Ubuntu Security Notices USN-8142-1 USN-8142-1: Linux kernel vulnerability Publication date 1 April 2026 Overview The system could be made to crash under certain conditions. Releases 14.04 LTS Open side navigation Close side navigation Packages Details Update instructions References Packages linux - Linux kernel Details A security issue was discovered in the Linux kernel. An attacker could possibly use this to compromise the system. This update corrects flaws in the following subsystems: Network traffic control A security issue was discovered in the Linux kernel. An attacker could possibly use this to compromise the system. This update corrects flaws in the following subsystems: Network traffic control Update instructions After a standard system update you need to reboot your computer to make all the necessary changes. Learn more about how to get the fixes. ATTENTION: Due to an unavoidable ABI change the kernel updates have been given a new version number, which requires you to recompile and reinstall all third party kernel modules you might have installed. Unless you manually uninstalled the standard kernel metapackages (e.g. linux-generic, linux-generic-lts-RELEASE, linux-virtual, linux-powerpc), a standard system upgrade will automatically perform this as well. The problem can be corrected by updating your system to the following package versions: Ubuntu Release Package Version 14.04 LTS trusty linux-image-3.13.0-212-generic – 3.13.0-212.263 Ubuntu Pro Fix available with Ubuntu Pro via Legacy Support add-on. linux-image-3.13.0-212-lowlatency – 3.13.0-212.263 Ubuntu Pro Fix available with Ubuntu Pro via Legacy Support add-on. linux-image-generic – 3.13.0.212.222 Ubuntu Pro Fix available with Ubuntu Pro via Legacy Support add-on. linux-image-generic-lts-trusty – 3.13.0.212.222 Ubuntu Pro Fix available with Ubuntu Pro via Legacy Support add-on. linux-image-lowlatency – 3.13.0.212.222 Ubuntu Pro Fix available with Ubuntu Pro via Legacy Support add-on. linux-image-server – 3.13.0.212.222 Ubuntu Pro Fix available with Ubuntu Pro via Legacy Support add-on. linux-image-virtual – 3.13.0.212.222 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-2026-23074 CVE-2026-23074 Have additional questions? Talk to a member of the team ›