kernel-exploits

Kernel Exploits Various kernel exploits CVE-2021-22555 Linux local root exploit. Updated version of theflow's exploit for CVE-2021-22555. A heap out-of-bounds write affecting Linux since v2.6.19-rc1 was discovered in net/netfilter/xtables.c. This allows an attacker to gain privileges or cause a D...

foxcage

foxcage Run Firefox in a rootless Podman container for security isolation. Your browser runs with almost no Linux capabilities, in its own user and network namespace, isolated from the host — while still having full GPU acceleration, audio, and DRM support. Why foxcage? Firefox already has a...

OVSwrap

OVSwrap CVE-2026-64531 Writeup !WARNING The PoC is provided solely to help defenders, maintainers, and authorized security teams validate patches, mitigations, detections, and exposure on systems they own or are explicitly authorized to test. You are solely responsible for ensuring that your use ...

CVE-2024-56433

CVE-2024-56433 shadow-utils - Insecure default subordinate ID assignment for local users Summary The default subordinate ID assignment creates risk for collision with existing user ID's, creating potential for arbitrarily changing UID/GID and gaining unauthorized access to data and network...

CVE-2021-22555-Exploit

CVE-2021-22555-Exploit CVE-2021-22555 Exploit By Andy Nguyen INFO A heap out-of-bounds write affecting Linux since v2.6.19-rc1 was discovered in net/netfilter/xtables.c. This allows an attacker to gain privileges or cause a DoS via heap memory corruption through user name space 編譯 gcc -m32 -stati...

CVE-2023-0386

typora-copy-images-to: ./image CVE-2023-0386 Exploit Usage: First : Upload fuse.c and exp.sh to the /tmp directory. You can use scp or python3 -m http.server to upload the file to the target. scp /Desktop/CVE-2023-0386/exp.sh [email protected]:/tmp scp /Desktop/CVE-2023-0386/fuse.c...

CVE-2026-64531

CVE-2026-64531 — OVSwrap Linux kernel Open vSwitch module local privilege escalation normal user → root PoC. Exploits the integer wraparound of the 16-bit nlalen field to escalate from a normal user all the way to root. Vulnerability Summary When the nested action stream generated by OVS exceeds...

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...

CVE-2021-3493

CVE-2021-3493 — Ubuntu OverlayFS Local Privilege Escalation A working proof-of-concept for CVE-2021-3493 , a local privilege escalation vulnerability in the Ubuntu kernel's OverlayFS implementation. An unprivileged user can mount an overlay filesystem inside a user namespace and set arbitrary fil...

CVE-2015-1328

CVE-2015-1328 TryHackMe Walkthrough – Linux Kernel Privilege Escalation CVE-2015-1328 Objective The goal of this walkthrough was to escalate privileges from a low-privileged user karen to root by exploiting a vulnerable Linux kernel. Step 1 – Initial Enumeration After connecting to the target...

CVE-2022-1227_Exploit

CVE-2022-1227Exploit A script for exploiting CVE-2022-1227. Background Ubuntu 20.10 is recommanded. Podman TODO: add what is the principle of this vulnerability Install podman Follow the instruction in the official document: https://podman.io/getting-started/installationinstalling-on-linux For...

CVE-2019-5736-Custom-Runtime

CVE-2019-5736-Custom-Sandbox General CVE-2019-5736 implemented using a shallow, self-written container runtime to understand the exploit. Exploit is based on and almost all copied from the runc-poc by twistlock: https://github.com/twistlock/RunC-CVE-2019-5736/tree/master/maliciousimagePOC Contain...

Siemens SIMATIC S7-1500 TM MFP Improper Input Validation (CVE-2026-45842)

"In the Linux kernel, the following vulnerability has been resolved: slip: reject VJ receive packets on instances with no rstate array slhcinit accepts rslots == 0 as a valid configuration, with the documented meaning of 'no receive compression'. In that case the allocation loop in slhcinit is...

Siemens SIMATIC S7-1500 TM MFP Improper Input Validation (CVE-2026-46120)

In the Linux kernel, the following vulnerability has been resolved: ip6gre: Use cached t-net in ip6erspanchangelink. After commit 5e72ce3e3980 'net: ipv6: Use link netns in newlink of rtnllinkops', ip6erspannewlink correctly resolves the per-netns ip6gre hash via linknet. ip6erspanchangelink was...

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-2023-2640-CVE-2023-32629-Interactive-PoC

CVE-2023-2640 & CVE-2023-32629 GameOverLay - Real Host Root Escape PoC An interactive, multi-step Local Privilege Escalation LPE Proof of Concept PoC targeting the Ubuntu Linux kernel OverlayFS vulnerabilities CVE-2023-2640 / CVE-2023-32629. Unlike standard automated one-liners that trap your...

CVE-2024-1086

CVE-2024-1086 For learning purpose. Refer: https://pwning.tech/nftables/ https://github.com/Notselwyn/CVE-2024-1086 Kconfig: +CONFIGCONFIGFSFS=y +CONFIGSECURITYFS=y +CONFIGNFTABLES=y mnlcbrun: Operation not supported +CONFIGNETFILTERNETLINKGLUECT=y +CONFIGNETLINKDIAG=y +CONFIGNFTCT=y...

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

In the Linux kernel, the following vulnerabilities have been resolved: slip: Reject VJ receive packets on instances with no rstate array. slhcinit accepts rslots == 0 as a valid configuration, which means “no receive compression”. In this case, the allocation loop in slhcinit is skipped, so...

kernel: ip6: vti: Use ip6_tnl.net in vti6_changelink()

A flaw was found in the Linux kernel's IPv6 Virtual Tunnel Interface vti6 component. An unprivileged local user, particularly within a user namespace, could exploit a vulnerability related to incorrect network namespace handling during the movement of a vti6 tunnel. This issue can lead to a kerne...

CVE-2026-90074

A flaw was found in the Linux kernel's fqpie network scheduler. A local attacker with CAPNETADMIN capabilities in a user namespace could exploit this by configuring a network device with a specially crafted large Maximum Transmission Unit MTU value. This can lead to a signed integer overflow,...