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CVE-2025-27612

5.9 · MEDIUM

libcontainer is a library for container control.

Published Mar 21, 2025CWE-276EPSS 0.18%

Overview

CVE-2025-27612 is a medium-severity vulnerability. It was published on March 21, 2025 and has a CVSS 3.1 base score of 5.9 (MEDIUM).

This vulnerability has a CVSS 3.1 base score of 5.9, rated MEDIUM. It requires local or adjacent network access to exploit. No authentication or special privileges are required for exploitation.

Technical description

libcontainer is a library for container control. Prior to libcontainer 0.5.3, while creating a tenant container, the tenant builder accepts a list of capabilities to be added in the spec of tenant container. The logic here adds the given capabilities to all capabilities of main container if present in spec, otherwise simply set provided capabilities as capabilities of the tenant container. However, setting inherited caps in any case for tenant container can lead to elevation of capabilities, similar to CVE-2022-29162. This does not affect youki binary itself. This is only applicable if you are using libcontainer directly and using the tenant builder.

Remediation

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

References

GitHubgithub.com/opencontainers/runc/security/advisories/GHSA-f3fp-gc8g-vw66GitHubgithub.com/youki-dev/youki/blob/9e63fa4da1672a78ca45100f3059a732784a5174/crates/libcontainer/src/container/tenant_builder.rs#L408GitHubgithub.com/youki-dev/youki/commit/747e342d2026fbf3a395db3e2a491ebef00082f1GitHubgithub.com/youki-dev/youki/security/advisories/GHSA-5w4j-f78p-4wh9

How CyberStrike helps

Frequently asked questions

What is CVE-2025-27612?

CVE-2025-27612 is a medium-severity vulnerability. It was published on March 21, 2025 and has a CVSS 3.1 base score of 5.9 (MEDIUM).

How severe is CVE-2025-27612?

This vulnerability has a CVSS 3.1 base score of 5.9, rated MEDIUM. It requires local or adjacent network access to exploit. No authentication or special privileges are required for exploitation.

How do I fix or remediate CVE-2025-27612?

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2025-27612?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2025-27612 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.

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