Security update for util-linux

This update for util-linux fixes the following issues: CVE-2026-3184: Fix full hostname usage for PAM to ensure correct access control for "login -h" bsc1258859. Patch Instructions: To install this SUSE update use the SUSE recommended installation methods like YaST onlineupdate or "zypper patch"...

SUSE-SU-2026:1370-1 Security update for util-linux

This update for util-linux fixes the following issues: - CVE-2026-3184: Fix full hostname usage for PAM to ensure correct access control for 'login -h' bsc1258859...

Security Bulletin: Vulnerability in util-linux affects IBM Netezza Appliance

Summary The util-linux package is used by IBM Netezza Appliance . IBM Netezza Appliance has addressed the applicable CVE CVE-2025-14104 Vulnerability Details CVEID:CVE-2025-14104 DESCRIPTION: A flaw was found in util-linux. This vulnerability allows a heap buffer overread when processing 256-byte...

[SECURITY] Fedora 43 Update: util-linux-2.41.4-7.fc43

The util-linux package contains a large variety of low-level system utilities that are necessary for a Linux system to function. Among others, util-linux contains the fdisk configuration tool and the login program...

Fedora: Security Advisory (FEDORA-2026-840b40ef4c)

The remote host is missing an update for the SPDX-FileCopyrightText: 2026 Greenbone AG Some text descriptions might be excerpted from a referenced sources, and are Copyright C by the respective right holders. SPDX-License-Identifier: GPL-2.0-only ifdescription...

SUSE-SU-2026:21158-1 Security update for util-linux

This update for util-linux fixes the following issues: Security issues: - CVE-2025-14104: heap buffer overread in setpwnam when processing 256-byte usernames bsc1254666. - CVE-2026-3184: access control bypass due to improper hostname canonicalization in login bsc1258859. Non security issues: -...

OPENSUSE-SU-2026:20495-1 Security update for util-linux

This update for util-linux fixes the following issues: Security issues: - CVE-2025-14104: heap buffer overread in setpwnam when processing 256-byte usernames bsc1254666. - CVE-2026-3184: access control bypass due to improper hostname canonicalization in login bsc1258859. Non security issues: -...

util-linux: util-linux: Access control bypass due to improper hostname canonicalization

A flaw was found in util-linux. Improper hostname canonicalization in the login1 utility, when invoked with the -h option, can modify the supplied remote hostname before setting PAMRHOST. A remote attacker could exploit this by providing a specially crafted hostname, potentially bypassing...

util-linux: TOCTOU in the mount program when setting up loop devices

A flaw was found in util-linux. When an /etc/fstab entry is configured with the user,loop options, the mount program checks the file path with user permissions but later opens it with root privileges. This creates a brief Time-of-Check-Time-of-Use TOCTOU window where an attacker can substitute th...

util-linux: util-linux: Heap buffer overread in setpwnam() when processing 256-byte usernames

A flaw was found in util-linux. This vulnerability allows a heap buffer overread when processing 256-byte usernames, specifically within the setpwnam function, affecting SUID Set User ID login-utils utilities writing to the password database...

SUSE 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: util-linux: access control bypass due to improper hostname canonicalization

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CVE-2026-27456

A flaw was found in util-linux. When an /etc/fstab entry is configured with the user,loop options, the mount program checks the file path with user permissions but later opens it with root privileges. This creates a brief Time-of-Check-Time-of-Use TOCTOU window where an attacker can substitute th...

util-linux: TOCTOU Race Condition in util-linux mount(8) - Loop Device Setup

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ALPINE-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...

CVE-2026-27456 util-linux: TOCTOU Race Condition in util-linux mount(8) - Loop Device Setup

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...

CVE-2026-27456

CVE-2026-27456 affects util-linux mount(8): a TOCTOU race in the SUID mount when setting up loop devices allows a local user to trick mount into opening a root-owned target by replacing the source path during the brief window between validation and open. Exploitation requires an /etc/fstab entry ...

CVE-2026-27456 util-linux: TOCTOU Race Condition in util-linux mount(8) - Loop Device Setup

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...

EUVD-2026-18864

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...

CVE-2026-27456 util-linux: TOCTOU Race Condition in util-linux mount(8) - Loop Device Setup

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...