THE Linux Kernel 7.1 series has officially reached end of life and will no longer receive security updates. It first shipped on 14 June 2026 and, as a non‑Long‑Term Support (LTS) release, had a notably brief lifecycle. The final 7.1 maintenance build was 7.1.13, released on 2 September 2026, which included 76 fixes across key components such as KVM, USB, and audio, with additional improvements for WiFi, file systems, and encryption modules.
After the end of support, the kernel team will not provide bug fixes or security patches for 7.1. Administrators are advised to migrate to the Linux Kernel 7.2 series to maintain security and stability. The 7.2 line officially debuted on 16 August 2026, with 7.2.3 cited as the latest stable update at the time, addressing numerous known issues and critical vulnerabilities.
The article also cautions that there is a distinction between upstream kernels and downstream distributions (for example, Ubuntu, Debian, and RHEL), which typically backport patches for their own releases. Displaying a version lower than 7.2 does not automatically imply obsolete security; organisations should consult their distribution’s support information for accurate guidance.
Active Linux Kernel LTS editions remain in maintenance to provide extended stability in enterprise environments: 6.18, 6.12, 6.6, 6.1, 5.15, and 5.10. The piece underscores shifting to 7.2 or an LTS kernel as part of a prudent upgrade path.