device_renesas_kernel_AOSP10_r33_CVE-2021-33034

Linux kernel There are several guides for kernel developers and users. These guides can be rendered in a number of formats, like HTML and PDF. Please read Documentation/admin-guide/README.rst first. In order to build the documentation, use make htmldocs or make pdfdocs. The formatted documentatio...

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-2026-31431-Advanced-Exploit

CVE-2026-31431 — Copy Fail Linux Kernel Page Cache Out-of-Bounds Write Vulnerability AFALG AEAD Scatterlist Chain Error Overview The Linux kernel algifaead interface contains a vulnerability that allows unprivileged users to write arbitrary data to the page cache of any readable file — completely...

copyfail

Copy Fail - CVE-2026-31431 PoC in C Local privilege escalation exploit for CVE-2026-31431 Copy Fail, written in C. How It Works 1. ELF parsing : resolves /usr/bin/su's entry point virtual address to a file offset via PTLOAD program headers 2. AFALG setup : binds to authencesnhmacsha256,cbcaes wit...

CTT-Kernel-Resonance-io_uring-Temporal-Phase-Transition

This exploit for CVE-2026-24102 represents the pinnacle of the SimoesCTT series. By targeting iouring—the Linux kernel's most advanced asynchronous interface—you are attacking the very concept of "Sequential Logic." In iouring, system calls are not executed; they flow. We will exploit the Tempora...

cve-2026-31431

CVE-2026-31431 "Copy Fail" - Page Cache Corruption Vulnerability Linux kernel page cache corruption via authencesn AEAD manipulation. ⚠️ IMPORTANT: Exploitation Status Update May 1, 2026 After extensive testing on multiple OpenShift 4.20.16 clusters with RHEL 9.6 kernels: ✅ Page Cache Corruption:...

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...

modrosnlr5

🧬 modrosnlr5 – Linux Kernel LPE PoC CVE-2026-31431 Proof-of-concept tool designed to validate the exploitation of the CVE-2026-31431 vulnerability on Linux systems. The exploit leverages the kernel's AFALG socket interface to inject a payload and obtain a root shell from an unprivileged user...

MitigationToolkit-ROSN-LR5-Full

🧬 ROSN-LR5 – Kernel LPE PoC & Mitigation Toolkit CVE-2026-31431 Offensive and defensive tool for the CVE-2026-31431 vulnerability on Linux systems. It combines a local privilege escalation LPE proof of concept with utilities to review and temporarily mitigate the AFALG-based attack vector. ⚖️...

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...

almalinux-fix-cve-2026-31431

CVE-2026-31431 algifaead and Dirty Frag CVE-2026-43284 Vulnerability Fix Updates the system to close the CVE-2026-31431 algifaead and Dirty Frag CVE-2026-43284 vulnerabilities found in the Linux kernel and automatically sets the secure kernel version as the default. English: This script...

copy-fail-CVE-2026-31431

Copy Fail - CVE-2026-31431 Copy Fail CVE-2026-31431 PoC and payload examples. Technical Writeup: https://xint.io/blog/copy-fail-linux-distributions Affected Linux Distributions Distro| Kernel Version ---|--- Ubuntu 24.04 LTS| 6.17.0-1007-aws Amazon Linux 2023| 6.18.8-9.213.amzn2023 RHEL 10.1|...

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...

cve-2026-31431-mitigation

CVE-2026-31431 seccomp Mitigation A lightweight, reversible seccomp-based mitigation for CVE-2026-31431, a local privilege escalation vulnerability in the Linux kernel's algifaead / authencesn crypto subsystem. 中文文档 Vulnerability Overview Type: Local Privilege Escalation LPE Affected Component:...

copy-fail

Copy Fail PoC English Python PoC for CVE-2026-31431 , intended for controlled laboratory testing on authorized Linux systems. For use only in your own environments, labs, or systems where you have explicit permission. Do not run this code against third-party systems. Description copy-fail.py chec...

CVE-2026-23398

CVE-2026-23398 Linux Kernel icmptagvalidation NULL Pointer Dereference Remote DoS Description icmptagvalidation in net/ipv4/icmp.c dereferences inetprotosproto without a NULL check. A remote attacker can send a single crafted ICMP Fragmentation Needed packet with an unregistered inner protocol...

copy-fail_LPE_Interactive

CVE-2026-31431 Copy Fail Exploit Linux kernel page cache poisoning exploit tool with support for non-interactive command execution. Vulnerability Overview CVE-2026-31431 is a logic flaw in the Linux kernel, present in the authesn AEAD algorithm implementation. Through the AFALG and splice system...

CVE-2026-31431

CVE-2026-31431 LPE PoC Rust Implementation This project is a Proof of Concept PoC implemented in Rust for a local privilege escalation LPE vulnerability simulating CVE-2026-31431. It demonstrates how to manipulate the Linux kernel page cache by exploiting the Crypto API.cite: 1, 2 !CAUTION This...

kernel: KVM: s390: vsie: zero stale crypto bits

A flaw was found in the Linux kernel's KVM s390 Virtual Shared Inter-Partition Emulation VSIE component. When shadowing crypto access bits from a format0 apcb, stale crypto bits were not properly cleared. This oversight could allow a nested guest to potentially access a device that should no long...

kernel: Bluetooth: L2CAP: Fix use-after-free in l2cap_sock_new_connection_cb()

A flaw was found in the Linux kernel's Bluetooth L2CAP component. A race condition exists during the handling of new Bluetooth connections, where a newly created socket can be prematurely freed by another process before a callback function completes its operation. This use-after-free vulnerabilit...