CVE-2026-31431

CVE-2026-31431 - Copy Fail Copy Fail is a logic bug in the Linux kernel's crypto subsystem CVE-2026-31431. A 2017 optimization in algifaead.c accidentally placed page cache pages into a writable scatterlist. The authencesn AEAD algorithm writes 4 scratch bytes past the output boundary during...

CVE-2022-2586

CVE2022-2586 This exploit is tested on Ubuntu 22.04 version 5.15.0-25 generic Compiling: gcc exploit.c -no-pie -o exp -lmnl -lnftnl...

CVE-2026-31431-Copy-Fail

CVE-2026-31431 - Verification and Mitigation Script This repository documents a Bash script used to assess exposure to CVE-2026-31431 on Linux hosts, with a focus on Ubuntu, and to apply a simple mitigation by blocking the algifaead module. Language versions: English: README.md Portuguese:...

copy-fail-CVE-2026-31431-poc

CVE-2026-31431 — Copy Fail Proof of Concept This repository contains a Proof of Concept exploit for CVE-2026-31431 , a high-severity Linux kernel local privilege escalation vulnerability that allows any unprivileged local user to gain root access. The flaw, dubbed “Copy Fail”, resides in the...

Copy-Fail

CVE-2026-31431 – "Copy Fail" Reachability Checker A simple, safe Python script that determines whether a Linux system is vulnerable to CVE-2026-31431 "Copy Fail", a local privilege escalation that affects all major distributions since kernel 4.14. ⚠️ What is Copy Fail? CVE-2026-31431 is a...

Fragnesia-CVE-2026-46300

🔴 Fragnesia — CVE-2026-46300 Privilege escalation in the Linux kernel · CVSS 7.8 · Disclosed on May 14, 2026 Awareness repository only. This repository does not contain exploit code. Its purpose is to inform system administrators, engineers, and security teams about the nature of the vulnerabilit...

CVE-2021-1883

This repository does not have a README...

dirtyclone-exploit

DirtyClone Exploit Framework CVE-2026-46331 — Linux Kernel Local Privilege Escalation TC pedit + IPsec TEE Page Cache Corruption · Affected kernels: ≤ 6.12.9 ╔═══════════════════════════════════════════════════════════════╗ ║ ║ ║ | \ | | / | | ║ ║ | | | | | '| | | | | | | |/ | ' \ / \ ║ ║ | || | ...

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-Verificador-Exploit

CVE-2026-31431 - Linux Kernel Privilege Escalation Exploit Description Functional exploit for the CVE-2026-31431 vulnerability that allows local privilege escalation on Linux systems by exploiting a flaw in the kernel's AFALG cryptographic subsystem combined with the splice system call. Features...

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...

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

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...

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-2026-31429-POC

CVE-2026-31429 — Linux Kernel: Cross-Cache Free of KFENCE-Allocated SKB Head via bpfprogtestrunskb Severity: Medium CWE-763: Release of Invalid Pointer or Reference Published: 2026-04-20 Affected subsystem: net/core/skbuff.c — skbkfreehead Researcher: Antonius / w1sdom — Blue Dragon Security...

CVE-2016-5195

This record is for learning purposes only; any illegal use is prohibited. Principle The vulnerability works by concurrently flushing dirty pages, causing the content of a file that was originally read-only to be modified. If the modified file is owned by root and has the SUID permission, it can b...

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...

modrosnlr5

🧬 modrosnlr5 – Linux Kernel LPE PoC CVE-2026-31431 Proof-of-concept tool designed to validate the exploitation of the CVE-2026-31431 vulnerability on Linux systems. The exploit leverages the kernel's AFALG socket interface to inject a payload and obtain a root shell from an unprivileged user...

cve-2026-31431-mitigation

CVE-2026-31431 seccomp Mitigation A lightweight, reversible seccomp-based mitigation for CVE-2026-31431, a local privilege escalation vulnerability in the Linux kernel's algifaead / authencesn crypto subsystem. 中文文档 Vulnerability Overview Type: Local Privilege Escalation LPE Affected Component:...

copy_fail

Copy Fail — CVE-2026-31431 CVE-2026-31431 Copy Fail is a local privilege escalation vulnerability in the Linux kernel's algifaead module AFALG subsystem. A logic flaw introduced in August 2017 allows any unprivileged local user to write 4 controlled bytes into the page cache of any readable file...