CVE-2026-31431-Copy-Fail

CVE-2026-31431-Copy-Fail xpl0ited by infrar3d This repository contains a proof‑of‑concept exploit for CVE-2026-31431 Copy Fail. CVE-2026-31431, known as "Copy Fail", is a high-severity Local Privilege Escalation LPE flaw in the Linux kernel that has been present for nearly a decade. It allows an...

copyfail-rs

copyfail-rs Rust implementation of CVE-2026-31431 Copy Fail — a Linux kernel page-cache write primitive via AFALG splice. 中文文档 / Chinese README CVE-2026-31431 The Linux kernel's algifaead implementation allows an unprivileged user to write arbitrary data into the page cache of any readable file v...

CVE_kernellinux_jsh

CVEkernellinuxjsh — kernelsec Framework Author: jshDevs · Version: 0.1.0-scaffold · License: MIT Modular Bash framework for auditing and remediating critical Linux kernel CVEs on RPM-based distributions AlmaLinux 8/9, Rocky Linux 8/9, CentOS Stream 8/9/10. Covered CVEs CVE| Subsystem| Type| CVSS|...

CVE-2026-31431_CopyFail_LinuxKernel_LPE

CVE-2026-31431 — Copy Fail Linux Kernel LPE Educational rewrite of the Theori/Xint proof-of-concept for CVE-2026-31431, a local privilege escalation vulnerability in the Linux kernel's algifaead crypto socket interface. Affects every mainline kernel from 4.14 July 2017 through 6.18.21, and the 6....

kasld

KASLD recovers the Linux kernel's virtual and physical memory layout — primarily the kernel text base — from a local process. What it can recover is a function of that process's vantage: its privileges and capabilities, the system's configuration, and any container confinement. It recovers the ba...

Copy-Fail---CVE-2026-31431

CVE-2026-31431 - Copy Fail - Detection Script Python script to check whether a Linux system is vulnerable to the CVE-2026-31431 Copy Fail flaw, a local privilege escalation in the Linux kernel. The flaw in brief Since 2017 commit 72548b093ee3, the kernel's algifaead cryptographic module has handl...

CVE-2023-0045

Bypassing Spectre-BTI User Space Mitigations on Linux This is a working document, please send us feedback if you think we got something wrong or if we missed a citation Version 1.0 José Oliveira esoj Rodrigo Branco BSDaemon Introduction When testing the success rate of Spectre-BTI attacks, we...

Copy-Fail-Exploit-CVE-2026-31431

Copy Fail CVE-2026-31431 – Exploit Usage Guide ⚠️ Disclaimer This content is for educational and authorized security testing purposes only. Do NOT run this on systems without explicit permission. 📌 Overview Copy Fail CVE-2026-31431 is a Linux Local Privilege Escalation LPE vulnerability affecting...

CVE-2016-5195

demo1 This demo is based on https://github.com/timwr/CVE-2016-5195 make test output: user@user:/$ cd /home/user/demo1 && make test /home/user/adb/android-ndk-r21d/ndk-build NDKPROJECTPATH=. APPBUILDSCRIPT=./Android.mk APPABI=x8664 APPPLATFORM=android-23 make1: Entering directory '/home/user/demo1...

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...

Copy-Fail-CVE-2026-31431-Statically-PoC

Copy-Fail CVE-2026-31431 Static Go PoC This repository contains a Go port of the public Python proof of concept from theori-io/copy-fail-CVE-2026-31431. The program is Linux-only. It uses the Linux AFALG interface, AEAD control messages, and splice2 to preserve the behavior of the original PoC...

copyfail

CVE-2026-31431 — "Copy Fail" Safe Detection Script A read-only detection script for the Copy Fail Linux kernel local privilege escalation vulnerability. No exploit code. No AFALG socket opened. No files written outside /etc/modprobe.d only when you apply the mitigation manually. Background Copy...

StackRot

StackRot CVE-2023-3269: Linux kernel privilege escalation vulnerability GitHub-CI-verified exploit A flaw was found in the handling of stack expansion in the Linux kernel 6.1 through 6.4, aka "Stack Rot". The maple tree, responsible for managing virtual memory areas, can undergo node replacement...

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...

CVE-2026-31431-Report-Copy-fail-Vulnerability-

CVE-2026-31431 — Copy Fail: Linux Kernel Privilege Escalation Educational analysis of the Copy Fail vulnerability in the Linux kernel. Covers the memory corruption mechanism, privilege escalation flow, container escape, and defensive countermeasures. ⚠️ Disclaimer This repository is for educationa...

PATCH-CVE-2026-31431-Ubuntu_Debian

🛡️ CVE-2026-31431 Copy Fail Mitigation - Linux Kernel This repository contains scripts designed to neutralize the critical vulnerability CVE-2026-31431 , nicknamed "Copy Fail" , on Ubuntu systems. !IMPORTANT Compatibility: These scripts are tailored for and tested on Ubuntu Server 24.04 LTS. While...

CVE-2019-5489

CVE 2019-5489 This repository contains Page Cache Side Channel Attacks CVE-2019-5489 proof of concept for Linux. In order to evaluate page cache side channel, I have implemented covert channel between two processes. The sender process send confidential data to a receiver process via the page cach...

copy-fail-CVE-2026-31431-shell

CVE-2026-31431 - copyfail shell Local privilege escalation via AFALG socket + splice page-cache overwrite. Overwrites a read-only SUID binary /usr/bin/su with a minimal ELF that calls setuid0 + execve"/bin/sh". No race condition, no per-distro offsets, single shot. $ ./copyfailexp.sh Kernel:...

copy-fail-fix

copy-fail-fix Per-distro mitigation scripts for CVE-2026-31431 "Copy Fail" — a Linux kernel algifaead local privilege escalation that affects essentially every distro shipped since 2017. Each script either installs a patched kernel from your distribution's repos when one is available or, if not,...

cve-2026-31431-mitigation

CVE-2026-31431 Mitigation Script This repository provides a temporary mitigation and revert script for CVE-2026-31431, a Linux kernel local privilege escalation vulnerability. Disclaimer This is a temporary workaround, not a permanent fix. Use at your own risk. Always test in a non-production...