Renowned Linux kernel developer and maintainer Greg Kroah-Hartman announced the end of life of the Linux 4.20 kernel series, urging users to upgrade to a newer kernel series as soon as possible.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.
It also introduced better Spectre Variant 2 userspace-userspace protection, stronger Spectre Variant 4 mitigations for ARM64 (AArch64) CPUs, support for AMD Radeon Pro Vega 20 GPUs, support for the C-SKY CPU architecture, as well as support for Hygon Dhyana x86 CPUs and AMD Radeon Picasso and Raven 2 GPUs.
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 f... (read more)
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