CVE-2026-31431-python-copyfail-POC

CVE-2026-31431: Copy Fail - Linux Kernel Privilege Escalation Copy Fail CVE-2026-31431 is a critical logic bug in the Linux kernel's cryptographic subsystem that allows unprivileged users to achieve privilege escalation to root. The vulnerability affects Linux kernels 6.0.0 through 6.18.x across...

block-copyfail

block-copyfail Proof of concept runtime mitigation for CVE-2026-31431 "Copy Fail" — a Linux kernel privilege escalation via the authencesn cryptographic template in algifaead. Unlike module blacklisting, this requires no reboot. A BPF LSM program hooks socketbind and blocks all AFALG AEAD binds —...

CVE-2023-32233

CVE-2023-32233 5.x Kernel Adaptation Existing Exploits 1. https://github.com/Liuk3r/CVE-2023-32233/tree/main 2. https://github.com/google/security-research/tree/master/pocs/linux/kernelctf/CVE-2023-32233mitigation Reason Since the lower version listdelrcu. Method This exploit has been tested on...

CVE-2022-0995

CVE-2022-0995 CVE-2022-0995 exploit writeups exploit target : linux-5.13.18 refernces : https://docs.kernel.org/core-api/watchqueue.htmloverview https://bsauce.github.io/2022/04/15/CVE-2022-0995/ https://google.github.io/security-research/pocs/linux/cve-2021-22555/writeup.html...

cve-2026-31431

CVE-2026-31431 "Copy Fail" — IR Playbook & Detection Package Production-ready IR playbook, detection rules, and SOC triage guidance for CVE-2026-31431 — a Linux kernel local privilege escalation in the algifaead crypto interface. Includes an interactive HTML playbook , Sigma rules, auditd configs...

Linux-Kernel-4.4.0-Ubuntu---DCCP-Double-Free-Privilege-Escalation-CVE-2017-6074

Linux-Kernel-4.4.0-Ubuntu---DCCP-Double-Free-Privilege-Escalation-CVE-2017-6074...

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-2026-46300

CVE-KERNEL · Linux Kernel LPE Chain Multi-CVE Local Privilege Escalation chain for Linux kernel vulnerabilities uid=1000 → root via xfrm-ESP, RxRPC, or Fragnesia page-cache write Overview CVE-KERNEL is a Python-based Local Privilege Escalation LPE tool that chains multiple Linux kernel CVEs to...

linux-kernel-zero-day-mitigation-zero-downtime-kernel-defense-

Zero-Downtime Linux Kernel Zero-Day Defense: Layered Compensating Controls via eBPF Telemetry, Module Disarmament, and User Namespaces -black?style=flat-square When the Cybersecurity and Infrastructure Security Agency CISA adds critical Linux kernel vulnerabilities to its Known Exploited...

CVE-2026-31431-CopyFail-Linux-PrivEsc

CVE-2026-31431 CopyFail Linux Local Privilege Escalation A demonstration and explanation of CVE-2026-31431, the Linux Kernel Copy Fail Local Privilege Escalation vulnerability. The vulnerability allows for files opened with read permission to have data overwritten in the page cache. This reposito...

copy_fail

Copy Fail — CVE-2026-31431 CVE-2026-31431 Copy Fail is a local privilege escalation vulnerability in the Linux kernel's algifaead module AFALG subsystem. A logic flaw introduced in August 2017 allows any unprivileged local user to write 4 controlled bytes into the page cache of any readable file...

CVE-2017-0541

poc and vulnerability analysis of CVE-2017-0541...

CVE-2026-43284

🚨 CVE-2026-43284 — Dirty Frag 🚨 Universal Linux Kernel Local Privilege Escalation Overview Field| Detail ---|--- CVE| CVE-2026-43284 xfrm/ESP + CVE-2026-43500 RxRPC Nickname| Dirty Frag CVSS| 7.8 HIGH Type| Local Privilege Escalation LPE Introduced| Linux kernel 4.10 2017, commit cac2661c53f3...

OverlayFS-PrivEsc-CVE-2022-0944

CVE-2022-0944: Privilege Escalation Vulnerability in OverlayFS 🛡️ Security advisory and mitigation guide for the Linux kernel privilege escalation vulnerability in OverlayFS. 📜 Overview CVE-2022-0944 is a security vulnerability in the Linux kernel's OverlayFS subsystem that allows local attackers...

CVE-2017-16995

Linux Kernel Version 4.14 - 4.4 Ubuntu && Debian Description This vulnerability exists in the eBPF bpf2 system call in the Linux kernel. When a user provides a malicious BPF program that causes a calculation error in the eBPF verifier module, it leads to arbitrary memory read/write issues...

CVE-2023-2598

CVE-2023-2598 Refer: https://anatomic.rip/cve-2023-2598/ https://github.com/ysanatomic/iouringLPE-CVE-2023-2598 https://bsauce.github.io/2024/07/30/CVE-2023-2598/ Build: apt install -y liburing-dev gcc CVE-2023-2598.c -o CVE-2023-2598 -luring PoC: user1@syzkaller:$ uname -a Linux syzkaller 6.3.1 ...

CVE-2026-43284-

CVE-2026-43284 Dirty Flag Local Privilege Escalation As of early May 2026, Dirty Frag refers to a high-severity Linux kernel vulnerability CVE-2026-43284 and CVE-2026-43500.Impact: It allows unprivileged users to gain root access full administrative control by exploiting how the kernel handles...

CVE-2021-3493-Exploit

CVE-2021-3493-Exploit A proof-of-concept local privilege escalation exploit for CVE-2021-3493, written in C. 📌 Description This repository contains a C implementation of the exploit for CVE-2021-3493. This is a Local Privilege Escalation LPE vulnerability in the OverlayFS implementation in the...

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...

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...