copyfail

Copy Fail - CVE-2026-31431 のC言語PoC CVE-2026-31431 （Copy Fail）のローカル権限昇格エクスプロイト（C言語製）。 動作の仕組み 1. ELF解析 : PTLOADプログラムヘッダを介して/usr/bin/suのエントリポイント仮想アドレスをファイルオフセットに解決します 2. AFALGセットアップ : ゼロキーでauthencesnhmacsha256,cbcaesにバインドします 3. 4バイトのページキャッシュ書き込み : シェルコードペイロードの各チャンクについて:...

cve-2026-31431

CVE-2026-31431 "Copy Fail" - Page Cache Corruption Vulnerability Linux kernel page cache corruption via authencesn AEAD manipulation. ⚠️ IMPORTANT: Exploitation Status Update May 1, 2026 After extensive testing on multiple OpenShift 4.20.16 clusters with RHEL 9.6 kernels: ✅ Page Cache Corruption:...

modrosnlr5

🧬 modrosnlr5 – Linux Kernel LPE PoC CVE-2026-31431 Proof-of-concept tool designed to validate the exploitation of the CVE-2026-31431 vulnerability on Linux systems. The exploit leverages the kernel's AFALG socket interface to inject a payload and obtain a root shell from an unprivileged user...

Copy-Fail

CVE-2026-31431 – "Copy Fail" Reachability Checker A simple, safe Python script that determines whether a Linux system is vulnerable to CVE-2026-31431 "Copy Fail", a local privilege escalation that affects all major distributions since kernel 4.14. ⚠️ What is Copy Fail? CVE-2026-31431 is a...

MitigationToolkit-ROSN-LR5-Full

🧬 ROSN-LR5 – Kernel LPE PoC & Mitigation Toolkit CVE-2026-31431 Offensive and defensive tool for the CVE-2026-31431 vulnerability on Linux systems. It combines a local privilege escalation LPE proof of concept with utilities to review and temporarily mitigate the AFALG-based attack vector. ⚖️...

Copy-Fail-CVE-2026-31431-Statically-PoC

Copy-Fail CVE-2026-31431 Static Go PoC This repository contains a Go port of the public Python proof of concept from theori-io/copy-fail-CVE-2026-31431. The program is Linux-only. It uses the Linux AFALG interface, AEAD control messages, and splice2 to preserve the behavior of the original PoC...

Copy-Fail-CVE-2026-31431

Copy-Fail-CVE-2026-31431 A proof-of-concept exploit reproduction of the Linux kernel vulnerability CVE-2026-31431 , also known as Copy Fail. Credits to: Copy Fail Affected Systems Linux kernel versions 4.14 and newer Most major distributions released from 2017 until patch deployment Ubuntu, Debia...

copy-fail

Copy Fail PoC English Python PoC for CVE-2026-31431 , intended for controlled laboratory testing on authorized Linux systems. For use only in your own environments, labs, or systems where you have explicit permission. Do not run this code against third-party systems. Description copy-fail.py chec...

copy-fail_LPE_Interactive

CVE-2026-31431 Copy Fail Exploit Linux kernel page cache poisoning exploit tool with support for non-interactive command execution. Vulnerability Overview CVE-2026-31431 is a logic flaw in the Linux kernel, present in the authesn AEAD algorithm implementation. Through the AFALG and splice system...

CVE-2026-31431

CVE-2026-31431 LPE PoC（Rust実装） このプロジェクトは、ローカル権限昇格（LPE）の脆弱性（CVE-2026-31431を模擬）に対するRustで実装されたProof of Concept（PoC）です。Crypto APIを悪用してLinuxカーネルのページキャッシュを操作する方法を示しています。cite: 1, 2 !CAUTION...

CVE-2026-31431-mitigation

CVE-2026-31431-mitigation This repository holds the source code for our eBPF-based mitigation against CVE-2026-31431, also known as "copy.fail". More info available at https://copy.fail The motivation behind building this solution was to fulfill the need for a reboot-less mitigation for...

CVE-2026-31431-poc

Copy Fail Command PoC Wrapper A small modified proof-of-concept wrapper for Copy Fail / CVE-2026-31431 that allows passing a custom command from the terminal instead of always launching an interactive root shell so it can be ran in an none interactive environment such as a web shell. This project...

copyfail-rs

copyfail-rs Rust implementation of CVE-2026-31431 Copy Fail — a Linux kernel page-cache write primitive via AFALG splice. 中文文档 / Chinese README CVE-2026-31431 The Linux kernel's algifaead implementation allows an unprivileged user to write arbitrary data into the page cache of any readable file v...

CVE-2026-31431

CVE-2026-31431 - Copy Fail PoC Educational Proof of Concept for CVE-2026-31431 , also known as Copy Fail , a Linux kernel local privilege escalation vulnerability involving the AFALG / algifaead cryptographic interface. !WARNING This repository is provided strictly for educational, defensive, and...

CVE-2026-31431

Author: 0xShe Language / 语言 English: https://github.com/0xShe/CVE-2026-31431/blob/main/README.md 中文: https://github.com/0xShe/CVE-2026-31431/blob/main/README-CN.md CVE-2026-31431 Kernel Privilege Escalation Tool Guide 0x01 Quick Start Some target environments do not have Python installed, so this...

Copyfail-sh

copyfail-sh No race. No offsets. No prebuilt binary to blindly trust. A bash implementation of CVE-2026-31431 Copy Fail. The script compiles a minimal C helper inline at runtime. The bash layer handles architecture detection, payload decompression and target selection; the C layer does the actual...

CVE-2026-31431-Copy-Fail-R-pertoire-de-Pr-vention

🔴 CVE-2026-31431 — Copy Fail Linux Kernel Local Privilege Escalation LPE — Defensive Research Repository 📖 Overview Copy Fail CVE-2026-31431 is a Local Privilege Escalation LPE vulnerability affecting the Linux kernel via controlled corruption of the page cache through the AFALG, splice and...

copy_fail

copyfail Research Notes CVE-2026-31431 English 简体中文 This repository is a defensive research workspace for studying the Linux copyfail vulnerability tracked as CVE-2026-31431. The goal of this repository is to preserve analysis notes, document impact, and support safe local assessment. It is not...

copy-fail-cve-2026-31431-linux-kernel-page-cache-lpe

Copy Fail CVE-2026-31431 - Vulnerability Checker Conceptual validation script for CVE-2026-31431 "Copy Fail" — a Linux kernel local privilege escalation via algifaead page-cache write. Vulnerability CVE-2026-31431 is a logic bug in the Linux kernel's authencesn AEAD template. When combined with...

CVE-2026-31431-C

copy-fail CVE-2026-31431 Copy Fail C language PoC, logically aligned with the original Python exploit theori-io/copy-fail-CVE-2026-31431. For authorized security research and experimental environments only. Do not use on unauthorized systems. Brief Principle In Linux AFALG,...