Critical EDK II Vulnerabilities Affect Ubuntu 22.04 and 24.04 LTS

Linuxsecurity

Critical EDK II Vulnerabilities Affect Ubuntu 22.04 and 24.04 LTS

First seen 26 Nov 2025, 22:33 UTC • •48.1

Article Content

1 / 4

Browse articles

ThreatCluster •March 12, 2026 at 13:27 UTC

EDK II in Ubuntu 22.04 LTS and 24.04 LTS has critical vulnerabilities, including a predictable TCP Initial Sequence Number that could allow unauthorized access. Additionally, improper handling of S3 sleep could lead to a denial of service. These issues are identified as CVE-2023-45236, CVE-2023-45237, and CVE-2024-1298.

Start a free Starter trial for enhanced analysis

Ask AI about this cluster

Answers cite the sources they use

Updated 229d ago How this analysis works

More articles in this cluster (3)

Following this threat?

Track Ubuntu and CVE-2021-3712 in your own feed — you're alerted when they show up in new reporting, leak sites or exploitation.

Free account · no card needed

Continue Reading

Microsoft Issues Emergency Patches for Critical Brotli Vulnerability in .NET On October 27, 2026, Microsoft released emergency out-of-band security updates for .NET 8, 9, 10, and 11 RC3 to address CVE-2026-111497, a critical out-of-bounds write vulnerability in the Brotli decompression library. This flaw allows unauthenticated remote attackers to execute arbitrary code by sending crafted…

PHP2Shell Vulnerabilities Exploited by AI-Driven Attackers Threat actors have exploited PHP2Shell vulnerabilities (CVE-2026-109618 and CVE-2026-109619) to target a government entity in Europe, gaining access to sensitive data within two hours of the initial breach. The attackers utilized AI tools for reconnaissance and post-exploitation activities, including accessing…