rustproofing-linux

Rustproofing Linux Porting Linux Kernel Bugs to Rust This source code repository is a collection of examples accompanying the blog post at https://research.nccgroup.com/?p=18577. DO NOT USE these examples for anything but following the blog post. They intentionally contain vulnerabilities, and ev...

wolfssl

wolfSSL Embedded SSL/TLS Library The wolfSSL embedded SSL library formerly CyaSSL is a lightweight SSL/TLS library written in ANSI C and targeted for embedded, RTOS, and resource-constrained environments - primarily because of its small size, speed, and feature set. It is commonly used in standar...

PF_RING

PFRING™ Introduction PFRING™ is a Linux kernel module and user-space framework that allows you to process packets at high-rates while providing you a consistent API for packet processing applications. Who needs PFRING™? Basically everyone who has to handle many packets per second. The term ‘many’...

Paranoid-Dirty-Frag-CVE-2026-43284

Dirty Frag mitigation script This script: 1. Blocks vulnerable kernel modules from loading 2. Unloads them if currently active 3. Verifies mitigation status WARNING: Disables Linux IPsec ESP support esp4/esp6 and RxRPC support. This may break: - strongSwan - libreswan - some enterprise VPNs -...

copy-fail-CVE-2026-31431-mitigation-ansible-playbook

CVE-2026-31431 Mitigation Playbook An Ansible playbook to apply and rollback the CVE-2026-31431 AFALG kernel module mitigation on both Debian/Ubuntu and RHEL/Rocky/AlmaLinux systems. Overview This playbook mitigates CVE-2026-31431 by disabling the vulnerable algifaead kernel module: Debian/Ubuntu...

copy-fail-check

copy-fail-check CVE-2026-31431 Helper based on https://copy.fail/ Copy Fail Quick Check Interactive bash helper to review basic exposure related to CVE-2026-31431 Copy Fail and apply a temporary mitigation based on algifaead. Target compatibility Mainly intended for: Debian / Ubuntu AlmaLinux /...

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,...

copyfail-guard

copyfail-guard A zero-dependency Python CLI that checks whether a Linux host appears exposed to CVE-2026-31431 "Copy Fail" without running an exploit. It can also apply a conservative temporary mitigation when the affected component is loadable as a kernel module. Supports Debian/Ubuntu,...

cve-2026-31431-check

cve-2026-31431-check cve-2026-31431-check is a small Bash triage script for checking local Linux exposure and mitigation indicators for CVE-2026-31431, also known as "Copy Fail." The script targets Debian, Ubuntu, and Debian-family derivatives including Linux Mint, Pop!OS, and similar...

fix-cve-2026-3143

fix-cve-2026-3143 Diagnostics and remediation for CVE-2026-31431 copy fail Installation Copy the installation script to the clipboard and run it in the command line sudo apt install git && cd && git clone https://github.com/ClimbMunchkin/fix-cve-2026-3143.git fix-cve-2026-3143 && chmod +x...

CVE-2026-31431

Test, patch, fix: CVE-2026-31431 Test:Check vuln python3 -c 'import socket;exec"try:s=socket.socketsocket.AFALG,socket.SOCKSEQPACKET,0;s.bind"aead","authencesnhmacsha256,cbcaes";print"vulnerable"\nexcept:print"not vulnerable""' check if module Check if module is loaded in kernel lsmod |...

cve-2026-31431-ftrace

cve-2026-31431 mitigation using ftrace The ebpf solutions around for mitigating cve-2026-31431 require lsm=bpf at boot time, which is usually not set by default. For OracleLinux this was enabled by default in UEKr7u3 and in UEKr8u1 after December 2025. To check whether or not you can use ebpf-lsm...

Copy-Fail

CVE-2026-31431 "Copy Fail" - Local Privilege Escalation Python 3.7+ compatible version including Astra Linux Safe check without exploitation: curl -s https://raw.githubusercontent.com/p401a-ops/Copy-Fail/refs/heads/main/detect.py | python3 Exploitation when prompted, you will need to enter the us...

dirty-frag-check

Dirty Frag check CVE-2026-43284 / CVE-2026-43500 Read-only checker for the "Dirty Frag" Linux kernel local-root vulns CVE-2026-43284, CVE-2026-43500. Checks kernel version, module state, KernelCare livepatch, and any modprobe blacklist you've added. Doesn't run exploit code. Companion to...

CVE-2026-31431

CVE-2026-31431 Copy Fail Checker Checks whether a Linux host is vulnerable to CVE-2026-31431 and applies mitigation. Files checkcve202631431.yml - Ansible playbook to verify and patch revertcve202631431.yml - Ansible playbook to undo mitigation runcheck.sh - Script to run verification locally or...

fuck_cve_2026_31431

fuckcve202631431 make KERNELVER=uname -r : for LKM sudo insmod fuck-cve-2026-31431.ko regfakeimpl=1 : for builtin sudo insmod fuck-cve-2026-31431.ko...

Copy_Fail_CVE-2026-31431_test_and_fix

Usage python3 testCVE-2026-31431.py Fix for Almalinux 9 / 10 until kernel update arrive sudo grubby --update-kernel ALL --args="initcallblacklist=algifaeadinit" sudo reboot Fix for Debian / Ubuntu until kernel update arrive as root echo "install algifaead /bin/false"...

LiME

LiME Linux Memory Extractor A Loadable Kernel Module LKM for volatile memory acquisition from Linux and Linux-based devices, such as Android. LiME minimizes its interaction between user and kernel space processes during acquisition, producing memory captures that are more forensically sound than...

KOOBE-Guard

KOOBE-Guard: Active Temporal Mitigation of Kernel Double-Free Vulnerabilities Authors: Vedant Karande & Kiran Kumari Course: Network & Systems Security SIL7165 - Indian Institute of Technology Delhi Overview KOOBE-Guard is a dynamic Intrusion Prevention System IPS developed as a Linux Loadable...

cve-2017-2636-el

cve-2017-2636-el This role installs the workaround documented on https://access.redhat.com/security/cve/CVE-2017-2636 to blacklist the nhdlc module from being loaded. Requirements This role only applies to Red Hat Enterprise Linux versions 6 and 7, and variants CentOS, CloudLinux, etc. License MI...