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Linux Kernel 4.20 Reaches End of Life, Users Urged to Upgrade to Linux 5.0

Released on December 23rd, 2018, the Linux 4.20 kernel series brought lots of enhancements, including indirect branch speculation control per task to fix issues with the Indirect Branch Prediction Barrier (IBPB) and Single Thread Indirect Branch Predictors (STIBP) mitigations for Spectre security vulnerabilities. But, as all good things must come to an end, the Linux 4.20 kernel series reached end of life with the Linux kernel 4.20.17 point release, which means that no further maintenance updates will be released for the series. Users are now urged to upgrade their GNU/Linux distributions to the latest Linux 5.0 kernel series.