#!/bin/bash

echo "========================================="
echo " CVE-2026-31431 Kernel Fix Script"
echo " Yapimci: Omer ATABER"
echo "========================================="

source /etc/os-release

echo "[+] OS: $NAME"
echo "[+] Current kernel:"
uname -r

if [[ "$NAME" == *"CloudLinux"* ]]; then

    echo "[+] CloudLinux tespit edildi"
    yum --enablerepo=cloudlinux-updates-testing update kernel -y

elif [[ "$NAME" == *"AlmaLinux"* ]]; then

    echo "[+] AlmaLinux tespit edildi"

    echo "[+] Testing repo kuruluyor..."
    dnf install -y almalinux-release-testing

    echo "[+] Kernel update yapiliyor..."
    dnf update kernel -y

    echo "[+] Testing repo kapatiliyor..."
    dnf config-manager --disable almalinux-testing

else
    echo "[!] Desteklenmeyen sistem: $NAME"
    exit 1
fi

echo ""
echo "[+] Yuklu kernel paketleri:"
rpm -q kernel | sort -V | tail -n 5

echo ""
echo "========================================="
echo " Kernel update tamamlandi!"
echo "========================================="

read -p "Reboot yapmak ister misiniz? (y/n): " REBOOT

if [[ "$REBOOT" =~ ^[Yy]$ ]]; then
    echo "[+] Sistem yeniden baslatiliyor..."
    reboot
else
    echo "[+] Reboot iptal edildi"
    echo "Kontrol icin: uname -r"
fi