CVE-2026-31431_je_sappelle_RoOt

CVE-2026-31431 - Copy Fail - Je s'appelle ROOT ! 📌 Repository Purpose This repository documents the CVE-2026-31431 vulnerability, nicknamed Copy Fail , and provides a defensive remediation procedure for potentially exposed Linux systems. ⚠️ This repository is strictly focused on defense, authorize...

CVE-2021-41091

CVE-2021-41091 This exploit offers an in-depth look at the CVE-2021-41091 security vulnerability and provides a step-by-step guide on how to utilize the exploit script to achieve privilege escalation on a host. Vulnerability Summary CVE-2021-41091 is a flaw in Moby Docker Engine that allows...

cve-2026-31431-checker

CVE-2026-31431 "Copy Fail" — Vulnerability Detection Script Shell-based scanner for CVE-2026-31431 "Copy Fail" , a local privilege escalation vulnerability in the Linux kernel's cryptographic subsystem algifaead / AFALG interface. An unprivileged local user can write 4 bytes into the in-memory pa...

CVE-2026-46331-pedit-cow

CVE-2026-46331-pedit-cow Write-up and exploitation steps for the pedit COW vulnerability CVE-2026-46331. Overview This challenge demonstrates pedit COW, a Linux kernel flaw in the traffic-control subsystem's packet-editing action actpedit. The vulnerability allows an unprivileged user to overwrit...

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カーネルに存在する9年間の重大な脆弱性。数秒でroot権限を取得可能 📋 エグゼクティブサマリー 属性| 詳細 ---|--- CVE| CVE-2026-31431 ニックネーム| Copy Fail タイプ| ローカル権限昇格（LPE） CVSS| 7.8（High） 発見者| Theori（Xint Code） 公開日| 2026年4月29日 対象コンポーネント| Linuxカーネルのalgifaeadサブシステム ⚡ なぜこれほど危険なのか？ 🎯 速度 即時エクスプロイト：root取得まで1秒未満 わずか732バイ...

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...

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...

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:...

CVE-2026-31431

CVE-2026-31431 — AFALG を介したローカル権限昇格 2026-04-29 — このエクスプロイトをMyDigitalLife フォーラム で公開した翌日に公開します。 Python は不要で、C で記述され、以下を使用して可能な限り小さくコンパイルされています: musl-gcc -static -Os -o exploit exploit.c -s 重大な脅威です。エクスプロイトバイナリは依存関係なしでコンパイルされており、任意の Linux システムで脆弱性のテストに使用できます。 CVE-2026-31431 は、NIST が確認した Linux...

CVE-2026-31431

CVE-2026-31431 — "Copy Fail" Local Privilege Escalation in the Linux Kernel crypto algifaead subsystem. Overview CVE-2026-31431, dubbed "Copy Fail", is a logic bug in the Linux kernel's authencesn cryptographic template algifaead. It allows an unprivileged local user to perform a controlled 4-byt...

copy-fail-CVE-2026-31431

CVE-2026-31431 — Copy Fail 732 bytes. Any distro. Root. A straight-line logic flaw in the Linux kernel's authencesn cryptographic template enables an unprivileged local user to perform a precise, controlled 4-byte write into the page cache of any readable file — including setuid binaries. No race...

copy-fail-mitigate-no-reboot

copy-fail-mitigate Minimal no-reboot mitigation helper for Copy Fail / CVE-2026-31431. This script disables the vulnerable algifaead module path and attempts to unload the module immediately. It also performs a best-effort page-cache eviction for /usr/bin/su. This is a mitigation, not a kernel fi...

CVE-2026-31431-Copy-Fail-Detection-Toolkit

CVE-2026-31431 Copy Fail Detection Toolkit Detection and analysis toolkit for CVE-2026-31431 "Copy Fail" - a critical Linux Local Privilege Escalation vulnerability affecting distributions from 2017 onwards. Vulnerability Overview CVE-2026-31431 exploits a logic flaw in the Linux kernel's algifae...

CVE-2026-31431-cleaned

copyFail.py — CVE Exploit Analysis Report Summary copyFail.py is a proof-of-concept PoC exploit that demonstrates a local privilege escalation vulnerability in the Linux kernel. By abusing the splice system call in combination with crafted socket options, the exploit gains the ability to corrupt...

Copy_Grail

copygrail | copy-fail-CVE-2026-31431 copygrail is a compact, single-file C++ implementation of the CVE-2026-31431 "Copy Fail" local privilege escalation vulnerability. It showcases a clean AFALG + splice page cache corruption technique that can be used to overwrite a setuid binary and escalate...

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...

Copy-Fail-CVE-2026-31431

Copy-Fail-CVE-2026-31431 A proof-of-concept exploit reproduction of the Linux kernel vulnerability CVE-2026-31431 , also known as Copy Fail. Credits to: Copy Fail Affected Systems Linux kernel versions 4.14 and newer Most major distributions released from 2017 until patch deployment Ubuntu, Debia...

Rocky Linux 9 [CIQ] Security Update: glibc / glibc-all-langpacks / glibc-benchtests / etc (crlsa-2025_8655)

The Rocky Linux 9 host has packages installed that are affected by a vulnerability as referenced in the CIQ crlsa-20258655 advisory. glibc: static setuid binary dlopen may incorrectly search LDLIBRARYPATH CVE-2025-4802 Tenable has extracted the preceding description block directly from the CIQ...

Rocky Linux 8 [CIQ] Security Update: compat-libpthread-nonshared / glibc / glibc-all-langpacks / etc (crlsa-2025_8686)

The Rocky Linux 8 host has packages installed that are affected by a vulnerability as referenced in the CIQ crlsa-20258686 advisory. glibc: static setuid binary dlopen may incorrectly search LDLIBRARYPATH CVE-2025-4802 Tenable has extracted the preceding description block directly from the CIQ...