CVE-2026-99191

In the Linux kernel, the following vulnerability has been resolved: calipso: keep BIG TCP payloadlen in calipsoskbuffsetattr calipsoskbuffsetattr adjusts payloadlen by the length of the option it inserts or resizes: payload = ntohsip6hdr-payloadlen; ip6hdr-payloadlen = htonspayload + lendelta; GR...

CVE-2026-23111

🐧 CVE-2026-23111 - Linux Kernel nftables Use-After-Free Vulnerability ⚠️ Use-After-Free in Linux Kernel nftables 📖 Overview CVE-2026-23111 is a high-severity Use-After-Free UAF vulnerability affecting the Linux kernel's netfilter/nftables subsystem. The flaw originates from incorrect handling of...

onetwoseven-writeup

HTB OneTwoSeven — Full Walkthrough A complete, end-to-end walkthrough of OneTwoSeven , a retired HackTheBox Linux machine. The full chain: deterministic credential generation → symlink escape of an SFTP chroot → vim swap file recovery → SSH port-forwarding to a firewalled admin panel → bypass of...

CVE-2022-1015

CVE-2022-1015 A write-up and Local Privilege Escalation Proof-of-Concept of an OOB read and write vulnerability in the Linux Kernel. You can find the write-up of this vulnerability on my blog and you can find my introduction to nftables here as well. An Important note The exploit provided in this...

CVE-2024-1086

CVE-2024-1086 Universal local privilege escalation Proof-of-Concept exploit for CVE-2024-1086, working on most Linux kernels between v5.14 and v6.6, including Debian, Ubuntu, and KernelCTF. The success rate is 99.4% in KernelCTF images...

POC-CVE-2023-32233

Use-After-Free in Netfilter nftables when processing batch requests Demo Vulnerability Details The affected code originates from the official Linux kernel from https://kernel.org/ and is part of the Netfilter nftables component net/netfilter/nftablesapi.c. Netfilter nftables allows to update its...

cve-2024-1086-writeup

CVE-2024-1086 Root Cause & Exploitation Target kernels: Linux 6.8 netfilter nftables Novel angle: Logic confusion in nftverdictinit causes refcount double-free, exploitable via heap spray to arbitrary memory write. Table of Contents 1. Background — netfilter / nftables overview 2. Root Cause...

CVE-2023-32233

Building And Configuring The instructions below were tested under Ubuntu 23.04 Lunar Lobster. Installing Build Dependencies Run the following command to install the build dependencies: sudo apt install gcc libmnl-dev libnftnl-dev Building Binary Run the following command to build the PoC binary:...

2022-LPE-UAF

2022-LPE-UAF Untested POC code Security researchers discovered 3 vulnerabilities in the Linux kernel that could allow a local attacker to elevate privileges and potentially execute malicious code. The proof-of-concept code is publicly available increasing the likelihood of exploitation in the wil...

CVE-2026-23111-nftables-lab

CVE-2026-23111 nftables LPE: exposure check and safe lab Defensive tooling and a reproducible virtual-machine lab for CVE-2026-23111, the nftables use-after-free local privilege escalation in the Linux kernel an inverted element-activity check in nftmapcatchallactivate, the "off by !" bug. An...

CVE-2022-1015

CVE-2022-1015 This repository contains a PoC for local privilege escalation of CVE-2022-1015, a bug in the nftables component of the linux kernel that I found. You can read a detailed analysis of this vulnerability and the exploitation strategy over at my blog. Right now, the exploit is a bit...

cve-2024-1086-lpe

cve-2024-1086-lpe Technical analysis and proof-of-concept for CVE-2024-1086, a Linux kernel nftables use-after-free vulnerability leading to local privilege escalation. Includes vulnerability breakdown, affected versions, exploitation methodology, and mitigation guidance for research and...

CVE-2026-23111

CVE-2026-23111 Auditor Linux Kernel nftables UAF This repository contains an automated audit script in Bash designed to deeply and accurately evaluate the CVE-2026-23111 vulnerability in Linux environments. 🔍 What is the CVE-2026-23111 vulnerability? CVE-2026-23111 is a Use-After-Free UAF...

2022-LPE-UAF

2022-LPE-UAF Untested POC code Security researchers discovered 3 vulnerabilities in the Linux kernel that could allow a local attacker to elevate privileges and potentially execute malicious code. The proof-of-concept code is publicly available increasing the likelihood of exploitation in the wil...

gemini-2.5-pro-nf-tables-red-teaming

Gemini 2.5 Pro nftables Red Teaming Case Study CVE-2023-32233 LLM Safety Research | Responsible Disclosure | AI Alignment Evaluation Researcher : Niranj R Mahaswar Destawell Google AI Vulnerability Reward Program : 889286 — Out of Scope Summary This repository documents a comparative LLM red...

CVE-2022-32250-LPE

CVE-2022-32250-LPE LPE exploit for CVE-2022-32250 - a Use-After-Free vulnerability in netfilter. My write-up of the vulnerability: Conquering a Use-After-Free in nftables: Detailed Analysis and Exploitation of CVE-2022-32250 Building Building requires libmnl and libnftnl. gcc -lmnl -lnftnl...

CVE-2024-1086

CVE-2024-1086 Universal local privilege escalation Proof-of-Concept exploit for CVE-2024-1086, working on most Linux kernels between v5.14 and v6.6, including Debian, Ubuntu, and KernelCTF. The success rate is 99.4% in KernelCTF images. Affected versions The exploit affects versions from includin...

CVE-2026-23111

CVE-2026-23111 PoC Linux Kernel nftables Use-After-Free Local Privilege Escalation poc by baba01hacker Vulnerability Summary CVE : CVE-2026-23111 Type : Use-After-Free CWE-416 CVSS : 7.8 HIGH Component : net/netfilter/nftablesapi.c — nftmapcatchallactivate Root Cause : Inverted genmask check caus...

gemini-2.5-pro-nf-tables-red-teamin

gemini-2.5-pro-nf-tables-red-teamin A technical case study and timeline dataset documenting Google Gemini 2.5 Pro's safety alignment policies, guardrails, and refusal behavior evolution regarding legacy Linux kernel vulnerability primitives CVE-2023-32233. Link to case study website :...

CVE-2026-23111-POC-noddlenpottato

CVE-2026-23111 — noddlenpottato nftables catchall UAF → unprivileged LPE. user to root on most 5.10—6.18 linux kernels. auto-adapts to the target kernel — detects struct offsets, resolves symbols, finds ROP gadgets, determines slab cache, generates tailored exploit, compiles and runs. nftables...