CVE-2025-54290: lxd Information Disclosure

Description

Information disclosure in image export API in Canonical LXD before 6.5 and 5.21.4 on Linux allows network attackers to determine project existence without authentication via crafted requests using wildcard fingerprints.

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CVSS v3.1 Score

5.3

MEDIUM

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

Weakness Type (CWE)

CWE-200 CWE-200

Affected Products

Vendor	Product	Versions
canonical	lxd	4.0.0 — 5.21.4
canonical	lxd	6.1 — 6.5
linux	linux_kernel	All

References

Advisories & Patches

https://github.com/canonical/lxd/security/advisories/GHSA-p3x5-mvmp-5f35

Exploits

https://github.com/canonical/lxd/security/advisories/GHSA-p3x5-mvmp-5f35

Frequently Asked Questions

What is CVE-2025-54290? +

Information disclosure in image export API in Canonical LXD before 6.5 and 5.21.4 on Linux allows network attackers to determine project existence without authentication via crafted requests using wildcard fingerprints. It has a CVSS v3.1 base score of 5.3 (MEDIUM).

How severe is CVE-2025-54290? +

CVE-2025-54290 has a CVSS v3.1 score of 5.3 out of 10, rated MEDIUM. This is a medium-severity vulnerability that should be remediated as part of regular maintenance.

What products are affected by CVE-2025-54290? +

CVE-2025-54290 affects products from canonical, linux, specifically: linux_kernel, lxd. Check the affected products table above for specific version ranges.

How do I check if I'm vulnerable to CVE-2025-54290? +

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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