seccomp-tools

Seccomp Tools Powerful tools for seccomp analysis. This project is aimed primarily but not exclusively at analyzing seccomp sandboxes in CTF pwn challenges. Some features are CTF-specific, but they're just as useful for analyzing real-world seccomp filters. Features Dump - Automatically dumps...

docker_escape_pwn

Escape from Docker using CVE-2017-1000112 and CVE-2017-18344. Including: gaining root privilage get all capbilities namespace recovery filesystem recovery cgroup limitation bypass seccomp bypass...

Z-Jail

Z-Jail Multi-layer sandbox for native code execution on Linux. Seven independent defence layers — no external dependencies, 73 KiB PIE binary. root@kitploit: ┌──────────────────────────────────────────────────────┐ │ Z-Jail │ ├──────────────────────────────────────────────────────┤ │ Truthimatics...

kafel

WHAT IS IT? Kafel is a language and library for specifying syscall filtering policies. The policies are compiled into BPF code that can be used with seccomp-filter. This is NOT an official Google product. Usage With verbose error reporting root@kitploit: struct sockfprog prog; kafelctxtt ctxt =...

Hulios

Hulios Hardened Universal Linux Invisibility and Onion System Hulios is an eBPF-powered, transparent Tor VPN gateway for Linux. It secures outbound network traffic by redirecting TCP sockets and DNS queries through an embedded Arti Tor client instance and a localized Hickory-based DNS resolver. B...

firejail

Firejail Firejail 是一款轻量级安全工具，旨在通过设置受限环境来运行（可能不受信任的）应用程序，从而保护 Linux 系统。 具体来说，它是一个 SUID 沙箱程序，通过使用 Linux 命名空间（namespaces）、seccomp-bpf 和 Linux capabilities 来降低发生安全破坏的风险。它允许一个进程及其所有子进程拥有对全局共享内核资源（如网络栈、进程表和挂载表）的私有视图。Firejail 可以在 SELinux 或 AppArmor 环境中运行，并且已与 Linux 控制组（Control Groups）集成。 该软件使用 C...

seccomp-tools

Seccomp Tools seccomp 解析のための強力なツール群です。 このプロジェクトは主に（ただし排他的ではなく）CTF pwn チャレンジにおける seccomp サンドボックスの解析を目的としています。 一部の機能は CTF 特有のものですが、実世界の seccomp フィルタの解析にも同様に役立ちます。 機能 Dump - 実行ファイルから seccomp BPF を自動的にダンプします。 Disasm - seccomp BPF を人間が読みやすい形式に変換します。 簡易的な逆コンパイルに対応。 可能な限りシステムコール名と引数を表示。 カラフル！ Asm -...

container-cve-2021-22555

Reproducer for CVE-2021-22555 as a container First, this rolls in the exploit code from here as a handy pre-built container: https://github.com/google/security-research/tree/master/pocs/linux/cve-2021-22555 Pre-built container: quay.io/cgwalters/cve-2021-22555 Mitigation: seccomp profiles A stron...

cve-2022-0185-crash-poc

Container running cve-2022-0185 crash POC This is a docker container that runs the crash POC from https://www.willsroot.io/2022/01/cve-2022-0185.html. The container runs unprivileged as UID 65534. You can also use docker run -u or set a security context with RunAsUser additionally, all should yie...

cargo-fuzz

cargo fuzz Acargo subcommand for fuzzing with libFuzzer! Easy to use! Installation root@kitploit: $ cargo install cargo-fuzz Note: libFuzzer needs LLVM sanitizer support, so this only works on x86-64 and Aarch64, and only on Unix-like operating systems not Windows. This also needs a nightly...

CVE-2026-89603

In the Linux kernel, the following vulnerability has been resolved: entry: Fix seccomp bypass after ptrace with TSYNC Sashiko review pointed out the following issue. If a thread is stopped in syscalltraceenter for ptrace, another thread can install a seccomp filter with SECCOMPFILTERFLAGTSYNC e.g...

Linux Distros Unpatched Vulnerability : CVE-2026-89603

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - entry: Fix seccomp bypass after ptrace with TSYNC Sashiko review pointed out the following issue. If a thread is stopped in syscalltraceenter for ptrace, anothe...

CVE-2026-89603

A flaw was found in the Linux kernel. A race condition exists where a seccomp filter, intended to restrict system calls, can be bypassed by an unprivileged process. This occurs when a thread is stopped for tracing ptrace and another thread attempts to apply a seccomp filter with the...

AZL-100500 CVE-2026-89603 affecting package kernel 6.6.150.1-1

In the Linux kernel, the following vulnerability has been resolved: entry: Fix seccomp bypass after ptrace with TSYNC Sashiko review pointed out the following issue. If a thread is stopped in syscalltraceenter for ptrace, another thread can install a seccomp filter with SECCOMPFILTERFLAGTSYNC e.g...

DEBIAN-CVE-2026-89603

In the Linux kernel, the following vulnerability has been resolved: entry: Fix seccomp bypass after ptrace with TSYNC Sashiko review pointed out the following issue. If a thread is stopped in syscalltraceenter for ptrace, another thread can install a seccomp filter with SECCOMPFILTERFLAGTSYNC e.g...

CVE-2026-89603

In the Linux kernel, the following vulnerability has been resolved: entry: Fix seccomp bypass after ptrace with TSYNC Sashiko review pointed out the following issue. If a thread is stopped in syscalltraceenter for ptrace, another thread can install a seccomp filter with SECCOMPFILTERFLAGTSYNC e.g...

CVE-2026-89603

CVE-2026-89603 is a race condition in the Linux kernel's syscall_trace_enter() that allows seccomp filter bypass via ptrace. When a thread is stopped for ptrace, another thread can install a seccomp filter with SECCOMP_FILTER_FLAG_TSYNC; however, syscall_trace_enter() evaluates a cached 'work' va...

EUVD-2026-76515

In the Linux kernel, the following vulnerability has been resolved: entry: Fix seccomp bypass after ptrace with TSYNC Sashiko review pointed out the following issue. If a thread is stopped in syscalltraceenter for ptrace, another thread can install a seccomp filter with SECCOMPFILTERFLAGTSYNC e.g...

CVE-2026-89603 entry: Fix seccomp bypass after ptrace with TSYNC

In the Linux kernel, the following vulnerability has been resolved: entry: Fix seccomp bypass after ptrace with TSYNC Sashiko review pointed out the following issue. If a thread is stopped in syscalltraceenter for ptrace, another thread can install a seccomp filter with SECCOMPFILTERFLAGTSYNC e.g...

CVE-2026-89603 entry: Fix seccomp bypass after ptrace with TSYNC

In the Linux kernel, the following vulnerability has been resolved: entry: Fix seccomp bypass after ptrace with TSYNC Sashiko review pointed out the following issue. If a thread is stopped in syscalltraceenter for ptrace, another thread can install a seccomp filter with SECCOMPFILTERFLAGTSYNC e.g...