- What: Vulnerability in tgt package for Ubuntu
- Impact: Could allow authentication bypass
Ubuntu Security Notices USN-8325-1 USN-8325-1: tgt vulnerability Publication date 27 May 2026 Overview tgt could be made to generate an identical sequence of challenges. Releases 24.04 LTS 22.04 LTS 18.04 LTS 16.04 LTS 14.04 LTS Open side navigation Close side navigation Packages Details Update instructions References Related notices Packages tgt - Linux SCSI target user-space daemon Details It was discovered that tgt incorrectly tried to achieve entropy by calling rand without srand. An attacker could possibly use this issue to make tgt generate an identical sequence of challenges, resulting in authentication bypass. It was discovered that tgt incorrectly tried to achieve entropy by calling rand without srand. An attacker could possibly use this issue to make tgt generate an identical sequence of challenges, resulting in authentication bypass. Update instructions In general, a standard system update will make all the necessary changes. Learn more about how to get the fixes. The problem can be corrected by updating your system to the following package versions: Ubuntu Release Package Version 24.04 LTS noble tgt – 1:1.0.85-1.1ubuntu6+esm1 Ubuntu Pro Fix available with Ubuntu Pro via ESM Apps. A community fix might become publicly available in the future. 22.04 LTS jammy tgt – 1:1.0.80-1ubuntu2+esm1 Ubuntu Pro Fix available with Ubuntu Pro via ESM Apps. A community fix might become publicly available in the future. 18.04 LTS bionic tgt – 1:1.0.72-1ubuntu1+esm1 Ubuntu Pro Fix available with Ubuntu Pro . 16.04 LTS xenial tgt – 1:1.0.63-1ubuntu1.1+esm1 Ubuntu Pro Fix available with Ubuntu Pro via Legacy Support add-on. 14.04 LTS trusty tgt – 1:1.0.43-0ubuntu4.1~14.04.3+esm1 Ubuntu Pro Fix available with Ubuntu Pro via Legacy Support add-on. Reduce your security exposure Ubuntu Pro provides ten-year security coverage to 25,000+ packages in Main and Universe repositories, and it is free for up to five machines. Get Ubuntu Pro References CVE-2024-45751 CVE-2024-45751 Related notices USN-7024-1 USN-7024-1