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.

Metrics

No CVSS v4.0

Attack Vector Network

Attack Complexity High

Privileges Required None

Scope Unchanged

Confidentiality Impact None

Integrity Impact Low

Availability Impact High

User Interaction None

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

The EPSS score is 0.00052.

Exploitation none

Automatable no

Technical Impact partial

Affected Vendors & Products

Vendors Products
Linkerd
  • Buoyant
  • Linkerd

Configuration 1 [-]

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:*:*

No data.

No data.

Advisories
Source ID Title
EUVD EUVD EUVD-2025-13396 Linkerd resource exhaustion vulnerability
Github GHSA Github GHSA GHSA-42mr-jpwh-m9rv Linkerd resource exhaustion vulnerability
Fixes

Solution

No solution given by the vendor.

Workaround

No workaround given by the vendor.

References
Link Providers
https://docs.buoyant.io/security/advisories/2025-01/ cve-icon cve-icon
https://www.buoyant.io/resources cve-icon cve-icon
History

Sat, 12 Jul 2025 13:45:00 +0000

Type Values Removed Values Added
Metrics epss

{'score': 0.0006}

 epss

{'score': 0.00063}

Tue, 17 Jun 2025 14:30:00 +0000

Type Values Removed Values Added
First Time appeared Linkerd
Linkerd buoyant
Linkerd linkerd
CPEs cpe:2.3:a:linkerd:buoyant:*:*:*:*:enterprise:linkerd:*:*
cpe:2.3:a:linkerd:linkerd:*:*:*:*:edge:kubernetes:*:*
Vendors & Products Linkerd
Linkerd buoyant
Linkerd linkerd

Mon, 19 May 2025 15:30:00 +0000

Type Values Removed Values Added
Description In Buoyant Edge releases before edge-25.2.1 and Enterprise for Linkerd releases 2.16.* before 2.16.5, 2.17.* before 2.17.2, and 2.18.* before 2.18.0, resource exhaustion can occur for Linkerd proxy metrics. 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.

Mon, 05 May 2025 18:15:00 +0000

Type Values Removed Values Added
Weaknesses CWE-400
Metrics cvssV3_1

{'score': 6.5, 'vector': 'CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:H'}

ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Mon, 05 May 2025 16:30:00 +0000

Type Values Removed Values Added
Description In Buoyant Edge releases before edge-25.2.1 and Enterprise for Linkerd releases 2.16.* before 2.16.5, 2.17.* before 2.17.2, and 2.18.* before 2.18.0, resource exhaustion can occur for Linkerd proxy metrics.
References
cve-icon MITRE

Status: PUBLISHED

Assigner: mitre

Published:

Updated: 2025-05-19T15:10:54.584Z

Reserved: 2025-04-19T00:00:00.000Z

Link: CVE-2025-43915

cve-icon Vulnrichment

Updated: 2025-05-05T17:28:52.640Z

cve-icon NVD

Status : Analyzed

Published: 2025-05-05T17:18:49.603

Modified: 2025-06-17T14:12:57.600

Link: CVE-2025-43915

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

No data.