Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: ext4: Turn quotas off if mount fails after enabling quotas Yi discovered during a review of the patch “ext4: Don’t report errors with inconsistent journal features” that when ext4markrecoverycomplete returns an error value, the...

Astra Linux – Vulnerability in Linux, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: selinux: Avoid dereferencing garbage after a mount failure. In the case where kernmount fails and returns an error pointer in the error branch instead of continuing and dereferencing the error pointer. Also, remove the “never rea...

CVE-2025-6019

CVE-2025-6019: libblockdev Local Privilege Escalation Vulnerability Summary CVE-2025-6019 is a local privilege escalation LPE vulnerability discovered in the libblockdev library, which interacts with the udisks2 daemon and Polkit. Vulnerability Description A local attacker with allowactive Polkit...

CVE-2026-88838

A flaw was found in BusyBox's mount utility. A non-root user can bypass mount security restrictions set in /etc/fstab by specifying clearing-mask options on the command line. These options pass the non-root flag filter and are merged with fstab options as strings; when the combined options are...

UBUNTU-CVE-2026-88838

A flaw was found in BusyBox's mount utility. A non-root user can bypass mount security restrictions set in /etc/fstab by specifying clearing-mask options on the command line. These options pass the non-root flag filter and are merged with fstab options as strings; when the combined options are...

ALPINE-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-2026-53614

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-2026-53614

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-2026-53614 util-linux LIBMOUNT_FORCE_MOUNT2 allows nosuid and noexec bypass

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-2026-53614

The util-linux suite contains a vulnerability in the SUID mount utility where it fails to sanitize the LIBMOUNT_FORCE_MOUNT2 environment variable. A local low-privileged user can set this variable to force the utility to use a non-atomic legacy bind-mount path. By racing the window between the in...

EUVD-2026-101304

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-2026-53614 util-linux LIBMOUNT_FORCE_MOUNT2 allows nosuid and noexec bypass

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-2026-53614

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...

ALPINE-CVE-2026-53613

util-linux is a random collection of Linux utilities. In util-linux 2.17 through 2.41.6 and 2.42 through 2.42.3, and in 2.42.4 when the legacy mount2 path is used without /proc, restricted non-root mount requests validate an /etc/fstab target before the mount operation re-resolves that pathname. ...

ALPINE-CVE-2026-53612

util-linux is a random collection of Linux utilities. In util-linux 2.39 through 2.41.4 and 2.42 through 2.42.1, the SUID mount utility's hookowner.c post-mount hook performs path-based chmod and lchown operations on a previously validated mount target. A local low-privileged user authorized by a...

CVE-2026-53613

util-linux is a random collection of Linux utilities. In util-linux 2.17 through 2.41.6 and 2.42 through 2.42.3, and in 2.42.4 when the legacy mount2 path is used without /proc, restricted non-root mount requests validate an /etc/fstab target before the mount operation re-resolves that pathname. ...

CVE-2026-53612

util-linux is a random collection of Linux utilities. In util-linux 2.39 through 2.41.4 and 2.42 through 2.42.1, the SUID mount utility's hookowner.c post-mount hook performs path-based chmod and lchown operations on a previously validated mount target. A local low-privileged user authorized by a...

CVE-2026-53613

A Time-of-Check Time-of-Use (TOCTOU) vulnerability in util-linux allows a local low-privileged user to achieve local privilege escalation to root. The issue exists because the mount(8) utility validates a target path from an /etc/fstab entry (authorized via user or users options) before the mount...

CVE-2026-53613

util-linux is a random collection of Linux utilities. In util-linux 2.17 through 2.41.6 and 2.42 through 2.42.3, and in 2.42.4 when the legacy mount2 path is used without /proc, restricted non-root mount requests validate an /etc/fstab target before the mount operation re-resolves that pathname. ...

CVE-2026-53613 util-linux mount target TOCTOU allows local privilege escalation

util-linux is a random collection of Linux utilities. In util-linux 2.17 through 2.41.6 and 2.42 through 2.42.3, and in 2.42.4 when the legacy mount2 path is used without /proc, restricted non-root mount requests validate an /etc/fstab target before the mount operation re-resolves that pathname. ...