CVE-2025-2713: Improper File Permission Handling in Google gVisor runsc

Severity: high (CVSS 7.8 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.1% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2025-03-28 · updated 2026-06-17
Weakness: CWE-266

Description

Google gVisor's runsc component exhibited a local privilege escalation vulnerability due to incorrect handling of file access permissions, which allowed unprivileged users to access restricted files. This occurred because the process initially ran with root-like permissions until the first fork.

Affected products

Google gVisor: before 20240325.0 — fixed in 20240325.0

How to fix

Upgrade to a fixed version: Google gVisor 20240325.0. Check the vendor advisory for mitigations.

References

https://github.com/google/gvisor/commit/586c38d70081b13b2ed494cef48e99b93956843e

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