Critical Linux Backdoor Found in XZ Utils: CVE-2024-3094 Urgent Downgrade Alert

April 2, 2024
Critical Linux Backdoor Found in XZ Utils: CVE-2024-3094 Urgent Downgrade Alert
  • A high-risk security vulnerability, CVE-2024-3094, was identified in the XZ Utils package, specifically versions 5.6.0 and 5.6.1, enabling unauthorized SSH access.

  • The vulnerability is a serious concern for popular Linux distributions including Fedora, Debian, Kali, openSUSE, and Arch Linux.

  • Affected Linux distributions have advised users to downgrade to previous stable versions to prevent exploitation of the flaw.

  • Red Hat has rated the security flaw with the highest severity, and the US Cybersecurity and Infrastructure Security Agency has called for immediate action to downgrade affected systems.

  • A detection tool has been made available to help organizations identify compromised XZ Utils installations.

  • The incident underscores the continuous risk of undisclosed security issues in common open-source software and the need for regular updates, security audits, and increased awareness.

Summary based on 8 sources


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