CVE-2026-31431 (algif_aead) and Dirty Frag [CVE-2026-43284] Vulnerability Fix

Updates the system to close the CVE-2026-31431 (algif_aead) and Dirty Frag [CVE-2026-43284] vulnerabilities found in the Linux kernel and automatically sets the secure kernel version as the default.

English: This script automatically mitigates the CVE-2026-31431 (algif_aead) and Dirty Frag [CVE-2026-43284]vulnerability by updating the kernel and setting the patched version as default.

Features

• Updates the system kernel
• Detects patched kernel versions (553.121+)
• Sets the secure kernel as default in GRUB
• Disables testing repository after update

Features

• Updates the system kernel
• Detects patched kernel versions (553.121+)
• Sets the secure kernel as default in GRUB
• Disables testing repository after update (production-safe)

Requirements

• AlmaLinux / CloudLinux / RHEL-based system
• Root access
• dnf package manager

Requirements

• AlmaLinux / CloudLinux / RHEL-based system
• Root access
• dnf package manager

🔧 Usage

wget https://raw.githubusercontent.com/OmerAti/almalinux-fix-cve-2026-31431/refs/heads/main/almalinux-fix-cve-2026-31431.sh
chmod +x almalinux-fix-cve-2026-31431.sh
sudo bash almalinux-fix-cve-2026-31431.sh