CVE-2026-31431

CVE-2026-31431: Copy Fail PoC + ARM64 Validation Copy Fail is a Linux local privilege escalation published by Theori/Xint as CVE-2026-31431. The project page describes a logic bug in authencesn that can be reached through AFALG and splice, producing a small page-cache write against a setuid binar...

CVE-2026-31431-CopyFail-Lab

CVE-2026-31431 "Copy Fail" — Linux Kernel LPE Lab Overview This repository documents a complete lab investigation of CVE-2026-31431 Copy Fail , a high-severity local privilege escalation LPE vulnerability in the Linux kernel's algifaead cryptographic module, disclosed on April 29, 2026. CVSS Scor...

CVE-2026-31431

CVE-2026-31431 - Proof-of-Concept Linux algifaead page-cache write to root - Local Privilege Escalation Exploit Writeup https://websec.net/blog/cve-2026-31431-linux-algifaead-page-cache-write-to-root-69f38a4ccddd2db1f520f170 Notes We haven't fully tested yet the PoC, its based on public reference...

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...

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...

exploit_mitigations

Exploitation Mitigations The goal is to list exploitation mitigations added over time in various operating systems, software, libraries or hardware. It becomes handy to know if a given vulnerability is easily exploitable or not depending on exploitation mitigations in place. An example is the...

FalconEye

FalconEye: Real-time detection software for Windows process injections FalconEye is a windows endpoint detection software for real-time process injections. It is a kernel-mode driver that aims to catch process injections as they are happening real-time. Since FalconEye runs in kernel mode, it...

PFQ

PFQ v6.2 Introduction PFQ is a functional framework designed for the Linux operating system built for efficient packets capture/transmission 10G, 40G and beyond, in-kernel functional processing, kernel-bypass and packets steering across groups of sockets/end-points. It is highly optimized for...

prefetch-tool

Windows KASLR Prefetch Tool A proof-of-concept tool for bypassing KASLR kernel ASLR on Windows 11. Inspired by EntryBleed for Linux. This tool was developed as part of an exploit targetting Windows 11 24H2. I am not a side-channel expert at all, so this was very much new territory for me and the...

windows_kernel_shadow_stack

Proof of Concepts This project aims to highlight certain aspects of the shadow stack mitigation implemented by Microsoft in Windows 11. The code is specifically focused on Windows 11 24H2. It may not work on other version of Windows 11, due to the kernel offset management. The project is divided...

CVE-2018-17182

CVE-2018-17182 Linux kernel VMA-UAF privilege escalation vulnerability CVE-2018-17182 About Google Project Zero cybersecurity researchers have released details and a proof-of-concept PoC exploit for a high-severity vulnerability in the Linux kernel that has been present since kernel versions 3.16...

CVE-2022-32250-exploit

CVE-2022-32250-Linux-Kernel-LPE Demo Video https://www.youtube.com/watch?v=YqmwA6fPjKE About CVE-2022-32250 allows a local user to escalate privileges to root because an incorrect NFTSTATEFULEXPR check leads to a use-after-free. Reference Linux Kerenel Exploit CVE-2022-32250 with mqueue Affected...

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...

r0ak

r0ak r0ak is a Windows command-line utility that enables you to easily read, write, and execute kernel-mode code with some limitations from the command prompt, without requiring anything else other than Administrator privileges. Quick Peek r0ak v1.0.0 -- Ring 0 Army Knife...

RowHammer-Exploit

RowHammer-Exploit RowHammer Based-Exploitbackdoor syssuid using rowhammer Still needs work... figure why stuff doesn't work properly... Current stage... Denial fails with the following stack trace... UG: unable to handle kernel paging request at 0000000100000000 PGD 8000000006de3067 P4D...

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...

CVE-2026-31431-live-process-code-injection

CVE-2026-31431 Copy Fail — Live Process Code Injection PoC Demonstrates arbitrary code execution in a running process via page cache. by @secinfosex What it does: 1. Compiles a test binary: check return 42; in an infinite loop 2. Launches the process 3. Waits for "check = 42" output 4. Replaces...

Skrull

Skrull Skrull is a malware DRM, that prevents Automatic Sample Submission by AV/EDR and Signature Scanning from Kernel. It generates launchers that can run malware on the victim using the Process Ghosting technique. Also, launchers are totally anti-copy and naturally broken when got submitted. It...

CVE-2022-1015

CVE-2022-1015 This repository contains a PoC for local privilege escalation of CVE-2022-1015, a bug in the nftables component of the linux kernel that I found. You can read a detailed analysis of this vulnerability and the exploitation strategy over at my blog. Right now, the exploit is a bit...

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...