CVE-2026-43284

🚨 CVE-2026-43284 - Dirty Frag 🚨 Universal Linux Kernel Local Privilege Escalation 📋 Overview Dirty Frag also known as Copy Fail 2 is a high-impact local privilege escalation vulnerability in the Linux kernel. It allows an unprivileged local user to obtain root privileges on affected systems...

DirtyClone

DirtyClone DirtyClone is a diagnostic, proof-of-concept local privilege escalation tool written in C. It targets a kernel/XFRM-related exploit path described in the source as CVE-2026-43503 and is intended only for authorized security research in controlled environments. Overview This repository...

dirtyfrag

Dirty Frag: Universal Linux LPE Abstract This document describes the Dirty Frag vulnerability class, first discovered and reported by Hyunwoo Kim @v4bel, which can obtain root privileges on major Linux distributions by chaining the xfrm-ESP Page-Cache Write CVE-2026-43284 vulnerability and the...

copyfail2_electric_boogaloo_fix

copyfail2electricboogaloofix A temporary mitigation against copyfail variant copyfail2electricboogaloo - Unprivileged Linux LPE via xfrm ESP-in-UDP MSGSPLICEPAGES no-COW fast path. Page-cache write into any readable file. Overwrites a nologin line in /etc/passwd with sick::0:0:…:/:/bin/bash and s...

cve_2026_31431

CVE-2026-31431 "Copy Fail" Toolkit Detector and proof-of-concept LPE for the Linux algifaead / authencesn page-cache scratch-write bug disclosed 2026-04-29. Disclosure writeup: https://xint.io/blog/copy-fail-linux-distributions Authorization Use only on hosts you own or are explicitly engaged to...

Dirty-Frag-CVE-2026-43284

Dirty Frag CVE-2026-43284 and CVE-2026-43500 Exploit Reproduction and Detection Lab for a Linux kernel local privilege escalation chain. Status: VERIFIED. I completed the reproduction, the fileless verification, and the syscall-level detection in the lab kernel 6.18.9+kali-amd64. This document is...

CVE-2026-46300

🛡️ CVE-2026-46300 - Fragnesia A Clean & Deadly Page-Cache Attack Variant of the "Dirty Frag" family 📌 Overview CVE-2026-46300 Fragnesia is a high-severity logic flaw in the Linux kernel's socket buffer handling skbtrycoalesce within the XFRM/ESP-in-TCP subsystem espintcp ULP. An unprivileged local...

DIRTY-FRAG-Detection-with-Wazuh-4.14.4

DIRTY FRAG Detection with Wazuh 4.14.4 - CVE-2026-43284 / CVE-2026-43500 Detection engineering for the Dirty Frag kernel LPE - Ubuntu / RHEL / Debian / Amazon Linux What is Dirty Frag? CVE-2026-43284 / CVE-2026-43500 is a Linux kernel Local Privilege Escalation LPE that chains two independent...

CVE-2026-43284-DirtyFrag-PoC

CVE-2026-43284 — 4-byte XFRM/ESP Proof-of-concept local privilege escalation via XFRM/ESP page-cache corruption 4-byte write primitive · 48 iterations · 192-byte ELF overwrite · unprivileged user + netns Proof of concept Left: kernel preflight, setuid scan, and exploit chain · Right: root shell...

CVE-2026-43284

Dirty Frag: Universal Linux LPE Abstract This document explains the Dirty Frag vulnerability class, discovered and reported by Hyunwoo Kim @v4bel. By chaining xfrm-ESP Page-Cache Write CVE-2026-43284 with RxRPC Page-Cache Write CVE-2026-43500, an attacker can escalate to root on major Linux...

dirty_frag_mitigation

dirtyfragmitigation 1. A bash script for mitigating linux dirty frag exploit CVE-2026-43500 2. Works on all Debian/Ubuntu Arch based platforms i.e. Kali, ParrotSec, BlackArch 3. Added --check to run as non-root user. Added fragnesia support as it shares the same patch surface with dirtyfrag...

CVE-2017-7184

CVE-2017-7184 – Linux Kernel XFRM Privilege Escalation No Sudo Overview This repository contains a proof-of-concept local privilege escalation exploit for CVE-2017-7184 , a Linux kernel vulnerability in the XFRM IPsec netlink subsystem. The exploit demonstrates how an unprivileged user can gain...

SUSE CVE-2026-80846

In the Linux kernel, the following vulnerability has been resolved: xfrm: drop ESP-in-TCP packets with no ingress device ESP-in-TCP receives records through the TCP strparser. handleesp restores skb-dev from the saved skbiif before passing the packet into the XFRM input path. Queued TCP data can ...

SUSE CVE-2026-80848

In the Linux kernel, the following vulnerability has been resolved: xfrm: espintcp: fix UAF during close ZDI reported and analyzed a race condition during close for espintcp sockets: espintcpclose frees emsg-skb via kfreeskb without holding any socket lock. Concurrently, the xfrmtransreinject wor...

CVE-2026-46300_Fragnesia

🧨 Fragnesia — CVE-2026-46300 Linux 内核 LPE 审计与 Exploit 工具包 · Page-Cache / XFRM ESP-in-TCP（espintcp）回归 交互式审计 → 检测 LPE 前置条件 → 自动执行 exploit（经确认后） ⚠️ 道德与法律警告 本工具仅用于合法且经授权的安全测试 ——合约渗透测试、实验/CTF，或自有资产。未经系统所有者许可使用即属犯罪行为（UU ITE、Computer Fraud and Abuse Act 等）。使用者承担全部责任。 📖 漏洞概述 CVE-2026-46300 是 Linux 内核中的一个...

AZL-99564 CVE-2026-80848 affecting package kernel 6.6.150.1-1

In the Linux kernel, the following vulnerability has been resolved: xfrm: espintcp: fix UAF during close ZDI reported and analyzed a race condition during close for espintcp sockets: espintcpclose frees emsg-skb via kfreeskb without holding any socket lock. Concurrently, the xfrmtransreinject wor...

AZL-99411 CVE-2026-80844 affecting package kernel 6.6.150.1-1

In the Linux kernel, the following vulnerability has been resolved: xfrm: ah6: validate routing header segmentsleft AH6 rearranges routing-header addresses before computing or verifying the ICV. ipv6rearrangerthdr assumes that segmentsleft is not larger than the number of addresses described by t...

AZL-99431 CVE-2026-80846 affecting package kernel 6.6.150.1-1

In the Linux kernel, the following vulnerability has been resolved: xfrm: drop ESP-in-TCP packets with no ingress device ESP-in-TCP receives records through the TCP strparser. handleesp restores skb-dev from the saved skbiif before passing the packet into the XFRM input path. Queued TCP data can ...

AZL-99422 CVE-2026-80843 affecting package kernel 6.6.150.1-1

In the Linux kernel, the following vulnerability has been resolved: xfrm: fix xfrmstateconstruct auth-trunc leak attachauthtrunc can allocate x-aalg while leaving x-props.aalgo at zero when the selected auth algorithm has no sadbalgid. One real case is cmacaes. xfrmstateconstruct then treats...

CVE-2026-80848

In the Linux kernel, the following vulnerability has been resolved: xfrm: espintcp: fix UAF during close ZDI reported and analyzed a race condition during close for espintcp sockets: espintcpclose frees emsg-skb via kfreeskb without holding any socket lock. Concurrently, the xfrmtransreinject wor...