Race Condition Enabling Link Following

Overview github.com/opencontainers/runc/libcontainer is a package for a modern container runtime. Affected versions of this package are vulnerable to Race Condition Enabling Link Following via a race condition in the maskedPaths feature. An attacker can gain unauthorized access to host files,...

GHSA-9493-H29P-RFM2 runc container escape via "masked path" abuse due to mount race conditions

Impact The OCI runtime specification has a maskedPaths feature that allows for files or directories to be "masked" by placing a mount on top of them to conceal their contents. This is primarily intended to protect against privileged users in non-user-namespaced from being able to write to files o...

Security update for runc

This update for runc fixes the following issues: CVE-2025-31133: Fixed container escape via 'masked path' abuse due to mount race conditions bsc1252232. CVE-2025-52565: Fixed container escape with malicious config due to /dev/console mount and related races bsc1252232. CVE-2025-52881: Fixed...

SUSE-SU-2025:3951-1 Security update for runc

This update for runc fixes the following issues: - CVE-2025-31133: Fixed container escape via 'masked path' abuse due to mount race conditions bsc1252232. - CVE-2025-52565: Fixed container escape with malicious config due to /dev/console mount and related races bsc1252232. - CVE-2025-52881: Fixed...

Security update for runc

This update for runc fixes the following issues: CVE-2025-31133: Fixed container escape via 'masked path' abuse due to mount race conditions bsc1252232. CVE-2025-52565: Fixed container escape with malicious config due to /dev/console mount and related races bsc1252232. CVE-2025-52881: Fixed...

SUSE-SU-2025:3950-1 Security update for runc

This update for runc fixes the following issues: - CVE-2025-31133: Fixed container escape via 'masked path' abuse due to mount race conditions bsc1252232. - CVE-2025-52565: Fixed container escape with malicious config due to /dev/console mount and related races bsc1252232. - CVE-2025-52881: Fixed...

UBUNTU-CVE-2025-52881

runc is a CLI tool for spawning and running containers according to the OCI specification. In versions 1.2.7, 1.3.2 and 1.4.0-rc.2, an attacker can trick runc into misdirecting writes to /proc to other procfs files through the use of a racing container with shared mounts we have also verified thi...

UBUNTU-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-2025-31133

runc is a CLI tool for spawning and running containers according to the OCI specification. In versions 1.2.7 and below, 1.3.0-rc.1 through 1.3.1, 1.4.0-rc.1 and 1.4.0-rc.2 files, runc would not perform sufficient verification that the source of the bind-mount i.e., the container's /dev/null was...

CVE-2025-52881

runc is a CLI tool for spawning and running containers according to the OCI specification. In versions 1.2.7, 1.3.2 and 1.4.0-rc.2, an attacker can trick runc into misdirecting writes to /proc to other procfs files through the use of a racing container with shared mounts we have also verified thi...

Fedora 44 : runc (2025-6a0f63aaab)

The remote Fedora 44 host has a package installed that is affected by multiple vulnerabilities as referenced in the FEDORA-2025-6a0f63aaab advisory. Automatic update for runc-1.3.3-1.fc44. Changelog Wed Nov 5 2025 Bradley G Smith - 2:1.3.3-1 - Update to release v1.3.3 - Resolves: rhbz2411664,...

Linux Distros Unpatched Vulnerability : CVE-2025-52881

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - runc is a CLI tool for spawning and running containers according to the OCI specification. In versions 1.2.7, 1.3.2 and 1.4.0-rc.2, an attacker can trick runc...

Linux Distros Unpatched Vulnerability : CVE-2025-52565

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - 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...

OPENSUSE-SU-2025:15705-1 runc-1.3.3-1.1 on GA media

These are all security issues fixed in the runc-1.3.3-1.1 package on the GA media of openSUSE Tumbleweed...

Low: runc

Issue Overview: No CVE associated with this advisory Affected Packages: runc Issue Correction: Run dnf update runc --releasever 2023.9.20251105 or dnf update --advisory ALAS2023-2025-1263 --releasever 2023.9.20251105 to update your system. More information on how to update your system can be foun...

Low: runc

Issue Overview: No CVE associated with this advisory Affected Packages: runc Note: This advisory is applicable to Amazon Linux 2 - Ecs Extra. Visit this page to learn more about Amazon Linux 2 AL2 Extras and this FAQ section for the difference between AL2 Core and AL2 Extras advisories. Issue...

Low: runc

Issue Overview: No CVE associated with this advisory Affected Packages: runc Note: This advisory is applicable to Amazon Linux 2 - Docker Extra. Visit this page to learn more about Amazon Linux 2 AL2 Extras and this FAQ section for the difference between AL2 Core and AL2 Extras advisories. Issue...

Linux Distros Unpatched Vulnerability : CVE-2025-31133

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - runc is a CLI tool for spawning and running containers according to the OCI specification. In versions 1.2.7 and below, 1.3.0-rc.1 through 1.3.1, 1.4.0-rc.1 and...

USN-7851-1: runC vulnerabilities

Lei Wang and Li Fubang discovered that runC incorrectly handled masked paths. An attacker could possibly replace a container's /dev/null with a symlink to some other procfs file and possibly escape a container. CVE-2025-31133 Lei Wang and Li Fubang discovered that runC incorrectly handled the...