CVE-2026-31431-PoC

Copy Fail - Python 3.9 PoC CVE-2026-31431 The public Copy Fail exploit wasn't compaitble with python 3.9, this one is. The original was modifed by replacing the unavailable os.splice with a lightweight ctypes polyfill. 🚨 LEGAL DISCLAIMER CFAA & Related Laws THIS SOFTWARE IS PROVIDED FOR EDUCATION...

copy-fail-CVE-2026-31431

reference: https://xint.io/blog/copy-fail-linux-distributionsthe-demo-5...

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...

cve-2026-31431-detection

CVE-2026-31431 "Copy Fail" — Defensive Detection Package A production-ready collection of detection rules and triage guidance for CVE-2026-31431, a Linux kernel local privilege escalation in the algifaead crypto interface disclosed by Theori Xint Code Research. The vulnerability exploits an...

CVE-2025-38561

CVE-2025-38561 ksmbd: PreauhHashValue race condition If client send multiple session setup requests to ksmbd, PreauhHashValue race condition could happen...

CVE-2026-31431-CopyFail-Lab

CVE-2026-31431 "Copy Fail" — Linux Kernel LPE Lab Overview This repository documents a complete lab investigation of CVE-2026-31431 Copy Fail , a high-severity local privilege escalation LPE vulnerability in the Linux kernel's algifaead cryptographic module, disclosed on April 29, 2026. CVSS Scor...

Polkit-pkexec-exploit-for-Linux

This repository does not have a README...

CVE-2021-4034

CVE-2021-4034 https://raw.githubusercontent.com/hackingyseguridad/CVE-2021-4034/main/binario Copy the RAW content and paste it into the Bash shell console: CVE-2021-4034 vulnerability, severity 7.8, dated 18/11/2021, in the pkexec component of Polkit https://gitlab.freedesktop.org/polkit/polkit/...

CVE-2026-31431

Test, patch, fix: CVE-2026-31431 root@kitploit: 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""' root@kitploit: check if module Check if module...

CVE-2026-31431-CopyFail-Universal-LPE

CVE-2026-31431 "Copy Fail" — Universal LPE Exploit Linux kernel page cache 4-byte arbitrary write → Local Privilege Escalation Multiple exploit approaches: dynamic ELF entry point overwrite, full binary replacement, Python 3.x compatible with ctypes splice fallback. What is this? CVE-2026-31431 i...

copyfail-rs

copyfail-rs Copy Fail exploit CVE-2026-31431 but in Rust, a critical vulnerability chaining AFALG and splice to achieve a 4-byte page cache write, leading to local privilege escalation on major Linux distributions. Based on the research and PoC by Xint Code. Disclaimer !CAUTION This project is fo...

CVE-2026-31431

CVE-2026-31431 - Copy Fail Copy Fail is a logic bug in the Linux kernel's crypto subsystem CVE-2026-31431. A 2017 optimization in algifaead.c accidentally placed page cache pages into a writable scatterlist. The authencesn AEAD algorithm writes 4 scratch bytes past the output boundary during...

copy-fail-CVE-2026-31431

CVE-2026-31431 — Copy Fail 732 bytes. Any distro. Root. A straight-line logic flaw in the Linux kernel's authencesn cryptographic template enables an unprivileged local user to perform a precise, controlled 4-byte write into the page cache of any readable file — including setuid binaries. No race...

CVE-2025-32463

CVE-2025-32463 — Sudo 1.9.14 → 1.9.17 Local Privilege Escalation via chroot Exploit script demonstrating a local privilege escalation affecting certain Sudo 1.9.x releases CVE-2025-32463. Exploit reference: https://www.exploit-db.com/exploits/52352 Tested on: Ubuntu 24.04.2 LTS with sudo 1.9.16p2...

copyfail

Overview Copy Fail CVE-2026-31431 is a logical vulnerability in the Linux kernel that allows a local unprivileged user to escalate privileges to superuser root. The vulnerability belongs to the Local Privilege Escalation LPE class, does not require complex exploitation conditions such as race...

cve-2024-23113-poc

CVE-2024-23113-poc CVE-2024-23113 is a vulnerability discovered in the Linux Kernel , classified as an arbitrary code execution vulnerability that affects the bpf Berkeley Packet Filter subsystem. Specifically, this vulnerability affects objects of the bpfprog type in bpf programs, and can allow ...

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...

CVE-2026-31431

CVE-2026-31431: Copy Fail PoC + ARM64 Validation Copy Fail is a Linux local privilege escalation published by Theori/Xint as CVE-2026-31431. The project page describes a logic bug in authencesn that can be reached through AFALG and splice, producing a small page-cache write against a setuid binar...

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...

copy-fail-CVE-2026-31431-C

copy-fail-CVE-2026-31431-C Verified on ubuntu 24,ubuntu 25,kali 2026. root@kitploit: gcc -o exploit exploit.c -lz && chmod +x exploit && ./exploit Static compilation root@kitploit: sudo apt install zlib1g-dev gcc -static -o exploit exploit.c -lz or root@kitploit: aarch64-linux-gnu-gcc -o exploit...