kernel: ppp: require CAP_NET_ADMIN in target netns for unattached ioctls

A flaw was found in the Linux kernel's Point-to-Point Protocol PPP subsystem. A local unprivileged user can exploit this vulnerability by creating a new user namespace and bypassing authorization checks for unattached administrative input/output controls ioctls. This allows the user to perform...

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...

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-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-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-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-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-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...

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...

kernel: ppp: require CAP_NET_ADMIN in target netns for unattached ioctls

A flaw was found in the Linux kernel's Point-to-Point Protocol PPP subsystem. A local unprivileged user can exploit this vulnerability by creating a new user namespace and bypassing authorization checks for unattached administrative input/output controls ioctls. This allows the user to perform...

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-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-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...

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...

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-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...

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...

Astra Linux – vulnerability in linux-6.12, linux-6.18

In the Linux kernel, the following vulnerability has been resolved: binfmtmisc: do not leak the user namespace when the mount fails bmgettree takes a reference to the user namespace and passes it to gettreekeyed as the sget key. sgetfc then moves that reference into sb-sfsinfo and clears...

Astra Linux – vulnerability in linux-6.1

In the Linux kernel, the following vulnerability has been resolved: binfmtmisc: reject a flag character as the field delimiter The registration string starts with a user-specified delimiter that separates the individual fields. To ensure that field parsers terminate even on a truncated string,...

CVE-2026-98976

A flaw was found in the Linux kernel. This vulnerability allows information disclosure when filesystem mount locks are improperly handled during mount propagation. When a propagated mount is placed beneath a locked mount and subsequently removed, the covering mount is incorrectly left unlocked. A...