page_inject

pageinject - AFALG aead cross-container escape AFALG aead vulnerability cross-container exploit -- pivot from one compromised container into every sibling container that shares the samelibc.so.6 image layer. This is an escape primitive : it runs from inside an unprivileged container that the...

CVE-2026-31431

CVE-2026-31431 "Copy Fail" - Research & Pentesting Tool ⚠️ DISCLAIMER This project is provided strictly for: Security research Educational purposes Authorized penetration testing CTF and laboratory environments By using this tool, you agree that: You own the target system or You have explicit...

Copy-Fail-CVE-2026-31431-Lab

Copy Fail CVE-2026-31431 — Exploit Reproduction & Detection Lab This repository documents the end-to-end reproduction, detection engineering, and incident response for CVE-2026-31431 "Copy Fail" , a critical Linux kernel local privilege escalation vulnerability affecting kernels 4.14 through...

cve_2026_31431

CVE-2026-31431 "Copy Fail" Kit de herramientas Detector y LPE de prueba de concepto para el error de escritura temporal en la caché de páginas de Linux algifaead / authencesn divulgado el 2026-04-29. Divulgación del informe: https://xint.io/blog/copy-fail-linux-distributions Autorización Úselo...

cve-2026-31431

CVE-2026-31431 — Copy Fail: Linux Kernel LPE Research Lab Educational purposes only. Do NOT use on systems without explicit authorization. Index Description of the vulnerability Affected components How it works Lab setup Docker PoC — Demonstration Mitigation References Vulnerability Description...

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...

CVE-2026-31431_CopyFail_LinuxKernel_LPE

CVE-2026-31431 — Copy Fail Linux Kernel LPE Educational rewrite of the Theori/Xint proof-of-concept for CVE-2026-31431, a local privilege escalation vulnerability in the Linux kernel's algifaead crypto socket interface. Affects every mainline kernel from 4.14 July 2017 through 6.18.21, and the 6....

copy-fail-mitigation-with-bpftrace

copy-fail-mitigation-with-bpftrace CVE-2026-31431, AKA Copy Fail, can be mitigated in one-line with bpftrace, no kpatch building, no cargo building English Version | 中文版本 Idea To exploit Copy Fail, you need to bind socket AFALG and use algorithm authencesn , which most applications don't use a lo...

copyfail-exploit

Copy Fail · CVE-2026-31431 Escalada de privilegios local en kernels de Linux desde 4.11 hasta sin incluir las versiones parcheadas 6.18. El fallo reside en la interfaz de sockets AFALG del kernel, específicamente en cómo authencesn maneja las listas scatter-gather durante el descifrado AEAD...

XCP_ng_CVE-2026-31431_tester

CVE-2026-31431 "Copy Fail" — XCP-ng Laboratory Detector A safe, non-destructive detector script for CVE-2026-31431 "Copy Fail", validated against XCP-ng 8.3 LTS prior to the May 5, 2026 security update. ⚠️ Authorized use only. Run this script exclusively on systems you own or are explicitly...

CVE-2026-31431-Exploit

CVE-2026-31431 "Copy Fail" Exploit A professional proof-of-concept for the CVE-2026-31431 vulnerability, a critical flaw in the Linux kernel's algifaead / authencesn page-cache handling. Overview The CVE-2026-31431 vulnerability, colloquially known as "Copy Fail" , involves a page-cache...

Linux-CopyFail-C-Version-CVE-2026-31431

Linux CopyFail- C Version - CVE-2026-31431 Clean C version of Copy Fail CVE-2026-31431 - Linux Local Privilege Escalation exploit using AFALG + authencesn + splice primitive. Overwrites the page cache of /usr/bin/su with a tiny setuid shellcode to gain root privileges. Educational proof-of-concep...

Copy-Fail---CVE-2026-31431

Copy-Fail---CVE-2026-31431 CVE-2026-31431 "Copy Fail" - Analysis and defensive research for the Linux kernel AFALG privilege escalation vulnerability affecting all major distributions since 2017. 100% reliable LPE via authencesn logic flaw Files include a binary , that automates the whole process...

CopyFail-Exploits-CVE-2026-31431

CVE-2026-31431 — Copy Fail Educational repository with multi-language implementations of the Copy Fail exploit. Created and maintained by @shotafry — because reading the CVE is not enough. You have to reproduce it. 📖 Leer en Español Table of Contents What is Copy Fail? Who discovered it? Severity...

GhostShell

GhostShell CVE-2026-31431 — Local Privilege Escalation via Linux Kernel Page Cache Corruption GhostShell is a local privilege escalation tool that exploits a flaw in the Linux kernel's authencesn AEAD crypto implementation to obtain a root shell from an unprivileged user account. It corrupts the...

CVE-2026-31431

CVE-2026-31431 — Copy Fail 中文版 732 Bytes to Root on Every Major Linux Distribution CVE-2026-31431 Copy Fail is a logic bug in the Linux kernel's authencesn cryptographic template. It allows an unprivileged local user to trigger a deterministic, controlled 4-byte write into the page cache of any...

Linux-copy-fail-CVE-2026-31431

CVE-2026-31431 — Copy Fail Linux Privilege Escalation Overview This repository presents a technical overview and demonstration of CVE-2026-31431 , commonly referred to as Copy Fail , a Linux kernel vulnerability that enables local privilege escalation. The vulnerability affects a wide range of...

copy-fail-CVE-2026-31431

Vulnerability Description Root Cause In 2017, the Linux kernel crypto module authencesn introduced an in-place optimization for AEAD Authenticated Encryption with Associated Data operations. This optimization caused read-only pages in the page cache to be incorrectly placed into a writable...

CVE-2026-31431-PoC

Copy Fail - Python 3.9 PoC CVE-2026-31431 The public Copy Fail exploit wasn't compaitble with python 3.9, this one is. The original was modifed by replacing the unavailable os.splice with a lightweight ctypes polyfill. 🚨 LEGAL DISCLAIMER CFAA & Related Laws THIS SOFTWARE IS PROVIDED FOR EDUCATION...

CVE-2026-31431-CopyFail-Universal-LPE

CVE-2026-31431 "Copy Fail" — Universal LPE Exploit Linux kernel page cache 4-byte arbitrary write → Local Privilege Escalation Multiple exploit approaches: dynamic ELF entry point overwrite, full binary replacement, Python 3.x compatible with ctypes splice fallback. What is this? CVE-2026-31431 i...