copy-fail-CVE-2026-31431

Copy Fail - CVE-2026-31431 Technical Writeup Tested Distro / Version Distro| Version ---|--- Ubuntu 24.04 LTS| 6.17.0-1007-aws Amazon Linux 2023| 6.18.8-9.213.amzn2023 RHEL 10.1| 6.12.0-124.45.1.el101 SUSE 16| 6.12.0-160000.9-default...

copy-fail-CVE-2026-31431-detection-probe

Linux Kernel LPE Probe Suite — Copy Fail & Dirty Frag Safe detection tooling for two related Linux kernel local privilege escalation vulnerability families — Copy Fail CVE-2026-31431 and Dirty Frag CVE-2026-43284 / CVE-2026-43500 — both affecting all major distributions since 2017, both exploitab...

cve-2026-31431

CVE-2026-31431 — Linux Kernel algifaead "Copy Fail": Analysis Security research on CVE-2026-31431 CVSS 3.1 7.8 HIGH , AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H: three composable design flaws in the AFALG AEAD interface chain into a deterministic, race-free 4-byte page-cache write at any offset of any...

copy-fail-CVE-2026-31431-cpp

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CVE-2026-31431_SCA_WAZUH

Wazuh SCA policy: Copy Fail CVE-2026-31431 This policy file: copy-fail-cve-2026-31431-policy.yml is designed to detect likely exposure and mitigation status for Copy Fail / CVE-2026-31431. What this policy checks 1. algifaead is disabled via modprobe policy. 2. algifaead is not currently loaded. ...

cve-2026-31431-checker

CVE-2026-31431 Copy Fail Detection Tool A comprehensive detection and analysis tool for CVE-2026-31431 "Copy Fail" vulnerability in Linux kernels. ⚠️ IMPORTANT DISCLAIMER This tool is for DETECTION ONLY. It does not exploit or modify any system files. Only reads system information and configuratio...

CVE-2026-31431

Copy Fail - CVE-2026-31431 Technical Writeup Tested Distro / Version Distro| Version ---|--- Ubuntu 24.04 LTS| 6.17.0-1007-aws Amazon Linux 2023| 6.18.8-9.213.amzn2023 RHEL 10.1| 6.12.0-124.45.1.el101 SUSE 16| 6.12.0-160000.9-default...

copy-fail-mitigation-with-bpftrace

copy-fail-mitigation-with-bpftrace CVE-2026-31431, AKA Copy Fail, can be mitigated in one-line with bpftrace, no kpatch building, no cargo building English Version | 中文版本 Idea To exploit Copy Fail, you need to bind socket AFALG and use algorithm authencesn , which most applications don't use a lo...

copyfail-arm64

Copy Fail ARM64 Research CVE-2026-31431 Analysis and ARM64 reproduction of the Copy Fail Linux kernel privilege escalation vulnerability CVE-2026-31431, originally disclosed by Xint. Blog post: Copy Fail on ARM64: Understanding and Porting CVE-2026-31431 What's Included File| Description ---|---...

copy-fail-CVE-2026-31431

Copy Fail CVE-2026-31431 - PoC This repository contains a Proof of Concept PoC for the Copy Fail CVE-2026-31431 vulnerability. ⚠️ Disclaimer: This project is for educational and research purposes only. Do NOT use this on systems you do not own or do not have permission to test. 🧪 Usage Follow the...

copy-fail

copy-fail PoC of CVE-2026-31431 USAGE: wget https://raw.githubusercontent.com/pedromizz/copy-fail/main/poc.py python3 poc.py $ id uid=0root pedromizz :...

copy-fail-CVE-2026-31431

CVE-2026-31431 Copy Fail exploit Author: pyroceper Tested on: Ubuntu 25.10 x8664 $ make $ ./exploit Detected kernel: 6.17.0 Making backup of /etc/passwd to /tmp Backup saved as /tmp/passwd.bak Obtaining root shell... id uid=0pwn gid=0root groups=0root whoami pwn CREDITS & REFERENCES: Original...

CVE-2026-31431-Copy-Fail

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ubuntu-cve-2026-31431-mitigation

Complete Guide to Updating the Kernel and kmod in Ubuntu to Fix Security Vulnerabilities CVE CVE-2026-31431 This vulnerability, also known as Copy Fail, is a logic bug in the Linux kernel that occurs in the AFALG / algifaead path. According to the discloser, an unprivileged local user can cause t...

copy-fail-rs

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copy-fail-CVE-2026-31431

Copy Fail - CVE-2026-31431 Technical Writeup Tested Distro / Version Distro| Version ---|--- Ubuntu 24.04 LTS| 6.17.0-1007-aws Amazon Linux 2023| 6.18.8-9.213.amzn2023 RHEL 10.1| 6.12.0-124.45.1.el101 SUSE 16| 6.12.0-160000.9-default...

ansible-role-cve-2026-31431

ansible-role-cve-2026-31431 Ansible role to apply and later remove the modprobe.d mitigation for CVE-2026-31431 "Copy Fail" in the Linux kernel's AFALG / algifaead subsystem. Tested on Debian. Pull requests for other distributions, edge cases, or improvements are very welcome. What it does The ro...

CVE-2026-31431-live-process-code-injection

CVE-2026-31431 Copy Fail — Live Process Code Injection PoC Demonstrates arbitrary code execution in a running process via page cache. by @secinfosex What it does: 1. Compiles a test binary: check return 42; in an infinite loop 2. Launches the process 3. Waits for "check = 42" output 4. Replaces...

copy-fail-CVE-2026-31431

Copy Fail - CVE-2026-31431 Technical Writeup Tested Distro / Version Distro| Version ---|--- Ubuntu 24.04 LTS| 6.17.0-1007-aws Amazon Linux 2023| 6.18.8-9.213.amzn2023 RHEL 10.1| 6.12.0-124.45.1.el101 SUSE 16| 6.12.0-160000.9-default...

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 /...