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

🔥 CVE-2026-31431 - "Copy Fail !!!" A surprisingly simple yet deadly local privilege escalation in the Linux kernel 📌 Overview CVE-2026-31431 nicknamed "Copy Fail" is a local privilege escalation vulnerability in the Linux kernel's cryptographic subsystem, specifically affecting the algifaead...

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-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 A critical 9-year-old flaw in the Linux kernel that allows obtaining root access in seconds 📋 Executive Summary Attribute| Details ---|--- CVE| CVE-2026-31431 Nickname| Copy Fail Type| Local Privilege Escalation LPE CVSS| 7.8 High Discovered by| Theori Xint Code...

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 — Local Privilege Escalation via AFALG 2026-04-29 — I am publishing this exploit one day after sharing it on theMyDigitalLife forum. It does not require Python; it is written in C and compiled to the smallest possible size using: musl-gcc -static -Os -o exploit exploit.c -s Critica...

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 732바이트. 모든 배포판. 루트. Linux 커널의 authencesn 암호화 템플릿에 존재하는 단순한 논리 결함으로, 권한이 없는 로컬 사용자가 setuid 바이너리를 포함한 모든 읽기 가능한 파일의 페이지 캐시에 정밀하고 통제된 4바이트 쓰기를 수행할 수 있습니다. 레이스 없음. 재시도 없음. 재컴파일 없음. 2017년 이후 출시된 모든 주요 Linux 배포판에서 루트 권한 획득. 📄 기술 문서 · 🔗 커널 패치 · 🛡️ CVSS: Critical 테스트된 배포판 배포판| 커...

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...