CVEvulnerability
CVE-2026-12411
9.6 CRITICAL
Official page ↗
- Status
- Analyzed
- Published
- 2026-06-26
- Last modified
- 2026-10-25
- Assigner
- [email protected]
- CVSS 3.1 ([email protected])
- 8.4 HIGH — CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:N
- CVSS 3.1 ([email protected])
- 9.6 CRITICAL — CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:N
- Weaknesses
- CWE-639, CWE-862
Description
Broken Access Control in the devLXDInstancePatchHandler component of Canonical LXD allows an untrusted guest to mount, read, and overwrite another guest's custom storage volume via a crafted device PATCH request over /dev/lxd when security.devlxd.management.volumes is enabled.
Affected configurations
• canonical lxd (>= 6.6 < 6.9)
Related
References
- https://github.com/canonical/lxd/pull/18585 Issue Tracking, Patch
- https://github.com/canonical/lxd/security/advisories/GHSA-hhf9-qw4v-72xp Exploit, Vendor Advisory
- https://github.com/canonical/lxd/security/advisories/GHSA-hhf9-qw4v-72xp Exploit, Vendor Advisory