CVE-2026-31431

PoC Python for Copy Fail CVE-2026-31431 Python use nosplice variant...

cve-2026-31431-check

cve-2026-31431-check cve-2026-31431-check is a small Bash triage script for checking local Linux exposure and mitigation indicators for CVE-2026-31431, also known as "Copy Fail." The script targets Debian, Ubuntu, and Debian-family derivatives including Linux Mint, Pop!OS, and similar...

Copy-Fail-CVE-2026-31431-modernized

Copy-Fail-CVE-2026-31431-modernized A modernized version of Copy Fail PE How to use it: Just clone the repository and run the Poc.py : Educational purpose This proof of concept is only for educational purpose Inspired by : Main Exploit by theori-io...

copy-fail-cve-2026-31431

Copy Fail - CVE-2026-31431 This repository provides a Go port of the public Copy Fail PoC and a reproducible build pipeline for multi architecture Linux binaries. Copy Fail CVE-2026-31431 is a Linux kernel logic flaw in authencesn that enables a deterministic 4 byte write into page cache data...

copy-fail-zig

Copy Fail CVE-2026-31431 Zig implementation Zig implementation of the 732 Byte proof of concept for the Copy Fail Linux LPE CVE-2026-31431, which was disclosed by Theori / Xint on April 29th 2026 The writeup can be found at copy.fail. This implementation has no runtime dependencies and can be run...

CVE-2026-31431-Copy-Fail

CVE-2026-31431-Copy-Fail xpl0ited by infrar3d This repository contains a proof‑of‑concept exploit for CVE-2026-31431 Copy Fail. CVE-2026-31431, known as "Copy Fail", is a high-severity Local Privilege Escalation LPE flaw in the Linux kernel that has been present for nearly a decade. It allows an...

fix-cve-2026-3143

fix-cve-2026-3143 Diagnostics and remediation for CVE-2026-31431 copy fail Installation Copy the installation script to the clipboard and run it in the command line sudo apt install git && cd && git clone https://github.com/ClimbMunchkin/fix-cve-2026-3143.git fix-cve-2026-3143 && chmod +x...

copy-fail-CVE-2026-31431-Python-Golfing

This repository does not have a README...

copy-fail-CVE-2026-31431

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

copy-fail

Copy Fail PoC Proof of concept for CVE=2026-31431 These scripts elevate any regular user to root. Works on most Linux distros and CPUs. Technical writeup at https://copy.fail...

copy.fail-mitigation-MLM

Create a new configuration channel State Channel in Multi-Linux Manager using the code from the copy-fail.sls file. Assign the config channel to all your machines and run it, or execute Highstate. This is a temporary fix!...

CVE-2026-31431-Copy-Fail

CVE-2026-31431 - Verification and Mitigation Script This repository documents a Bash script used to assess exposure to CVE-2026-31431 on Linux hosts, with a focus on Ubuntu, and to apply a simple mitigation by blocking the algifaead module. Language versions: English: README.md Portuguese:...

cve-2026-31431

CVE-2026-31431 Copy Fail Test This repository contains a workflow file for GitHub Actions to test whether the action runner is affected by CVE-2026-31431. You can do the test by yourself, just create a repository by this template and trigger the test.yml workflow manually remember to change the o...

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...

CVE-2026-31431-Copy-Fail---Vulnerability-Detection-Script

CVE-2026-31431 — Copy Fail — Vulnerability Detection Script Detection only. A working PoC already exists at copy.fail/exploit. This script is for sysadmins and security teams determining where they are vulnerable — or still vulnerable after patching. What's this about? On April 29th 2026, a...

CVE-2026-31431-exp

Adapted from https://github.com/theori-io/copy-fail-CVE-2026-31431. Added payload encryption and obfuscation, cache write-back to improve system stability, adaptive chunking, zero dependencies, multi-architecture support x86, arm, i386, etc., and other features. In theory, it can be exploited on...

copyfail-c

copyfail-c A minimal C reproduction for researching Copy Fail CVE-2026-31431. This repository contains a compact C implementation built around the Linux kernel AFALG interface for vulnerability research, behavior analysis, and controlled reproduction. Repository layout . ├── src/ C source ├── dis...

cve-2026-31431

CVE-2026-31431 Copy Fail Detection and Mitigation Tool This project provides a set of Bash scripts for detecting and mitigating CVE-2026-31431 also known as "Copy Fail", a Linux kernel local privilege escalation vulnerability. Vulnerability Overview CVE ID : CVE-2026-31431 Vulnerability Type :...

CVE-2026-31431-Linux-Copy-Fail

CVE-2026-31431 - Linux Copy-Fail Exploit Rust A Rust implementation of a local privilege escalation exploit for CVE-2026-31431 Copy-Fail. It allows executing customized shellcode such as Meterpreter Introduction Xint disclosed CVE-2026-31431, an arbitrary page cache write vulnerability that chain...

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...