CVE-2025-43915

Published May 5, 2025
·
Updated

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.

Affected Software

9 affected componentsFixes available
Buoyant Edge<edge-25.2.1
Buoyant Enterprise for Linkerd>=2.16.0<2.16.5, >=2.17.0<2.17.2, >=2.18.0<2.18.0
go/github.com/linkerd/linkerd2<0.0.0-20250212165942-faa3f617eef5
0.0.0-20250212165942-faa3f617eef5
Linkerd Buoyant Linkerd>=2.13.0<=2.13.7
Linkerd Buoyant Linkerd>=2.14.0<=2.14.10
Linkerd Buoyant Linkerd>=2.15.0<=2.15.7
Linkerd Buoyant Linkerd>=2.16.0<2.16.5
Linkerd Buoyant Linkerd>=2.17.0<2.17.2
Linkerd Linkerd Kubernetes<25.2.1

Event History

May 5, 2025
CVE Published
via MITRE·12:00 AM
Data Sourced
via MITRE·12:00 AM
Description
Data Sourced
via NVD·05:18 PM
DescriptionSeverityWeakness
Data Sourced
via NVD·05:18 PM
Affected Software
Advisory Published
via GitHub·06:32 PM
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Frequently Asked Questions

1

What is the severity of CVE-2025-43915?

CVE-2025-43915 has a moderate severity level due to potential resource exhaustion in Linkerd proxy metrics.

2

How do I fix CVE-2025-43915?

To fix CVE-2025-43915, you should update to Buoyant Edge version edge-25.2.1 or Buoyant Enterprise for Linkerd versions 2.16.5, 2.17.2, or 2.18.0.

3

What products are affected by CVE-2025-43915?

CVE-2025-43915 affects Buoyant Edge versions before edge-25.2.1 and Enterprise for Linkerd versions 2.16.* before 2.16.5, 2.17.* before 2.17.2, and 2.18.* before 2.18.0.

4

What is resource exhaustion in the context of CVE-2025-43915?

Resource exhaustion in CVE-2025-43915 refers to the potential depletion of system resources due to excessive metrics being generated by the Linkerd proxy.

5

Where can I find more information about CVE-2025-43915?

For more information about CVE-2025-43915, refer to the official advisories from Buoyant and security documentation.

Contact

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