CVE-2026-31431_SCA_WAZUH

Política SCA de Wazuh: Copy Fail CVE-2026-31431 Este archivo de política: copy-fail-cve-2026-31431-policy.yml está diseñado para detectar la posible exposición y el estado de mitigación de Copy Fail / CVE-2026-31431. Qué comprueba esta política 1. algifaead está deshabilitado mediante la política...

cve-2026-31431

CVE-2026-31431 Copy Fail Toolkit This repository contains detectors and a PoC for the Linux algifaead / authencesn page-cache scratch-write vulnerability CVE-2026-31431. Disclosure article: https://xint.io/blog/copy-fail-linux-distributions Authorization Notice Only use this on hosts you own or...

CVE-2026-31431-Checker-Mitigator

CVE-2026-31431 Checker & Mitigator A simple, safe vulnerability scanner and mitigation tool for CVE-2026-31431 aka "Copy Fail", a local privilege escalation vulnerability in the Linux kernel's AFALG cryptographic interface. Note - It is fully vibe coded Script About the Vulnerability CVE :...

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_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....

copyfail-exploit

Copy Fail · CVE-2026-31431 Local privilege escalation on Linux kernels from 4.11 up to but not including the patched 6.18 releases. The bug lives in the kernel's AFALG socket interface—specifically how authencesn handles scatter-gather lists during in‑place AEAD decryption. The result: an...

CVE-2026-31431

Copy Fail - CVE-2026-31431 This repository contains a small Linux local privilege escalation PoC for CVE-2026-31431, also known as "Copy Fail". The exploit targets the Linux kernel algifaead path in the AFALG userspace crypto API. It uses AFALG plus splice to coerce the kernel into writing into t...

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-Copy-Fail

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-checker-2026

CVE Checker 2026 Multi-OS vulnerability scanner for: CVE-2026-31431 — Linux kernel crypto/algifaead flaw CVE-2026-41940 — cPanel & WHM authentication bypass CVSS 9.8 Supported Operating Systems Family| Distributions ---|--- Debian| Ubuntu, Debian, Linux Mint, Pop!OS RHEL| RHEL, CentOS, AlmaLinux,...

block-copyfail

Summary CVE-2026-31431 "Copy Fail" is a Linux kernel privilege escalation vulnerability in the algifaead cryptographic interface. An attacker uses AFALG sockets with the authencesn algorithm and splice to corrupt arbitrary files in the kernel page cache — including setuid binaries like /usr/bin/s...

ubuntu-cve-2026-31431-mitigation

Complete Guide to Updating the Kernel and kmod in Ubuntu to Fix Security Vulnerabilities CVE CVE-2026-31431 This vulnerability, also known as Copy Fail, is a logic bug in the Linux kernel that occurs in the AFALG / algifaead path. According to the discloser, an unprivileged local user can cause t...

cfDr

cfDr - Copy Fail Doctor C opy F ail D etection and R emediation An Ansible role and playbook suite for detecting and remediating CVE-2026-31431 Copy Fail, a critical local privilege escalation vulnerability in the Linux kernel's algifaead module. Repository 🔗 GitHub :...

copyfail-mitigation

CVE-2026-31431 — Copy Fail Linux Kernelalgifaead Privilege Escalation / Memory Corruption Ansible-based audit and mitigation playbooks — ready to run in production Overview Copy Fail CVE-2026-31431 is a vulnerability in the Linux kernel's algifaead module — the userspace-facing AEAD interface of...

copy-fail-CVE-2026-31431-mitigation-ansible-playbook

CVE-2026-31431 Mitigation Playbook An Ansible playbook to apply and rollback the CVE-2026-31431 AFALG kernel module mitigation on both Debian/Ubuntu and RHEL/Rocky/AlmaLinux systems. Overview This playbook mitigates CVE-2026-31431 by disabling the vulnerable algifaead kernel module: Debian/Ubuntu...

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...

CVE-2026-31431-python-copyfail-POC

CVE-2026-31431: Copy Fail - Linux Kernel Privilege Escalation Copy Fail CVE-2026-31431 is a critical logic bug in the Linux kernel's cryptographic subsystem that allows unprivileged users to achieve privilege escalation to root. The vulnerability affects Linux kernels 6.0.0 through 6.18.x across...

CVE-2026-31431-Report-Copy-fail-Vulnerability-

CVE-2026-31431 — Copy Fail: Linux Kernel Privilege Escalation Educational analysis of the Copy Fail vulnerability in the Linux kernel. Covers the memory corruption mechanism, privilege escalation flow, container escape, and defensive countermeasures. ⚠️ Disclaimer This repository is for educationa...

copyfail

CVE-2026-31431 — "Copy Fail" Safe Detection Script A read-only detection script for the Copy Fail Linux kernel local privilege escalation vulnerability. No exploit code. No AFALG socket opened. No files written outside /etc/modprobe.d only when you apply the mitigation manually. Background Copy...

ansible-role-cve-2026-31431

ansible-role-cve-2026-31431 Ansible role to apply and later remove the modprobe.d mitigation for CVE-2026-31431 "Copy Fail" in the Linux kernel's AFALG / algifaead subsystem. Tested on Debian. Pull requests for other distributions, edge cases, or improvements are very welcome. What it does The ro...