Linux kernel 5.7 has reached the end of life. It’s now marked as EOL (End-of-Life) on the kernel.org website.
If you are using Linux distros with Linux Kernel 5.7 series then you need to update to the latest version you canupgrade to the latest Linux 5.8 kernel
Mailing List Announcement from the Greg Korha-Hartman ( Linux Kernel Developer)
Note, this is the LAST 5.7.y kernel to be released. This release series is now end-of-life, please move to 5.8.y at this point in time. ------------ I'm announcing the release of the 5.7.19 kernel. All users of the 5.7 kernel series must upgrade. The updated 5.7.y git tree can be found at: git://git.kernel.org/pub/scm/linux/kernel/git/stable/linux-stable.git linux-5.7.y and can be browsed at the normal kernel.org git web browser: https://git.kernel.org/?p=linux/kernel/git/stable/linux-stable.git;a=summary thanks, greg k-h
Linux Kernel 5.7 Reached End of Life
We have a tutorial to upgrade Linux kernel. Please follow the instructions to upgrade the kernel in your Linux operating system.
How To Upgrade Linux Kernel In Ubuntu 20.04 LTS