cve_2026_31431

CVE-2026-31431 "Copy Fail" Toolkit Detector and proof-of-concept LPE for the Linux algifaead / authencesn page-cache scratch-write bug disclosed 2026-04-29. Disclosure writeup: https://xint.io/blog/copy-fail-linux-distributions Authorization Use only on hosts you own or are explicitly engaged to...

CVE-2022-22706-poc

CVE-2022-22706 - Page-Cache Write The Arm Mali GPU driver hands userspace a CPU-writable mapping of pages it pinned read-only, so an unprivileged process gets a writable alias of the page cache backing a file it can only open ORDONLY. exploit.c blanks root's password field in the /etc/passwd page...

dirtyfrag

Dirty Frag: Universal Linux LPE Abstract This document describes the Dirty Frag vulnerability class, first discovered and reported by Hyunwoo Kim @v4bel, which can obtain root privileges on major Linux distributions by chaining the xfrm-ESP Page-Cache Write CVE-2026-43284 vulnerability and the...

CVE-2026-43284

🚨 CVE-2026-43284 - Dirty Frag 🚨 Universal Linux Kernel Local Privilege Escalation 📋 Overview Dirty Frag also known as Copy Fail 2 is a high-impact local privilege escalation vulnerability in the Linux kernel. It allows an unprivileged local user to obtain root privileges on affected systems...

CVE-2026-43284

Dirty Frag — kernel page-cache write tracking site Source for the Dirty Frag patch-status tracker: a single-page site recording which distributions have shipped a fix for the paired page-cache write privilege-escalation chain in the Linux kernel. Where the facts live Everything about the bug — CV...

CVE-2026-43284

Dirty Frag: Universal Linux LPE Abstract This document explains the Dirty Frag vulnerability class, discovered and reported by Hyunwoo Kim @v4bel. By chaining xfrm-ESP Page-Cache Write CVE-2026-43284 with RxRPC Page-Cache Write CVE-2026-43500, an attacker can escalate to root on major Linux...

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-2026-43284-dirtyfrag-detection

DirtyFrag CVE-2026-43284 PoC Validation and auditd Detection Scope: Linux Local Privilege Escalation LPE validation focused on the XFRM/ESP path associated with CVE-2026-43284. This repository contains an English report and evidence artifacts from a controlled laboratory validation of the public...

XCP_ng_CVE-2026-31431_tester

CVE-2026-31431 "Copy Fail" — XCP-ng Laboratory Detector A safe, non-destructive detector script for CVE-2026-31431 "Copy Fail", validated against XCP-ng 8.3 LTS prior to the May 5, 2026 security update. ⚠️ Authorized use only. Run this script exclusively on systems you own or are explicitly...

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...

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

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...

CVE-2026-31431

CVE-2026-31431: Copy Fail PoC + ARM64 Validation Copy Fail is a Linux local privilege escalation published by Theori/Xint as CVE-2026-31431. The project page describes a logic bug in authencesn that can be reached through AFALG and splice, producing a small page-cache write against a setuid binar...

CVE-2026-31431-Linux-Copy-Fail

CVE-2026-31431 - Linux Copy-Fail Exploit Rust A Rust implementation of a local privilege escalation exploit for CVE-2026-31431 Copy-Fail. It allows executing customized shellcode such as Meterpreter Introduction Xint disclosed CVE-2026-31431, an arbitrary page cache write vulnerability that chain...

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-PoC

Copy Fail - Python 3.9 PoC CVE-2026-31431 The public Copy Fail exploit wasn't compaitble with python 3.9, this one is. The original was modifed by replacing the unavailable os.splice with a lightweight ctypes polyfill. 🚨 LEGAL DISCLAIMER CFAA & Related Laws THIS SOFTWARE IS PROVIDED FOR EDUCATION...

CVE-2026-31431

CVE-2026-31431 - إثبات المفهوم استغلال كتابة ذاكرة التخزين المؤقت للصفحات في Linux algifaead للوصول إلى الجذر - استغلال تصعيد الامتيازات المحلية التوثيق الفني https://websec.net/blog/cve-2026-31431-linux-algifaead-page-cache-write-to-root-69f38a4ccddd2db1f520f170 ملاحظات لم نقم باختبار إثبات...

cve-2026-31431-detection

CVE-2026-31431 "Copy Fail" — حزمة الكشف الدفاعية مجموعة جاهزة للإنتاج من قواعد الكشف وإرشادات الفرز لثغرة CVE-2026-31431، وهي ثغرة تصعيد صلاحيات محلية في نواة لينكس ضمن واجهة التشفير algifaead التي كشفت عنها Theori Xint Code Research. تستغل الثغرة تحسيناً في مكانه in-place لخوارزمية AEAD للسماح...

CVE-2026-31431-CopyFail-Universal-LPE

CVE-2026-31431 "Copy Fail" — Universal LPE Exploit Linux kernel page cache 4-byte arbitrary write → Local Privilege Escalation Multiple exploit approaches: dynamic ELF entry point overwrite, full binary replacement, Python 3.x compatible with ctypes splice fallback. What is this? CVE-2026-31431 i...

copyfail-rs

copyfail-rs Copy Fail exploit CVE-2026-31431 but in Rust, a critical vulnerability chaining AFALG and splice to achieve a 4-byte page cache write, leading to local privilege escalation on major Linux distributions. Based on the research and PoC by Xint Code. Disclaimer !CAUTION This project is fo...