EntrySign - Vulnerability

Threat entity extracted from intelligence sources

Frequency
8
occurrences
First Seen
April 16, 2026
Last Seen
June 16, 2026

EntrySign is a vulnerability tracked by ThreatCluster, appearing in 2 threat clusters built from 8 intelligence report mentions.

EntrySign is a vulnerability tracked across 2 threat clusters and 8 intelligence report mentions on ThreatCluster. First observed April 16, 2026; most recent activity June 16, 2026.

Related Threat Clusters

  • Critical Linux Kernel Vulnerabilities Affecting AMD Zen Processors

    Multiple vulnerabilities were discovered in the Linux kernel, primarily affecting AMD Zen processors. The most notable flaw, known as EntrySign (CVE-2024-36347), allows privileged attackers to bypass CPU microcode…

    30 articles · Updated April 16, 2026
  • Multiple Linux Kernel Vulnerabilities Discovered and Patched

    Several vulnerabilities were identified in the Linux kernel affecting various architectures and subsystems. These vulnerabilities could allow attackers to compromise systems running affected versions of the kernel.…

    348 articles · Updated February 12, 2026

Recent Intelligence Reports

  • USN-8440-1: Linux kernel (Azure) vulnerabilities — Ubuntu · June 16, 2026
  • USN-8185-1: Linux kernel (NVIDIA) vulnerabilities — Ubuntu · April 17, 2026
  • USN-8179-2: Linux kernel (FIPS) vulnerabilities — Ubuntu · April 17, 2026
  • USN-8184-1: Linux kernel (Real-time) vulnerabilities — Ubuntu · April 17, 2026
  • USN-8183-1: Linux kernel (GCP) vulnerabilities — Ubuntu · April 17, 2026
  • USN-8177-2: Linux kernel (Real-time) vulnerabilities — Ubuntu · April 17, 2026
  • USN-8179-1: Linux kernel vulnerabilities — Ubuntu · April 16, 2026
  • USN-8177-1: Linux kernel vulnerabilities — Ubuntu · April 16, 2026

Frequently asked questions

What is EntrySign?

EntrySign is a vulnerability tracked by ThreatCluster, appearing in 2 threat clusters built from 8 intelligence report mentions.

Is EntrySign still active?

The most recent intelligence report mentioning EntrySign on ThreatCluster is dated June 16, 2026. Activity was first observed April 16, 2026, giving a tracked span from then to June 16, 2026.

What is EntrySign associated with?

Across ThreatCluster reporting, EntrySign most frequently co-occurs with Malware, CVE-2024-36347, CVE-2026-31431, CVE-2026-43284, CVE-2026-43500, among 12 tracked related entities.

What are the latest developments involving EntrySign?

The most significant recent cluster is “Critical Linux Kernel Vulnerabilities Affecting AMD Zen Processors” (30 articles · Updated April 16, 2026). EntrySign appears across 2 threat clusters in total, listed above with sources.

How much reporting does ThreatCluster have on EntrySign?

EntrySign appears in 8 intelligence report mentions across 2 deduplicated threat clusters, aggregated from 17,000+ monitored sources.

CVSS v3.1 Breakdown