https://www.reddit.com/r/linuxadmin/comments/1hcrge3/kernel_patch_changelog_summary/

kernel-changelog.sh

#!/bin/bash
# Made by u/BinkReddit
# Taken From: https://www.reddit.com/r/linuxadmin/comments/1hcrge3/kernel_patch_changelog_summary/
# set -x

if ! command -v curl >/dev/null 2>&1; then
    echo "This script requires curl."
    exit 1
fi

oIFS=$IFS

# Get current kernel version if it was not provided
if [ -z "$1" ]; then
    IFS='_-'
    # Tokenize kernel version
    # shellcheck disable=SC2162
    version=$(uname -r | awk -F '[-_]' '{print $1}')
    # Remove revision if any, currently handles revisions like 6.12.4_1 and 6.12.4-arch1-1
else
    version=$1
fi

# Tokenize kernel version
IFS='.'
# shellcheck disable=SC2206
tversion=($version)

IFS=$oIFS
URL="https://cdn.kernel.org/pub/linux/kernel/v${tversion[0]}.x/ChangeLog-$version"

# Check if the URL exists
if curl -fIso /dev/null $URL; then
    echo -e "Connecting to $URL...\n\nLinux $version"
    commits=0
    # Read the change log with blank lines removed and then sort it
    while read -r first_word remaining_words; do
    # curl -s $URL | grep "\S" | while read -r first_word remaining_words; 
        if [ "$title" = 1 ]; then
            echo $first_word $remaining_words
            title=0
            continue
        fi

        # Commit title comes right after the date
        if [ "X$first_word" = XDate: ]; then
            ((commits++))
            title=1
        fi

        # Skip the first commit as it just has the Linux version and pollutes the sort
        if [ $commits = 1 ]; then
            title=0
        fi
    # Use process substitution so we don't lose the value of commits
    done < <(curl -s $URL | grep "\S") > >(sort -f)
    # done | { sed -u 1q; sort -f; }

    # Wait for the process substitution above to complete, otherwise this is printed out of order
    wait
    echo -e "$((commits-1)) total commits"
else
    echo "There was an issue connecting to $URL."
    exit 1
fi