CVE-2025-6018-6019-PoC

CVE-2025-6018 & CVE-2025-6019: Local Privilege Escalation PoC A robust Proof of Concept PoC for chaining CVE-2025-6018 PAM/Polkit Active Session Bypass and CVE-2025-6019 libblockdev SUID Mount Flaw to achieve root access on vulnerable Linux systems. Disclaimer This tool is for educational purpose...

EulerOS Virtualization 2.11.0 : util-linux (EulerOS-SA-2026-3567)

According to the versions of the util-linux packages installed, the EulerOS Virtualization installation on the remote host is affected by the following vulnerabilities : A flaw was found in util-linux. This vulnerability allows a heap buffer overread when processing 256-byte usernames, specifical...

SUSE CVE-2026-78410

A flaw was found in util-linux. Restricted bind mounts take the source path from fstab but do not pin that source before the privileged mount. A local unprivileged user who can replace the authorized source or a writable ancestor can redirect SUID mount8 to bind another host directory. If the fst...

AZL-99390 CVE-2026-78410 affecting package util-linux for versions less than 2.40.2-6

A flaw was found in util-linux. Restricted bind mounts take the source path from fstab but do not pin that source before the privileged mount. A local unprivileged user who can replace the authorized source or a writable ancestor can redirect SUID mount8 to bind another host directory. If the fst...

CVE-2026-78410

A flaw was found in util-linux. Restricted bind mounts take the source path from fstab but do not pin that source before the privileged mount. A local unprivileged user who can replace the authorized source or a writable ancestor can redirect SUID mount8 to bind another host directory. If the fst...

UBUNTU-CVE-2026-78410

A flaw was found in util-linux. Restricted bind mounts take the source path from fstab but do not pin that source before the privileged mount. A local unprivileged user who can replace the authorized source or a writable ancestor can redirect SUID mount8 to bind another host directory. If the fst...

EUVD-2026-70106

A flaw was found in util-linux. Restricted bind mounts take the source path from fstab but do not pin that source before the privileged mount. A local unprivileged user who can replace the authorized source or a writable ancestor can redirect SUID mount8 to bind another host directory. If the fst...

CVE-2026-78410 Util-linux: util-linux: restricted bind mounts do not pin the source, allowing x-mount.owner/group/mode redirection

A flaw was found in util-linux. Restricted bind mounts take the source path from fstab but do not pin that source before the privileged mount. A local unprivileged user who can replace the authorized source or a writable ancestor can redirect SUID mount8 to bind another host directory. If the fst...

CVE-2026-78410

A flaw was found in util-linux. Restricted bind mounts take the source path from fstab but do not pin that source before the privileged mount. A local unprivileged user who can replace the authorized source or a writable ancestor can redirect SUID mount8 to bind another host directory. If the fst...

CVE-2026-78410

A flaw was found in util-linux. Restricted bind mounts take the source path from fstab but do not pin that source before the privileged mount. A local unprivileged user who can replace the authorized source or a writable ancestor can redirect SUID mount8 to bind another host directory. If the fst...

PT-2026-84766

Name of the Vulnerable Software and Affected Versions util-linux affected versions not specified Description A flaw exists where restricted bind mounts retrieve the source path from fstab without pinning the source before the privileged mount occurs. This allows a local unprivileged user who can...

CVE-2026-78410: Time-of-check Time-of-use (TOCTOU) Race Condition

A flaw was found in util-linux. Restricted bind mounts take the source path from fstab but do not pin that source before the privileged mount. A local unprivileged user who can replace the authorized source or a writable ancestor can redirect SUID mount8 to bind another host directory. If the fst...

CVE-2026-53614

util-linux is a random collection of Linux utilities. In util-linux 2.39.1 through 2.41.4 and 2.42 through 2.42.1, the SUID mount utility reads the attacker-controlled LIBMOUNTFORCEMOUNT2 environment variable with getenv, allowing a local low-privileged user to force the non-atomic legacy...

UBUNTU-CVE-2026-53614

util-linux is a random collection of Linux utilities. In util-linux 2.39.1 through 2.41.4 and 2.42 through 2.42.1, the SUID mount utility reads the attacker-controlled LIBMOUNTFORCEMOUNT2 environment variable with getenv, allowing a local low-privileged user to force the non-atomic legacy...

CVE-2026-27456

util-linux is a random collection of Linux utilities. Prior to version 2.41.4, a TOCTOU Time-of-Check-Time-of-Use vulnerability has been identified in the SUID binary /usr/bin/mount from util-linux. The mount binary, when setting up loop devices, validates the source file path with user privilege...

util-linux security vulnerabilities

util-linux is an open-source software package. Versions of util-linux prior to 2.41.4 contained a security vulnerability. This vulnerability stemmed from a TOCTOU race condition in the SUID binary file mount, which could allow unauthorized access to files...

Exploit for Incorrect Authorization in Suse Pam-Config

CVE-2025-6018 & CVE-2025-6019 PoC A Proof of Concept for chai...

kernel: FUSE filesystem low-privileged user privileges escalation

A flaw was found in the Linux kernel, where unauthorized access to the execution of the setuid file with capabilities was found in the Linux kernel’s OverlayFS subsystem in how a user copies a capable file from a nosuid mount into another mount. This uid mapping bug allows a local user to escalat...

Calibre E-Book Reader Local Root Exploit

No description provided by source. !/bin/sh .50-Calibrer Assault Mount by zx2c4 Calibre uses a suid mount helper, and like nearly all suid mount helpers that have come before it, it's badly broken. Let's go through Calibre's faulty code available at http://pastebin.com/auz9SULi and look at the...

Calibre E-Book Reader - Local Privilege Escalation (1)

Calibre E-Book Reader - Local Privilege Escalation 1 !/bin/sh .50-Calibrer Assault Mount by zx2c4 Calibre uses a suid mount helper, and like nearly all suid mount helpers that have come before it, it's badly broken. Let's go through Calibre's faulty code available at http://pastebin.com/auz9SULi...