ipv6_frag_escape

IPV6FRAGESCAPE A reliable unprivileged container / jail escape proof of concept for CentOS / RHEL 10. It rides a now fixed IPv6 fragmentation bug in ip6appenddata closed upstream by 38becddc, no CVE, an in-slab linear overflow into the skbsharedinfo at the tail of a packet's own head object. This...

CVE-2022-2588

CVE-2022-2588 The fix The bug is fixed in Linux v5.19 by this commit. The bug The bug was introduced in Linux v3.17 by this commit back to 2014. It requires User Namespaces to trigger. This bug is very similar to CVE-2021-3715, which was caused by improper operation on the route4filter's linked...

docker_cve-2015-2925

Docker + CVE-2015-2925 = escaping from --volume Recent vulnerability in Linux known for about half of the year several months publicly made it possible to escape from bind mounts. In particular in case of Docker it's possible to escape from inside the directory mounted via --volume option to the...

CVE-2024-1086

CVE-2024-1086 Universal local privilege escalation Proof-of-Concept exploit for CVE-2024-1086, working on most Linux kernels between v5.14 and v6.6, including Debian, Ubuntu, and KernelCTF. The success rate is 99.4% in KernelCTF images...

DirtyClone

DirtyClone CVE-2026-43503 - Python PoC Non-official Python port of DirtyClone — a Linux kernel local privilege escalation vulnerability. This repository contains a working Proof of Concept that allows an unprivileged local user to gain root privileges by exploiting page-cache corruption via clone...

sysbox

Introduction Sysbox is an open-source and free container runtime a specialized "runc", originally developed by Nestybox acquired by Dockerdocker-acquisition on 05/2022, that enhances containers in two key ways: Improves container isolation: Linux user-namespace on all containers i.e., root user i...

EUVD-2026-108771

In the Linux kernel, the following vulnerability has been resolved: namespace: handle mount locking for automounts correctly If mounts are propagated across user namespaces, attachrecursivemnt locks every copy of the source mount to protect overmounts from vanishing and revealing the underlying...

CVE-2022-1972-infoleak-PoC

CVE-2022-1972 infoleak PoC Infoleak exploit for the CVE-2022-1972. You can find the associated write-up on our blog Requirements The user namespaces must be available for unprivileged users. $ sysctl kernel.unprivilegedusernsclone kernel.unprivilegedusernsclone = 1 Build make...

CVE-2022-36946

CVE-2022-36946 Reported-by: Domingo Dirutigliano and Nicola Guerrera While we were working on firegex, our application firewall for CTF Attack-Defence competitions, we stumbled upon a few kernel panics. This strange behavour was than isolated and anlayzed, leading to the discovery of this potenti...

OverlayFS---CVE-2021-3493

TL;DR Find out how a vulnerability in OverlayFS allows local users under Ubuntu to gain root privileges. Vulnerability Summary An Ubuntu specific issue in the overlayfs file system in the Linux kernel where it did not properly validate the application of file system capabilities with respect to...

CVE-2021-3493

CVE-2021-3493 Ubuntu OverlayFS Local Privesc Description "Ubuntu specific issue in the overlayfs file system in the Linux kernel where it did not properly validate the application of file system capabilities with respect to user namespaces. A local attacker could use this to gain elevated...

CVE-2026-46243

🚨 CVE-2026-46243 - CIFSwitch Linux Kernel Local Privilege Escalation LPE Local Privilege Escalation vulnerability affecting the Linux Kernel CIFS/SMB client. 📖 Overview CVE-2026-46243 is a Local Privilege Escalation LPE vulnerability within the Linux Kernel's CIFS/SMB client. Improper validation ...

CVE-2021-3493

CVE-2021-3493 Ubuntu OverlayFS Local Privesc Affected Versions Ubuntu 20.10 Ubuntu 20.04 LTS Ubuntu 19.04 Ubuntu 18.04 LTS Ubuntu 16.04 LTS Ubuntu 14.04 ESM Usage gcc exploit.c -o exploit ./exploit Description "Ubuntu specific issue in the overlayfs file system in the Linux kernel where it did no...

CVE-2022-2588

CVE-2022-2588 The fix The bug is fixed in Linux v5.19 by this commit. The bug The bug was introduced in Linux v3.17 by this commit back to 2014. It requires User Namespaces to trigger. This bug is very similar to CVE-2021-3715, which was caused by improper operation on the route4filter's linked...

check-cve-2026-23111

CVE-2026-23111 Defensive Validation Script Overview CVE-2026-23111 is a Linux kernel vulnerability in nftables that can be exploited for local privilege escalation by an unprivileged user on systems where user namespaces and nftables are available.12 Public vendor and government advisories descri...

CVE-2024-1086

CVE-2024-1086 Universal local privilege escalation Proof-of-Concept exploit for CVE-2024-1086, working on most Linux kernels between v5.14 and v6.6, including Debian, Ubuntu, and KernelCTF. The success rate is 99.4% in KernelCTF images...

tools-for-CVE-2018-1000001

Tools for CVE-2018-1000001 Check vulnerability: $ cat /proc/sys/kernel/unprivilegedusernsclone Output: 1 If file "/proc/sys/kernel/unprivilegedusernsclone" does not exists: $ unshare -mU /bin/sh -c "sleep 5" & /bin/sh -c "sleep 1; cd /proc/$!/cwd; realpath .; kill -9 $!" The output must contain t...

CVE-2021-3493

CVE-2021-3493 Ubuntu OverlayFS Local Privesc Affected Versions Ubuntu 20.10 Ubuntu 20.04 LTS Ubuntu 19.04 Ubuntu 18.04 LTS Ubuntu 16.04 LTS Ubuntu 14.04 ESM Usage gcc exploit.c -o exploit ./exploit Description "Ubuntu specific issue in the overlayfs file system in the Linux kernel where it did no...

CVE-2024-1086

CVE-2024-1086 Universal local privilege escalation Proof-of-Concept exploit for CVE-2024-1086, working on most Linux kernels between v5.14 and v6.6, including Debian, Ubuntu, and KernelCTF. The success rate is 99.4% in KernelCTF images...

CVE-2023-32629

CVE-2023-32629 — OverlayFS Local Full Privilege Escalation OverlayFS Local Privilege Escalation - Full write-up to full escalation For educational and authorized security research purposes only. Severity: High Type: Local Privilege Escalation LPE Affected: Ubuntu kernels prior to May/June 2023...