How To Find Release Date of Specific Kernel Version
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I was wondering if there is a way to find the release date of a specific kernel ? For instance kernel 5.3.0-62 vs 4.15.0-118 ? I have tried web searching to no avail.
For the original release (first two numbers in the version number), which matters for hardware support and other features: https://en.wikipedia.org/wiki/Linux_kernel_version_history
Linux 5.3 was released on September 15th, 2019; Linux 4.15 on January 28th, 2018.
For the bug fix release (what comes after, in the version number), what matters for security: assuming the kernel image is installed, I would look at the dates in /usr/share/doc/linux-image-$(uname -r)/changelog.Debian.gz, where $(uname -r) can be substituted by another version.
The latest date in /usr/share/doc/linux-image-4.15.0-118-generic/changelog.Debian.gz is September 22nd, 2020. I do not have version 5.3.0-62 installed. It looks risky to use it: according to https://en.wikipedia.org/wiki/Linux_kernel_version_history version 5.3 was maintained until December 2019 and, as far as I know, nobody outside the Linux project backports security fixes for that version, as the Ubuntu and Trisquel projects do for version 4.15.
Thanks for the info, I was able to find it no issues. You confirmed what i was thinking. I figured that the 5.3.0-62 may be newer simply because of the 5.3 vs the 4.15 but I wanted to be sure. The date on the 5.3.0-62 was July of 2020 vs the September 2020 of the 4.15.0-118. I ran a few benchmarks on the different kernels and found no difference with the 5.3 so there is no need for me to use it over the 4.15.0-118.
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