ALSA-2024:0748 Important: container-tools:4.0 security update

The container-tools module contains tools for working with containers, notably podman, buildah, skopeo, and runc. Security Fixes: runc: file descriptor leak "Leaky Vessels" CVE-2024-21626 A AlmaLinux Security Bulletin which addresses further details about the Leaky Vessels flaw is available in th...

Leaky Vessels in Cloud Environments Shake Docker and Beyond

Summary: Four vulnerabilities, collectively termed Leaky Vessels, have been uncovered within container engine components, specifically affecting the runC command line tool. In the most severe instances, illicit entry into the underlying host operating system could result in the compromise of vita...

RunC Flaws Enable Container Escapes, Granting Attackers Host Access

Multiple security vulnerabilities have been disclosed in the runC command line tool that could be exploited by threat actors to escape the bounds of the container and stage follow-on attacks. The vulnerabilities, tracked as CVE-2024-21626, CVE-2024-23651, CVE-2024-23652, and CVE-2024-23653, have...

Container Breakout (Leaky Vessels)

Overview Affected versions of this package are vulnerable to Container Breakout Leaky Vessels. Due to certain leaked file descriptors, an attacker could cause a newly-spawned container process from runc exec to have a working directory in the host filesystem namespace, allowing for a container...

Improper Handling of Insufficient Privileges (Leaky Vessels)

Overview Affected versions of this package are vulnerable to Improper Handling of Insufficient Privileges Leaky Vessels via APIs for running interactive containers based on built images. It is possible to use these APIs to ask BuildKit to run a container with elevated privileges. Normally, runnin...

Improper Handling of Insufficient Privileges (Leaky Vessels)

Overview Affected versions of this package are vulnerable to Improper Handling of Insufficient Privileges Leaky Vessels via APIs for running interactive containers based on built images. It is possible to use these APIs to ask BuildKit to run a container with elevated privileges. Normally, runnin...

Improper Link Resolution Before File Access (Leaky Vessels)

Overview Affected versions of this package are vulnerable to Improper Link Resolution Before File Access Leaky Vessels allowing arbitrary file deletion on the host system. A malicious BuildKit frontend or Dockerfile using RUN --mount could trick the feature that removes empty files created for th...

Race Condition (Leaky Vessels)

Overview Affected versions of this package are vulnerable to Race Condition Leaky Vessels in the subpath mounting when two malicious build steps are running in parallel and sharing the same cache mounts. This can lead to files from the host system being accessible to the build container. Workarou...

Improper Handling of Insufficient Privileges (Leaky Vessels)

Overview Affected versions of this package are vulnerable to Improper Handling of Insufficient Privileges Leaky Vessels via APIs for running interactive containers based on built images. It is possible to use these APIs to ask BuildKit to run a container with elevated privileges. Normally, runnin...

Improper Handling of Insufficient Privileges (Leaky Vessels)

Overview Affected versions of this package are vulnerable to Improper Handling of Insufficient Privileges Leaky Vessels via APIs for running interactive containers based on built images. It is possible to use these APIs to ask BuildKit to run a container with elevated privileges. Normally, runnin...

Improper Handling of Insufficient Privileges (Leaky Vessels)

Overview Affected versions of this package are vulnerable to Improper Handling of Insufficient Privileges Leaky Vessels via APIs for running interactive containers based on built images. It is possible to use these APIs to ask BuildKit to run a container with elevated privileges. Normally, runnin...

Improper Handling of Insufficient Privileges (Leaky Vessels)

Overview Affected versions of this package are vulnerable to Improper Handling of Insufficient Privileges Leaky Vessels via APIs for running interactive containers based on built images. It is possible to use these APIs to ask BuildKit to run a container with elevated privileges. Normally, runnin...

Improper Handling of Insufficient Privileges (Leaky Vessels)

Overview Affected versions of this package are vulnerable to Improper Handling of Insufficient Privileges Leaky Vessels via APIs for running interactive containers based on built images. It is possible to use these APIs to ask BuildKit to run a container with elevated privileges. Normally, runnin...

Improper Handling of Insufficient Privileges (Leaky Vessels)

Overview Affected versions of this package are vulnerable to Improper Handling of Insufficient Privileges Leaky Vessels via APIs for running interactive containers based on built images. It is possible to use these APIs to ask BuildKit to run a container with elevated privileges. Normally, runnin...