Copy Fail - CVE-2026-31431 Technical Writeup Tested Distro / Version Distro Version Ubuntu 24.04 LTS 6.17.0-1007-aws Amazon Linux 2023 6.18.8-9.213.amzn2023 RHEL 10.1 6.12.0-124.45.1.el10_1 SUSE 16 6.12.0-160000.9-default