CVE-2025-54867: youki — Fix

Description

Youki is a container runtime written in Rust. Prior to version 0.5.5, if /proc and /sys in the rootfs are symbolic links, they can potentially be exploited to gain access to the host root filesystem. This issue has been patched in version 0.5.5.

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CVSS v3.1 Score

7.0

HIGH

CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H

Weakness Type (CWE)

CWE-61 CWE-61

Affected Products

Vendor	Product	Versions
youki-dev	youki	< 0.5.5

References

Advisories & Patches

https://github.com/youki-dev/youki/commit/0d9b4f2aa5ceaf988f3eb568711d2acf0a4ace37 https://github.com/youki-dev/youki/security/advisories/GHSA-j26p-6wx7-f3pw

Other References

https://github.com/youki-dev/youki/releases/tag/v0.5.5

Frequently Asked Questions

What is CVE-2025-54867? +

Youki is a container runtime written in Rust. Prior to version 0.5.5, if /proc and /sys in the rootfs are symbolic links, they can potentially be exploited to gain access to the host root filesystem. This issue has been patched in version 0.5.5. It has a CVSS v3.1 base score of 7.0 (HIGH).

How severe is CVE-2025-54867? +

CVE-2025-54867 has a CVSS v3.1 score of 7.0 out of 10, rated HIGH. This is a high-severity vulnerability that should be prioritized for patching.

What products are affected by CVE-2025-54867? +

CVE-2025-54867 affects products from youki-dev, specifically: youki. Check the affected products table above for specific version ranges.

How do I check if I'm vulnerable to CVE-2025-54867? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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