Description
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.
Metrics
CVSS 3.1 10.0/10
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:HWeakness enumeration
Affected software
| Vendor | Product | Versions |
|---|---|---|
| youki-dev | youki | < 0.5.7 |
References
- https://github.com/youki-dev/youki/commit/5886c91073b9be748bd8d5aed49c4a820548030aPatch
- https://github.com/youki-dev/youki/security/advisories/GHSA-4g74-7cff-xcv8Vendor Advisory
- https://github.com/youki-dev/youki/security/advisories/GHSA-4g74-7cff-xcv8Vendor Advisory
- https://github.com/youki-dev/youki/security/advisories/GHSA-4g74-7cff-xcv8Vendor Advisory
- https://github.com/youki-dev/youki/security/advisories/GHSA-4g74-7cff-xcv8Vendor Advisory
- https://github.com/youki-dev/youki/security/advisories/GHSA-4g74-7cff-xcv8Vendor Advisory
- https://github.com/youki-dev/youki/security/advisories/GHSA-4g74-7cff-xcv8Vendor Advisory
- https://github.com/youki-dev/youki/security/advisories/GHSA-4g74-7cff-xcv8Vendor Advisory
- https://github.com/youki-dev/youki/security/advisories/GHSA-4g74-7cff-xcv8Vendor Advisory
Timeline
- Published
- Nov 6, 2025
- Last modified
- Oct 19, 2026
- NVD status
- Analyzed