7, 2.16.0\u20132.16.4, and 2.17.0\u20132.17.1, resource exhaustion can occur for Linkerd proxy metrics."}, {"lang": "es", "value": "En las versiones de Buoyant Edge anteriores a edge-25.2.1 y en Enterprise para Linkerd versiones 2.16.* anteriores a 2.16.5, 2.17.* anteriores a 2.17.2 y 2.18.* anteriores a 2.18.0, se pueden producir agotamiento de los recursos para las m\u00e9tricas de proxy de Linkerd."}], "lastModified": "2025-06-17T14:12:57.600", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:linkerd:buoyant:*:*:*:*:enterprise:linkerd:*:*", "vulnerable": true, "matchCriteriaId": "C9742371-D40C-41C4-B2BF-549DFD744D25", "versionEndIncluding": "2.13.7", "versionStartIncluding": "2.13.0"}, {"criteria": "cpe:2.3:a:linkerd:buoyant:*:*:*:*:enterprise:linkerd:*:*", "vulnerable": true, "matchCriteriaId": "50AC0938-14D0-4C9F-91A2-AE672D698440", "versionEndIncluding": "2.14.10", "versionStartIncluding": "2.14.0"}, {"criteria": "cpe:2.3:a:linkerd:buoyant:*:*:*:*:enterprise:linkerd:*:*", "vulnerable": true, "matchCriteriaId": "DFA5823A-8764-4DA2-B581-98C81EB8595C", "versionEndIncluding": "2.15.7", "versionStartIncluding": "2.15.0"}, {"criteria": "cpe:2.3:a:linkerd:buoyant:*:*:*:*:enterprise:linkerd:*:*", "vulnerable": true, "matchCriteriaId": "4958DFE3-9F0F-4B67-9BBC-F94D3A006DFD", "versionEndExcluding": "2.16.5", "versionStartIncluding": "2.16.0"}, {"criteria": "cpe:2.3:a:linkerd:buoyant:*:*:*:*:enterprise:linkerd:*:*", "vulnerable": true, "matchCriteriaId": "23536DA5-20CE-4B36-BB34-5487C7CFF3E4", "versionEndExcluding": "2.17.2", "versionStartIncluding": "2.17.0"}, {"criteria": "cpe:2.3:a:linkerd:linkerd:*:*:*:*:edge:kubernetes:*:*", "vulnerable": true, "matchCriteriaId": "345C63E1-3AC0-4698-9066-DCD4B3DCD8E4", "versionEndExcluding": "25.2.1"}], "operator": "OR"}]}], "sourceIdentifier": "cve@mitre.org"}