copy_fail

copyfail Research Notes CVE-2026-31431 English 简体中文 This repository is a defensive research workspace for studying the Linux copyfail vulnerability tracked as CVE-2026-31431. The goal of this repository is to preserve analysis notes, document impact, and support safe local assessment. It is not...

copy-fail-cve-2026-31431-linux-kernel-page-cache-lpe

Copy Fail CVE-2026-31431 - Vulnerability Checker Conceptual validation script for CVE-2026-31431 "Copy Fail" — a Linux kernel local privilege escalation via algifaead page-cache write. Vulnerability CVE-2026-31431 is a logic bug in the Linux kernel's authencesn AEAD template. When combined with...

kernel-exploits

Linux kernel exploits Date| Link| Description| Vector| Impact ---|---|---|---|--- 02.2016| CVE-2016-2384| Double-free in USB MIDI driver| USB + Local| LPE 03.2016| prefetch-side-channel| KASLR bypass via prefetch| Local| Info-leak 12.2016| CVE-2016-9793| Signedness issue with socket buffers| Loca...

secureCodingDemo

secureCodingDemo fall2022 secure coding CVE-2019-13272 : Linux Kernel Improper Privilege Management Vulnerability Georgette Kendall CSEC 302 Monday, November 14, 2022 Links included in the .txt file...

CVE-2024-21345

Usage - python3 CVE-2024-21345.py All kernel is exploitable Get root access easily...

Reporte-de-Escalada-de-Privilegios-Local-Dirty-Frag

Local Privilege Escalation Report — Dirty Frag Student: Jonatan Claudio 1. Requirements Methodology Summary A vulnerability assessment was performed on a virtual machine running Kali Linux using a detection script for the Dirty Frag vulnerability, associated with the following CVEs: CVE-2026-4328...

cve-2017-11176

cve-2017-11176 Local Privilege Escalation develope on ubuntu 4.4.0-62 kernel about My first try to code my own LPE exploit. developement line c2bbad5f471ef2b112f343fde1f4e7ff94fe28d1 triger kernel uaf d2872d5c0d642e20c807a960f99d9533dde5d809 now,we can use another thread to unblock main thread...

CVE-2026-90274

A flaw was found in the Linux kernel's CoreSight ETM4 Embedded Trace Macrocell driver. A local user could cause a denial of service DoS by triggering an integer underflow during the initialization or configuration of trace sequence event registers. When trace sequence states are not implemented b...

CVE-2026-98395

A flaw was found in the Linux kernel's PowerPC architecture. This flaw allows a local user to cause a Denial of Service DoS and system instability. When processing replayed interrupts, the kernel improperly updates its internal interrupt mask, stripping critical status flags and leading to...

CVE-2026-90135

A flaw was found in the Linux kernel. A local user attempting to read from /sys/kernel/debug/reftracker/ could trigger a use-after-free vulnerability. This occurs due to a missing exit function call in allocnetdevmqs when certain memory allocation or device initialization operations fail...

poc-CVE-2025-38352

🚀 poc-CVE-2025-38352 - Easy Download for a Security Tool 📥 Download Now 📖 Overview This application is a proof of concept for CVE-2025-38352. It demonstrates a vulnerability in the Linux kernel's POSIX CPU timers implementation. The September 2025 Android Bulletin notes that this vulnerability ha...

CVE-2026-93196

A flaw was found in the Linux kernel's virtiopmem module. This use-after-free vulnerability occurs due to incorrect management of memory requests. When a request is prematurely freed while still being referenced, a subsequent attempt to access it can lead to memory corruption. This could allow a...

CVE-2026-99999

In the Linux kernel, the following vulnerability has been resolved: ipv4: validate checksumstart before completing checksum If a packet with bad checksum metadata gets into the ipv4 stack, skbchecksumhelp can corrupt the network header and cause a bunch of mischief. This was discovered and report...

io_uring_LPE-CVE-2023-2598

iouringLPE-CVE-2023-2598 LPE exploit for CVE-2023-2598. My write-up of the vulnerability: Conquering the memory through iouring - Analysis of CVE-2023-2598 You can compile the exploit with gcc exploit.c -luring -o exploit Disclaimer For educational and research purposes only. Use at your own risk...

CVE-2022-0847

CVE-2022-0847 Vulnerability in the Linux kernel since 5.8 which allows overwriting data in arbitrary read-only files. This leads to privilege escalation because unprivileged processes can inject code into root processes. To compile: gcc poc.c -o poc Usage: ./poc TARGETFILE OFFSET DATA Author and...

CVE-2022-1011

CVE-2022-1011 Fix link: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit?id=0c4bcfdecb1ac0967619ee7ff44871d93c08c909 This vulnerability is mainly due to the asynchronous nature of splice, which allows the user-mode filesystem process server side to retain a piece of memor...

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...

Linux-Kernel-Vulnerabilities-CVE-2026-23111

Linux Environment Audit Tool: CVE-2026-23111 This is a lightweight terminal-based script to find out if you are vulnerable to this attack or not. As I have heard at least one of my friends on Discord who uses Zorin OS happened to encounter this type of attack. As for now, security patches is not...

Detection-Tool-Kit-for-CVE-2026-31431

copyfail-detect Detection toolkit for CVE-2026-31431 "Copy Fail", a Linux kernel local privilege escalation technique that corrupts page-cache data without changing the file on disk. Why This Exists Copy Fail can bypass traditional file integrity monitoring because the on-disk file is not modifie...

SMB-LINUX-CVE-2025-37899

Use-After-Free Vulnerability in Linux Kernel's ksmbd CVE-2025-37899 Description A use-after-free vulnerability has been discovered in the ksmbd module of the Linux kernel, responsible for implementing the SMB Server Message Block protocol for network file sharing. This vulnerability, identified a...