cve-2026-31431

CVE-2026-31431 — "Copy Fail" Research Repository A 100% reliable Linux local privilege escalation affecting every mainstream distribution since 2017. One logic bug in authencesn, chained through AFALG and splice into a 4-byte page-cache write — silently exploitable for nearly a decade. ⚠️...

CVE-2026-31431-CopyFail-Linux-PrivEsc

CVE-2026-31431 CopyFail Linux Local Privilege Escalation A demonstration and explanation of CVE-2026-31431, the Linux Kernel Copy Fail Local Privilege Escalation vulnerability. The vulnerability allows for files opened with read permission to have data overwritten in the page cache. This reposito...

CVE-2026-46300-Fragnesia---TryHackMe-Lab-Project

CVE-2026-46300-Fragnesia---TryHackMe-Lab-Project The project documents the completion and analysis of the Fragnesia CVE-2026-46300 TryHackME lab, which demonstrates a Linux kernel page -cache corruption vulnerability capable of achieving local privilege escalation through modification of cached...

copyfail2_electric_boogaloo_fix

copyfail2electricboogaloofix A temporary mitigation against copyfail variant copyfail2electricboogaloo - Unprivileged Linux LPE via xfrm ESP-in-UDP MSGSPLICEPAGES no-COW fast path. Page-cache write into any readable file. Overwrites a nologin line in /etc/passwd with sick::0:0:…:/:/bin/bash and s...

CVE-2026-31635-DirtyDecrypt

CVE-2026-31635 · DirtyDecrypt Linux local privilege escalation in the RxRPC/GSSAPI decryption path. A missing skbcowdata check in rxgkdecryptskb allows an unprivileged local attacker to corrupt page cache pages and overwrite in-memory contents of read-only files. Contents Overview Quick Start...

CVE-2026-31431-Copy-Fail---Minified-LPE-PoC

CVE-2026-31431-CopyFail---Minified-LPE-PoC ⚠️ Disclaimer For Educational and Authorized Security Testing Purposes Only. This Proof-of-Concept PoC was synthesized for authorized Red Team emulation and vulnerability auditing. The authors and contributors assume no liability for the misuse of this...

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...

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-2026-46331

PACKETEDITMEME - CVE-2026-46331 net/sched actpedit partial-COW page-cache corruption culprit 899ee91156e5, present v5.18 .. fixed v7.1-rc7. packeteditmeme.c turns it into unprivileged local root: a userns CAPNETADMIN child overwrites the cached ELF metadata of a setuid-root binary with...

cve-2026-46331-audit

cve-2026-46331-audit -7.8%20HIGH-orange?style=flat-square Read-only audit script for CVE-2026-46331 a.k.a. pedit COW — a partial copy-on-write bug in the Linux kernel's net/sched actpedit action that lets a local unprivileged user corrupt page cache memory and escalate to root. | | | \ | | / / \ ...

CVE-2026-31431

Copy Fail CVE-2026-31431 - Comprehensive Writeup 1. Vulnerability Overview Vulnerability Name: Copy Fail CVE Identifier: CVE-2026-31431 Discovered By / Authors: Xint Code Research Team building upon initial foundational research by Theori researcher Taeyang Lee. "Copy Fail" is a critical logic...

CVE-2026-31431-CopyFail

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CVE-2026-31431

CVE-2026-31431 Structure . ├── container │ ├── container.md Container escape ideas │ ├── expenv Container environment │ │ ├── bin │ │ │ ├── gscontainer │ │ │ └── share │ │ ├── Dockerfile │ │ ├── run.sh │ │ └── src │ │ ├── gscontainer.c │ │ └── share.c │ ├── images │ │ ├── container.png │ │ ├──...

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...

copy-fail-checker

Copy Fail Checker — CVE-2026-31431 A small, dependency-light Bash script that tells you whether your Linux system is exposed to the Copy Fail local privilege-escalation vulnerability CVE-2026-31431. The script is read-only : it never exploits the bug, never loads kernel modules, and never modifie...

DIRTYFAIL

DIRTYFAIL A unified detector and PoC harness for the Copy Fail and Dirty Frag Linux page-cache write vulnerability families. ██████╗ ██╗██████╗ ████████╗██╗ ██╗███████╗ █████╗ ██╗██╗ ██╔══██╗██║██╔══██╗╚══██╔══╝╚██╗ ██╔╝██╔════╝██╔══██╗██║██║ ██║ ██║██║██████╔╝ ██║ ╚████╔╝ █████╗ ███████║██║██║ █...

CVE-2026-31635

🩸 CVE-2026-31635 – DirtyDecrypt Linux Kernel Local Privilege Escalation via RXGK Page Cache Corruption "DirtyDecrypt" — Part of the 2026 "Dirty" family exploits 📖 Overview DirtyDecrypt CVE-2026-31635 is a local privilege escalation vulnerability in the Linux kernel's rxrpc subsystem specifically...

dirtyclone-CVE-2026-43503

CVE-2026-43503 — DirtyClone Linux local privilege escalation. A cloned skbuff loses the SKBFLSHAREDFRAG flag, so ESP in-place decryption writes into file-backed page-cache memory. The PoC patches /etc/passwd in cache to inject a uid-0 account and gives a root shell. Disk is never modified. Fixed ...

CVE-2026-31431-copy-fail

CVE-2026-31431 Copy Fail Exploit Part 1: Theoretical Concept How CVE-2026-31431 Works Instead of the system constantly fetching files directly from the slow physical hard disk—which wastes a lot of time the Linux system creates a temporary copy of the file inside RAM, known as the Page Cache. Thi...

CVE-2026-46300

🛡️ CVE-2026-46300 - Fragnesia A Clean & Deadly Page-Cache Attack Variant of the "Dirty Frag" family 📌 Overview CVE-2026-46300 Fragnesia is a high-severity logic flaw in the Linux kernel's socket buffer handling skbtrycoalesce within the XFRM/ESP-in-TCP subsystem espintcp ULP. An unprivileged local...