Important: Red Hat Security Advisory: runc security update

An update for runc is now available for Red Hat Enterprise Linux 9. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for each vulnerability from the...

runc: container escape via 'masked path' abuse due to mount race conditions

A flaw was found in runc. This flaw exploits an issue with how masked paths are implementedin runc. When masking files, runc will bind-mount the container's /dev/null inode on top of the file. However, if an attacker can replace /dev/null with a symlink to some other procfs file, runc will instea...

runc: container escape with malicious config due to /dev/console mount and related races

A flaw was found in runc. CVE-2025-52565 is very similar in concept and application toCVE-2025-31133, except that it exploits a flaw in /dev/console bind-mounts. When creating the /dev/console bind-mount to /dev/pts/$n, if an attacker replaces /dev/pts/$n with a symlink then runc will bind-mount...

[SECURITY] Fedora 43 Update: buildah-1.42.0-4.fc43

The buildah package provides a command line tool which can be used to create a working container from scratch or create a working container from an image as a starting point mount/umount a working container's root file system for manipulation save container's root file system layer to create a ne...

CVE-2025-62161

Youki is a container runtime written in Rust. In versions 0.5.6 and below, the initial validation of the source /dev/null is insufficient, allowing container escape when youki utilizes bind mounting the container's /dev/null as a file mask. This issue is fixed in version 0.5.7...

Important: runc security update

The runC tool is a lightweight, portable implementation of the Open Container Format OCF that provides container runtime. Security Fixes: runc: container escape via 'masked path' abuse due to mount race conditions CVE-2025-31133 runc: container escape with malicious config due to /dev/console mou...

ALSA-2025:19927 Important: runc security update

The runC tool is a lightweight, portable implementation of the Open Container Format OCF that provides container runtime. Security Fixes: runc: container escape via 'masked path' abuse due to mount race conditions CVE-2025-31133 runc: container escape with malicious config due to /dev/console mou...

SUSE SLES12 Security Update : runc (SUSE-SU-2025:3951-1)

The remote SUSE Linux SLES12 host has a package installed that is affected by multiple vulnerabilities as referenced in the SUSE-SU-2025:3951-1 advisory. - CVE-2025-31133: Fixed container escape via 'masked path' abuse due to mount race conditions bsc1252232. - CVE-2025-52565: Fixed container...

KubeVirt Isolation Detection Flaw Allows Arbitrary File Permission Changes

Summary Short summary of the problem. Make the impact and severity as clear as possible. It is possible to trick the virt-handler component into changing the ownership of arbitrary files on the host node to the unprivileged user with UID 107 due to mishandling of symlinks when determining the roo...

CVE-2025-52565

runc is a CLI tool for spawning and running containers according to the OCI specification. Versions 1.0.0-rc3 through 1.2.7, 1.3.0-rc.1 through 1.3.2, and 1.4.0-rc.1 through 1.4.0-rc.2, due to insufficient checks when bind-mounting /dev/pts/$n to /dev/console inside the container, an attacker can...

AZL-70589 CVE-2025-52565 affecting package kubernetes for versions less than 1.30.10-16

runc is a CLI tool for spawning and running containers according to the OCI specification. Versions 1.0.0-rc3 through 1.2.7, 1.3.0-rc.1 through 1.3.2, and 1.4.0-rc.1 through 1.4.0-rc.2, due to insufficient checks when bind-mounting /dev/pts/$n to /dev/console inside the container, an attacker can...

AZL-70513 CVE-2025-52565 affecting package buildah 1.18.0-29

runc is a CLI tool for spawning and running containers according to the OCI specification. Versions 1.0.0-rc3 through 1.2.7, 1.3.0-rc.1 through 1.3.2, and 1.4.0-rc.1 through 1.4.0-rc.2, due to insufficient checks when bind-mounting /dev/pts/$n to /dev/console inside the container, an attacker can...

AZL-69821 CVE-2025-52565 affecting package moby-runc for versions less than 1.2.8-1

runc is a CLI tool for spawning and running containers according to the OCI specification. Versions 1.0.0-rc3 through 1.2.7, 1.3.0-rc.1 through 1.3.2, and 1.4.0-rc.1 through 1.4.0-rc.2, due to insufficient checks when bind-mounting /dev/pts/$n to /dev/console inside the container, an attacker can...

CVE-2025-52565 container escape due to /dev/console mount and related races

runc is a CLI tool for spawning and running containers according to the OCI specification. Versions 1.0.0-rc3 through 1.2.7, 1.3.0-rc.1 through 1.3.2, and 1.4.0-rc.1 through 1.4.0-rc.2, due to insufficient checks when bind-mounting /dev/pts/$n to /dev/console inside the container, an attacker can...

CVE-2025-52565 container escape due to /dev/console mount and related races

runc is a CLI tool for spawning and running containers according to the OCI specification. Versions 1.0.0-rc3 through 1.2.7, 1.3.0-rc.1 through 1.3.2, and 1.4.0-rc.1 through 1.4.0-rc.2, due to insufficient checks when bind-mounting /dev/pts/$n to /dev/console inside the container, an attacker can...

CVE-2025-52565

CVE-2025-52565 affects moby-runc (and thus the runc runtime) with versions less than 1.2.8-1. Affected component is the bind-mount of /dev/pts/$n to /dev/console, leading to container escapes or denial of service via writable gadget exposure. The connected MARINER advisories confirm an upgraded p...

EUVD-2025-37944

runc is a CLI tool for spawning and running containers according to the OCI specification. Versions 1.0.0-rc3 through 1.2.7, 1.3.0-rc.1 through 1.3.2, and 1.4.0-rc.1 through 1.4.0-rc.2, due to insufficient checks when bind-mounting /dev/pts/$n to /dev/console inside the container, an attacker can...

CVE-2025-52565

runc is a CLI tool for spawning and running containers according to the OCI specification. Versions 1.0.0-rc3 through 1.2.7, 1.3.0-rc.1 through 1.3.2, and 1.4.0-rc.1 through 1.4.0-rc.2, due to insufficient checks when bind-mounting /dev/pts/$n to /dev/console inside the container, an attacker can...

CVE-2025-52565

runc is a CLI tool for spawning and running containers according to the OCI specification. Versions 1.0.0-rc3 through 1.2.7, 1.3.0-rc.1 through 1.3.2, and 1.4.0-rc.1 through 1.4.0-rc.2, due to insufficient checks when bind-mounting /dev/pts/$n to /dev/console inside the container, an attacker can...

CVE-2025-52565 container escape due to /dev/console mount and related races

runc is a CLI tool for spawning and running containers according to the OCI specification. Versions 1.0.0-rc3 through 1.2.7, 1.3.0-rc.1 through 1.3.2, and 1.4.0-rc.1 through 1.4.0-rc.2, due to insufficient checks when bind-mounting /dev/pts/$n to /dev/console inside the container, an attacker can...