CVE-2026-31431-mitigacion

CVE-2026-31431 — Complete Technical Analysis Classification: Local Privilege Escalation LPE — Linux Kernel CVSS: 7.8 High Impact: unprivileged user → root Affected module: algifaead AFALG kernel subsystem Table of Contents 1. Why is it vulnerable? 2. Which versions are affected? 3. How it is...

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...

cve-2026-31431-ansible

CVE-2026-31431 "Copy Fail" — Ansible Mitigation Recipe Detect and apply the kernel-cmdline mitigation for CVE-2026-31431 "Copy Fail" across a Debian / Ubuntu / RHEL-family fleet using Ansible. The CVE is a local privilege-escalation flaw in the Linux kernel's algifaead AFALG interface. Any...

copy-fail-CVE-2026-31431

CVE-2026-31431 — Copy Fail Linux kernel local privilege escalation via AFALG + splice page-cache overwrite For authorized security research, penetration testing, and educational purposes only. Do not use against systems you do not own or have explicit written permission to test. Technical Writeup...

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...

CallbackHell

CallbackHell Exploit for CVE-2021-40449 Win32k - LPE CallbackHell Description Technical Writeup PoC References Description CVE-2021-40449 is a use-after-free in Win32k that allows for local privilege escalation. The vulnerability was found in the wild by Kaspersky. The discovered exploit was...

cve-2026-31431

CVE-2026-31431 "Copy Fail" — IR Playbook & Detection Package Production-ready IR playbook, detection rules, and SOC triage guidance for CVE-2026-31431 — a Linux kernel local privilege escalation in the algifaead crypto interface. Includes an interactive HTML playbook , Sigma rules, auditd configs...

CVE-2026-31431-Analysis-and-Fix

CVE-2026-31431 "Copy Fail" — Technical Deep Dive Severity: CVSS 7.8 High Class: Local Privilege Escalation Introduced: Linux 4.14 2017 Fixed: commit a664bf3d603d 1. Background CVE-2026-31431 is a local privilege escalation flaw in the Linux kernel's algifaead module — the AEAD socket interface of...

CVE-2026-31431-PoC

CVE-2026-31431 PoC Local Privilege Escalation in the Linux Kernel via algifaead Page Cache Write "Copy Fail" Author: Van Glenndon Enad Original Discovery: Theori / Xint Code Research Team Taeyang Lee Published: April 29, 2026 Severity: High CVSS v3.1 Score: 7.8 CVSS v3.1 Vector:...

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...

CVE-2026-31431-Copy-Fail

CVE-2026-31431 — Copy Fail Severity: Critical CVSS v3.1: 9.8 AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H Status: Public Exploit Available Summary CVE-2026-31431 "Copy Fail" is a local privilege escalation vulnerability in the Linux kernel cryptographic subsystem. Any unprivileged user can escalate to roo...

DavRelayUp

DavRelayUp Un port rápido y sucio de KrbRelayUp con modificaciones para permitir el relay NTLM desde webdav a LDAP con el fin de simplificar el abuso de la siguiente primitiva de ataque: 0. Opcional Creación de una nueva cuenta de máquina New-MachineAccount 1. Forzar el inicio del servicio...

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: root@kitploit: curl -fsSL...

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...

isowall

isowall Este es un mini-cortafuegos que aísla por completo un dispositivo objetivo de la red local. Esto sirve para permitir a máquinas infectadas acceso a Internet, pero sin poner en peligro la red local. Compilación Este proyecto depende de libpcap y, por supuesto, de un compilador de C. En...

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...

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...

CVE-2026-31431-CopyFail-static-ELF--POC

CVE-2026-31431: Copy Fail - 587-byte static ELF I did not find this bug. Credit goes to Xint Code / Theori. This repo is my take on making the exploit as small as possible - a hand-rolled x8664 ELF that does the full LPE in 587 bytes. No libc, no linker, no runtime. Just NASM and stubbornness. In...

CVE-2026-0073-Android-adbd-authentication-bypass-POC

Research on CVE-2026-0073. An auth bypass allowing any attacker with local network access to connect to an Android device with dev tools and wireless debugging or ADB-over-TCP enabled. Device needs to have been paired before. This has been tested working on Android 14 in Android Studio. Should wo...