CVE-2025-21756

CVE-2025-21756 — Exploitation Lab For educational and authorized security research purposes only. Description CVE-2025-21756 is a use-after-free UAF vulnerability in the Linux kernel's vsock Virtual Socket subsystem, disclosed on February 26, 2025. It allows a local attacker to escalate privilege...

CVE-2023-32629

CVE-2023-32629 — OverlayFS Local Full Privilege Escalation OverlayFS Local Privilege Escalation - Full write-up to full escalation For educational and authorized security research purposes only. Severity: High Type: Local Privilege Escalation LPE Affected: Ubuntu kernels prior to May/June 2023...

CVE-2026-31402

🛡️ CVE-2026-31402 – NFSv4 LOCK Replay Cache Heap Overflow CVE-2026-31402: Linux NFS Bug Hidden for 23 Years 📌 Overview CVE-2026-31402 is a heap overflow vulnerability in the NFSv4.0 LOCK replay cache of the Linux kernel. It arises due to improper handling of responses larger than the fixed buffer...

LInux-Kernel-InfoLeak-6.12.-Leveraged-to-do-cross-container-info-leak.-

LInux-Kernel-InfoLeak-6.12.-Leveraged-to-do-cross-container-info-leak.- POC shows how to leak postgresql stuff cause hugefile sub-system. Based on https://x.com/spendergrsec/status/1993794163880718700?s=20...

CVE-2022-0847

CVE-2022-0847 - Dirty Pipe Exploit A proof-of-concept exploit for CVE-2022-0847 Dirty Pipe, a Linux kernel vulnerability that allows unprivileged users to write to read-only files. Vulnerability Details CVE-2022-0847 affects Linux kernels 5.8 through 5.16. It exploits a race condition in the Linu...

SG-2026-0024

Dirty Frag primitive-only PoC Readable N4C demonstrator for CVE-2026-43284 XFRM/ESP and CVE-2026-43500 RxRPC/RXKAD. The PoC answers one question: can an unprivileged process change the page cache of a root-owned, read-only file through a sharedskbuff fragment? It does not overwrite /usr/bin/su or...

CVE-2026-74586

CVE-2026-74586 — SCTP ASCONF newtransport use-after-free trigger A self-contained, unprivileged PoC for CVE-2026-74586, a use-after-free in the Linux kernel's SCTP ASCONF dynamic address reconfiguration handling. Credit for the bug itself goes to Qing Ming, who reported it upstream; the fix is...

Copy-Fail-CVE-2026-31431-Kubernetes-PoC

Copy Fail CVE-2026-31431 — Kubernetes Container Escape PoC A proof-of-concept demonstrating how a fully unprivileged container can achieve node-level code execution on Kubernetes by exploiting the CVE-2026-31431 Linux kernel page-cache corruption bug through shared container image layers...

CVE-2016-5195

This record is for learning purposes only; any illegal use is prohibited. Principle The vulnerability works by concurrently flushing dirty pages, causing the content of a file that was originally read-only to be modified. If the modified file is owned by root and has the SUID permission, it can b...

cve-2026-31431

CVE-2026-31431 Copy Fail Toolkit This repository contains detectors and a PoC for the Linux algifaead / authencesn page-cache scratch-write vulnerability CVE-2026-31431. Disclosure article: https://xint.io/blog/copy-fail-linux-distributions Authorization Notice Only use this on hosts you own or...

CVE-2026-31431-Checker-Mitigator

CVE-2026-31431 Checker & Mitigator A simple, safe vulnerability scanner and mitigation tool for CVE-2026-31431 aka "Copy Fail", a local privilege escalation vulnerability in the Linux kernel's AFALG cryptographic interface. Note - It is fully vibe coded Script About the Vulnerability CVE :...

cve-2026-31431

CVE-2026-31431 — "Copy Fail": Linux Kernel algifaead Local Privilege Escalation CISA KEV | CVSS 7.8 HIGH | Affects Linux kernels 4.14 – early 2026 9 years Table of Contents 1. Executive Summary 2. Risk Assessment 3. Technical Deep Dive 4. Attack Methodology — Red Team 5. Detection & Incident...

CVE-2026-31431_CopyFail_LinuxKernel_LPE

CVE-2026-31431 — Copy Fail Linux Kernel LPE Educational rewrite of the Theori/Xint proof-of-concept for CVE-2026-31431, a local privilege escalation vulnerability in the Linux kernel's algifaead crypto socket interface. Affects every mainline kernel from 4.14 July 2017 through 6.18.21, and the 6....

copyfail-exploit

Copy Fail · CVE-2026-31431 Escalatazione locale dei privilegi sui kernel Linux dalla versione 4.11 fino alle release 6.18 corrette escluse. Il bug risiede nell'interfaccia socket AFALG del kernel—in particolare nel modo in cui authencesn gestisce le liste scatter-gather durante la decrittazione...

CVE-2026-31431

CVE-2026-31431 — Copy Fail Local Privilege Escalation in the Linux kernel's authencesn cryptographic template via AFALG + splice. Disclosed April 29, 2026 by Theori Xint Code. Overview Field| Detail ---|--- CVE| CVE-2026-31431 Nickname| Copy Fail CVSS| 7.8 HIGH Type| Local Privilege Escalation LP...

CVE-2026-31431

Copy Fail - CVE-2026-31431 This repository contains a small Linux local privilege escalation PoC for CVE-2026-31431, also known as "Copy Fail". The exploit targets the Linux kernel algifaead path in the AFALG userspace crypto API. It uses AFALG plus splice to coerce the kernel into writing into t...

copy-fail

CopyFail Mitigation CVE-2026-31431 - Multi-Distribution Guide This repository contains detailed tutorials and scripts to mitigate the CopyFail vulnerability CVE-2026-31431. This flaw affects the Linux Kernel cryptography subsystem AFALG and allows local privilege escalation LPE from a regular use...

CVE-2026-31431-Check

CVE-2026-31431 Copy Fail Vulnerability Check Script Vulnerability Overview CVE-2026-31431 Copy Fail is a Linux kernel local privilege escalation vulnerability that exploits AFALG sockets address family 38 combined with the splice zero-copy system call to bypass file write permissions and tamper...

Paranoid-Dirty-Frag-CVE-2026-43284

Dirty Frag mitigation script This script: 1. Blocks vulnerable kernel modules from loading 2. Unloads them if currently active 3. Verifies mitigation status WARNING: Disables Linux IPsec ESP support esp4/esp6 and RxRPC support. This may break: - strongSwan - libreswan - some enterprise VPNs -...

copyfail-arm64

Copy Fail ARM64 Research CVE-2026-31431 Analysis and ARM64 reproduction of the Copy Fail Linux kernel privilege escalation vulnerability CVE-2026-31431, originally disclosed by Xint. Blog post: Copy Fail on ARM64: Understanding and Porting CVE-2026-31431 What's Included File| Description ---|---...