Ctnetlink — Cyber Threats, Attacks & Incidents

Threat entity extracted from intelligence sources

Frequency
1
occurrences
First Seen
February 18, 2026
Last Seen
February 18, 2026

Ctnetlink is a technology platform tracked by ThreatCluster, appearing in 1 threat cluster built from 1 intelligence report mention.

Ctnetlink is a technology platform tracked across 1 threat cluster and 1 intelligence report mention on ThreatCluster. First observed February 18, 2026; most recent activity February 18, 2026.

Related Threat Clusters

  • Updates on CVE-2024-44944 and CVE-2025-39764 in Netfilter

    CVE-2024-44944, published on August 30, 2024, addresses a vulnerability in netfilter's ctnetlink that involves a helper function for calculating expect IDs. CVE-2025-39764, published on September 11, 2025, pertains to…

    2 articles · Updated February 21, 2026

Recent Intelligence Reports

  • CVE-2025-39764 netfilter: ctnetlink: remove refcounting in expectation dumpers — Api.Msrc.Microsoft · February 18, 2026

Related Entities

Frequently asked questions

What is Ctnetlink?

Ctnetlink is a technology platform tracked by ThreatCluster, appearing in 1 threat cluster built from 1 intelligence report mention.

Is Ctnetlink still active?

The most recent intelligence report mentioning Ctnetlink on ThreatCluster is dated February 18, 2026.

What is Ctnetlink associated with?

Across ThreatCluster reporting, Ctnetlink most frequently co-occurs with CVE-2025-39764, Netfilter.

What are the latest developments involving Ctnetlink?

The most significant recent cluster is “Updates on CVE-2024-44944 and CVE-2025-39764 in Netfilter” (2 articles · Updated February 21, 2026). Ctnetlink appears across 1 threat cluster in total, listed above with sources.

How much reporting does ThreatCluster have on Ctnetlink?

Ctnetlink appears in 1 intelligence report mention across 1 deduplicated threat cluster, aggregated from 17,000+ monitored sources.

CVSS v3.1 Breakdown