57 matches found
copyfail-go
CopyFail Go Most Linux LPEs need a race window or a kernel-specific offset. Copy Fail is a straight-line logic flaw — it needs neither. The same 732-byte Python script static Go binary roots every Linux distribution shipped since 2017. A Go implementation of CVE-2026-31431. In case you need a...
CVE-2026-31431-check
CVE-2026-31431 check Read-only checker for the algifaead local-root vuln CVE-2026-31431. Looks at kernel config, module state, AFALG socket reachability, and any mitigations you've put in place, then prints a verdict. It does not run exploit code. Companion to dirty-frag-check CVE-2026-43284 /...
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 |...
wg.copyfail.patch
CVE-2026-31431 aka Copy.Fail eBPF workaround Why it matters This CVE allows authorized user change cache copy of any readable file, which leads to Local Privilege Escalation aka local root exploit, sandbox/container escape and other issues. It works by creating AFALG socket that is provided by...
d8-copy-fail-mitigation
CVE-2026-31431 Mitigation for Deckhouse Kubernetes Platform Language: English | Русский About the vulnerability CVE-2026-31431 is a vulnerability in the Linux kernel's algifaead module, which exposes the kernel crypto API to userspace through the AFALG socket family. A flaw in the AEAD...
copy-fail-CVE-2026-31431
CVE-2026-31431 — Copy Fail Linux kernel local privilege escalation via AFALG + splice page-cache overwrite For authorized security research, penetration testing, and educational purposes only. Do not use against systems you do not own or have explicit written permission to test. Technical Writeup...
harden-docker-seccomp
harden-docker-seccomp Idempotent script to block AFALG socket creation for all Docker containers on a host as mitigation for CVE-2026-31431 "Copy Fail". Background CVE-2026-31431 is a local privilege escalation in the Linux kernel's authencesn cryptographic template, present in kernels built...
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...
deny-af-alg-bpf
deny-af-alg-bpf Description BPF LSM program that blocks AFALG Linux kernel crypto API socket creation and logs all attempts via a ring buffer to userspace. What it does Attaches to the lsm/socketcreate hook Denies any socketAFALG, ... call with -EPERM Emits structured events pid, comm to a BPF ri...
CVE-2026-31431
📌 CVE-2026-31431 – Privilege Escalation via AEAD Crypto Socket Misuse 🧠 Overview CVE-2026-31431 is a Linux privilege escalation vulnerability that abuses the AFALG kernel crypto API interface. By crafting a malicious interaction with AEAD Authenticated Encryption with Associated Data sockets, an...
CVE-2026-31431-Copy-Fail---Advanced-LPE-Proof-of-Concept---C-Rewrite
CVE-2026-31431 "Copy Fail" - Advanced LPE Proof-of-Concept - C Rewrite An advanced, byte-perfect Local Privilege Escalation LPE Proof-of-Concept PoC for CVE-2026-31431 , exploiting a logic flaw in the Linux kernel's cryptography subsystem algifaead. This repository contains a highly optimized C...
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...
CVE-2026-31431
CVE-2026-31431 "Copy Faill" CVE-2026-31431 Archive and Analysis. Source code for attack Testing Sniffing Tools for the potential Vulnerability. Solution 禁用内核模块 echo "install algifaead /bin/false" /etc/modprobe.d/disable-algif-aead.conf 卸载已加载模块 rmmod algifaead 2/dev/null...
cve-2026-31431-poc
CVE 2026-31431 POC This exploit takes advantage of a flaw in the length validation of authencesn in Linux, causing dirty pages to be written back to locations the user has no permission to access, resulting in privilege escalation. The attack principle is mainly based on this repo, with some...
cve-2026-31431
CVE-2026-31431 Copy Fail Detection and Mitigation Tool This project provides a set of Bash scripts for detecting and mitigating CVE-2026-31431 also known as "Copy Fail", a Linux kernel local privilege escalation vulnerability. Vulnerability Overview CVE ID : CVE-2026-31431 Vulnerability Type :...
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. ⚖️...
CVE-2026-31431-Check
CVE-2026-31431 Copy Fail Vulnerability Check Script Vulnerability Overview CVE-2026-31431 Copy Fail is a Linux kernel local privilege escalation vulnerability that exploits AFALG sockets address family 38 combined with the splice zero-copy system call to bypass file write permissions and tamper...
CVE-2026-31431-EXPLOIT
CVE-2026-31431 - 복사 실패 이 취약점은 권한 없는 로컬 공격자 가 취약한 Linux 시스템에서 루트 권한 을 획득할 수 있게 합니다. ⚠️ 면책 조항 이 코드는 교육 및 보안 연구 목적으로만 제공됩니다. 이 코드는 Linux 커널의 AFALG 소켓 인터페이스에서 가상의 취약점CVE-2026-31431을 시연합니다. 소유하지 않았거나 명시적인 서면 허가를 받지 않은 시스템에서는 이 코드를 실행하지 마십시오. 이 코드의 오용은 법률과 규정을 위반할 수 있습니다. 📜 설명 CVE-2026-314312026년 공개은...
CISA Flags Three Linux Kernel Vulnerabilities Exploited in the Wild
The U.S. Cybersecurity and Infrastructure Security Agency CISA on Friday added three security flaws impacting the Linux kernel to its Known Exploited Vulnerabilities KEV catalog, citing evidence of active exploitation. The vulnerabilities are listed below - CVE-2025-39682 CVSS score: 9.8 - An...
