CVE-2025-54288: Source Container Identification Vulnerability via cmdline Spoofing in devLXD Server

Severity: medium (CVSS 6.8 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.4% probability of exploitation in the next 30 days
Public exploit or detection template: yes
Published: 2025-10-02 · updated 2026-10-12
Weakness: CWE-290

Description

Information Spoofing in devLXD Server in Canonical LXD versions 4.0 and above on Linux container platforms allows attackers with root privileges within any container to impersonate other containers and obtain their metadata, configuration, and device information via spoofed process names in the command line.

Affected products

Canonical LXD: from 4.0.0 before 5.21.4; from 6.1 before 6.5 — fixed in 5.21.4, 6.5

How to fix

Upgrade to a fixed version: Canonical LXD 5.21.4, 6.5. Check the vendor advisory for mitigations.

References

https://github.com/canonical/lxd/security/advisories/GHSA-7232-97c6-j525
https://github.com/canonical/lxd/security/advisories/GHSA-7232-97c6-j525

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