CVE-2026-31431-copyfail-rs

CVE-2026-31431 CopyFail CVE-2026-31431 POC. Pure Rust implementation, no runtime dependencies. Applicable Targets Linux x8664 kernels with CONFIGCRYPTOUSERAPIAEAD=y AFALG AEAD support enabled and the algifaead module loadable. Usage ./CVE-2026-31431-copyfail-rs Dependencies Build time : libc +...

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...

dirty-frag-check

Dirty Frag check CVE-2026-43284 / CVE-2026-43500 Read-only checker for the "Dirty Frag" Linux kernel local-root vulns CVE-2026-43284, CVE-2026-43500. Checks kernel version, module state, KernelCare livepatch, and any modprobe blacklist you've added. Doesn't run exploit code. Companion to...

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-copyfail

CVE-2026-31431 — "Copy Fail" 🔐 Educational technical analysis of one of the most significant Linux kernel vulnerabilities since Dirty Pipe 2022. This repository is intended for research, study, and defense. No functional exploit is distributed here. Table of Contents What is it? For laypeople: th...

Copy_Fail_CVE-2026-31431_test_and_fix

Usage python3 testCVE-2026-31431.py Fix for Almalinux 9 / 10 until kernel update arrive sudo grubby --update-kernel ALL --args="initcallblacklist=algifaeadinit" sudo reboot Fix for Debian / Ubuntu until kernel update arrive as root echo "install algifaead /bin/false"...

CVE-2026-31431

CVE-2026-31431 Copy Fail Checker Checks whether a Linux host is vulnerable to CVE-2026-31431 and applies mitigation. Files checkcve202631431.yml - Ansible playbook to verify and patch revertcve202631431.yml - Ansible playbook to undo mitigation runcheck.sh - Script to run verification locally or...

CVE-2026-31431-Copy-Fail-add-arm64

Vulnerability Overview Item| Content ---|--- CVE ID| CVE-2026-31431 Vulnerability Name| Copy Fail Vulnerability Type| Linux Kernel Local Privilege Escalation LPE CVSS 3.1 Score| 7.8 HIGH CWE| CWE-669: Incorrect Resource Transfer Between Spheres Affected Scope| All Linux kernels built between 2017...

cve-2026-31431

CVE-2026-31431 — "Copy Fail": Linux Kernel algifaead Local Privilege Escalation CISA KEV | CVSS 7.8 HIGH | Affects Linux kernels 4.14 – early 2026 9 years Table of Contents 1. Executive Summary 2. Risk Assessment 3. Technical Deep Dive 4. Attack Methodology — Red Team 5. Detection & Incident...

CVE-2026-31431

CVE-2026-31431 "Copy Faill" CVE-2026-31431 Archive and Analysis. Source code for attack Testing Sniffing Tools for the potential Vulnerability. Solution 禁用内核模块 echo "install algifaead /bin/false" /etc/modprobe.d/disable-algif-aead.conf 卸载已加载模块 rmmod algifaead 2/dev/null...

copy-fail

CopyFail Mitigation CVE-2026-31431 - Multi-Distribution Guide This repository contains detailed tutorials and scripts to mitigate the CopyFail vulnerability CVE-2026-31431. This flaw affects the Linux Kernel cryptography subsystem AFALG and allows local privilege escalation LPE from a regular use...

cve-2026-31431

CVE-2026-31431 "Copy Fail" — Detection & Safe Kernel Patch Scripts Linux kernel local privilege escalation via algifaead AFALG CVSS 7.8 HIGH | Public disclosure: April 2026 ⚡ Quick Start 1. Detection Script safe, read-only Run as a normal user: curl -fsSL...

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

🔥 CVE-2026-31431 - "Copy Fail !!!" A surprisingly simple yet deadly local privilege escalation in the Linux kernel 📌 Overview CVE-2026-31431 nicknamed "Copy Fail" is a local privilege escalation vulnerability in the Linux kernel's cryptographic subsystem, specifically affecting the algifaead...

copyfail

Copy Fail CVE-2026-31431 – Exploit Usage Guide Original Readme taken from @painoob All Kernel versions since 2017 / 2016 are vulnerable ! Kernel 7 is fully immune, others between 5-7 may still be vulnerable ⚠️ Disclaimer This content is for educational and authorized security testing purposes only...

CVE-2026-31431_je_sappelle_RoOt

CVE-2026-31431 - Copy Fail - Je s'appelle ROOT ! 📌 Repository Purpose This repository documents the CVE-2026-31431 vulnerability, nicknamed Copy Fail , and provides a defensive remediation procedure for potentially exposed Linux systems. ⚠️ This repository is strictly focused on defense, authorize...

copyfail-guard

copyfail-guard Automated detection and mitigation tool for the vulnerability CVE-2026-31431 "Copy Fail", a local privilege escalation LPE in the algifaead module AFALG interface of the Linux kernel. ⚠️ Scope: this project is purely defensive. It does not contain, generate, or reference exploit...

cve-2026-31431

CVE-2026-31431 — Linux Kernel algifaead "Copy Fail": Analysis Security research on CVE-2026-31431 CVSS 3.1 7.8 HIGH , AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H: three composable design flaws in the AFALG AEAD interface chain into a deterministic, race-free 4-byte page-cache write at any offset of any...

CVE-2026-31431_SCA_WAZUH

Wazuh SCA policy: Copy Fail CVE-2026-31431 This policy file: copy-fail-cve-2026-31431-policy.yml is designed to detect likely exposure and mitigation status for Copy Fail / CVE-2026-31431. What this policy checks 1. algifaead is disabled via modprobe policy. 2. algifaead is not currently loaded. ...

Copy-Fail-Exploit-CVE-2026-31431

Copy Fail CVE-2026-31431 – Exploit Usage Guide ⚠️ Disclaimer This content is for educational and authorized security testing purposes only. Do NOT run this on systems without explicit permission. 📌 Overview Copy Fail CVE-2026-31431 is a Linux Local Privilege Escalation LPE vulnerability affecting...