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CVE-2025-54867

Good to know:

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Date: August 14, 2025

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.

Severity Score

Related Resources (6)

https://github.com/youki-dev/youki/security/advisories/GHSA-j26p-6wx7-f3pw
https://nvd.nist.gov/vuln/detail/CVE-2025-54867
https://github.com/youki-dev/youki
https://github.com/youki-dev/youki/commit/0d9b4f2aa5ceaf988f3eb568711d2acf0a4ace37
https://github.com/youki-dev/youki/releases/tag/v0.5.5
https://www.mend.io/vulnerability-database/CVE-2025-54867

Severity Score

Weakness Type (CWE)

UNIX Symbolic Link (Symlink) Following

CWE-61

Top Fix

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Upgrade Version

Upgrade to version youki - 0.5.5;https://github.com/youki-dev/youki.git - v0.5.5

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CVSS v3.1

Base Score:
Attack Vector (AV): LOCAL
Attack Complexity (AC): HIGH
Privileges Required (PR): LOW
User Interaction (UI): NONE
Scope (S): UNCHANGED
Confidentiality (C): HIGH
Integrity (I): HIGH
Availability (A): HIGH

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