Vulnerability Description
Youki is a container runtime written in Rust. In versions 0.5.6 and below, youki’s apparmor handling performs insufficiently strict write-target validation, and when combined with path substitution during pathname resolution, can allow writes to unintended procfs locations. While resolving a path component-by-component, a shared-mount race can substitute intermediate components and redirect the final target. This issue is fixed in version 0.5.7.
CVSS Score
CRITICAL
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Youki-Dev | Youki | < 0.5.7 |
Related Weaknesses (CWE)
References
- https://github.com/youki-dev/youki/commit/5886c91073b9be748bd8d5aed49c4a82054803Patch
- https://github.com/youki-dev/youki/security/advisories/GHSA-vf95-55w6-qmrfVendor Advisory
- https://pkg.go.dev/github.com/cyphar/filepath-securejoin/pathrs-lite/procfsNot Applicable
- https://youtu.be/tGseJW_uBB8Not Applicable
- https://youtu.be/y1PaBzxwRWQNot Applicable
FAQ
What is CVE-2025-62596?
CVE-2025-62596 is a vulnerability with a CVSS score of 10.0 (CRITICAL). Youki is a container runtime written in Rust. In versions 0.5.6 and below, youki’s apparmor handling performs insufficiently strict write-target validation, and when combined with path substitution du...
How severe is CVE-2025-62596?
CVE-2025-62596 has been rated CRITICAL with a CVSS base score of 10.0/10. This is considered a critical vulnerability requiring immediate attention.
Is there a patch for CVE-2025-62596?
Check the references section above for vendor advisories and patch information. Affected products include: Youki-Dev Youki.