copyfail-CVE-2026-31431

copyfail-CVE-2026-31431 Extended version of the CVE-2026-31431 "Copy Fail" Linux Local Privilege Escalation PoC. Credits Original discovery & exploit: Theori / Xint — copy.fail Original repo: theori-io/copy-fail-CVE-2026-31431 Extended by: Trex1e What's different in this version Automatically...

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_audit

CVE-2026-31431 Audit This project provides a professional Python script designed to check if a system is vulnerable to CVE-2026-31431 and demonstrates how to exploit it for research purposes. 🎬 Full Workflow The diagram below illustrates the complete workflow from Environment Audit SCAN, Patch...

Copy-Fail---CVE-2026-31431

CVE-2026-31431 - Copy Fail - Detection Script Python script to check whether a Linux system is vulnerable to the CVE-2026-31431 Copy Fail flaw, a local privilege escalation in the Linux kernel. The flaw in brief Since 2017 commit 72548b093ee3, the kernel's algifaead cryptographic module has handl...

Copy-fail-CVE-2026-31431-Exploit-in-C

Copy-fail-CVE-2026-31431-Exploit-in-C Discovery and original disclosure of CVE-2026-31431: Theori / Xint. Public writeup: https://copy.fail/. Overview This program targets the Linux kernel’s AFALG AEAD path and attempts to trigger the “Copy Fail” page-cache corruption behavior described in public...

CVE-2026-31431-RCE-Exploit

🔴 CVE-2026-31431 — "Copy Fail" A 9-Year-Old Linux Kernel Logic Bug That Grants Root in Seconds Overview Copy Fail is a high-severity local privilege escalation LPE vulnerability in the Linux kernel's cryptographic subsystem algifaead. Discovered and disclosed by Theori via their Xint Code...

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...

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...

CVE-2026-31431

CVE-2026-31431 CVE-2026-31431 detection and testing 0x01 Quick Start Some target environments do not have Python installed, so this privilege escalation logic was rewritten in C. 1. Compile Run the following command on your Linux machine or WSL using -static is recommended to avoid GLIBC version...

CopyFail-for-dummies

Copy Fail / CVE-2026-31431 — Research Notes Overview This repository contains a cleaned-up technical diagram and supporting notes for the Linux kernel vulnerability commonly referred to as Copy Fail and tracked as CVE-2026-31431. The purpose of this material is: to explain the bug mechanism at a...

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-go

copy-fail-go Go port of grenkoca's Python PoC for CVE-2026-31431 copy-fail. This version compiles to a fully static binary with zero runtime dependencies - no Python, no pip, no libc version constraints. Drop it on any Linux target and run it. It also automatically enumerates all SUID...

DiagSpill

DiagSpill CVE-2026-74469 Writeup !WARNING The PoC is provided solely to help defenders, maintainers, and authorized security teams validate patches, mitigations, detections, and exposure on systems they own or are explicitly authorized to test. You are solely responsible for ensuring that your us...

yc-mk8s-copy-fail-mitigation

Copy Fail / Dirty Frag Mitigation for Yandex Managed Kubernetes Automatic application of mitigation for vulnerabilities CVE-2026-31431, CVE-2026-43284 and CVE-2026-43500 in the Linux kernel on all worker nodes of a Yandex Managed Kubernetes cluster. Vulnerability Description CVE ID: CVE-2026-4328...

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...

wg.copyfail.patch

CVE-2026-31431 aka Copy.Fail eBPF workaround Why it matters This CVE allows authorized user change cache copy of any readable file, which leads to Local Privilege Escalation aka local root exploit, sandbox/container escape and other issues. It works by creating AFALG socket that is provided by...

CVE-2025-38561

CVE-2025-38561 ksmbd: PreauhHashValue race condition If client send multiple session setup requests to ksmbd, PreauhHashValue race condition could happen...

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-detection

CVE-2026-31431 "Copy Fail" — Defensive Detection Package A production-ready collection of detection rules and triage guidance for CVE-2026-31431, a Linux kernel local privilege escalation in the algifaead crypto interface disclosed by Theori Xint Code Research. The vulnerability exploits an...

CVE-2026-31431

Test, patch, fix: CVE-2026-31431 Test:Check vuln python3 -c 'import socket;exec"try:s=socket.socketsocket.AFALG,socket.SOCKSEQPACKET,0;s.bind"aead","authencesnhmacsha256,cbcaes";print"vulnerable"\nexcept:print"not vulnerable""' check if module Check if module is loaded in kernel lsmod |...