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...

libslub

libslub libslub is a python library to examine the SLUB managements structures and object allocations the Linux kernel heap implementation. It is currently designed for use with GDB but could easily be adapted to work with other debuggers. It helps understanding SLUB internals and developing Linu...

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...

CVE-2021-4034-CTF-writeup

CVE-2021-4034-CTF-writeup This is a CTF pwn challenge that I wrote in C which requires the user to exploit the CVE-2021-4034 vulnerability. Players are given 2 binaries in the challenge directory in this repo. The chal binary implements the CTF challenge and the shelly.so is a helper binary. How ...

CVE-2026-43494-PinTheft-PoC

SLEY — PinTheft PoC CVE-2026-43494 Proof of concept — uid=1000raken → uid=0root after ./sley on WSL2 6.6.87.2-microsoft-standard-WSL2 Single-file proof-of-concept for CVE-2026-43494 PinTheft: a Linux kernel local privilege escalation that chains an RDS zerocopy reference-count bug with iouring...

CVE-2026-93133

A flaw was found in the Linux kernel. In the riscvacpiaddprtdep function, the acpigethandle call can fail, leading to the linkhandle variable being uninitialized. This oversight could potentially lead to system instability or unexpected behavior...