8.4
High
CVE-2026-12411 Broken Access Control in the devLXDInstancePatchHandler component of Canonical LXD allows an untrusted guest to mount,…
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 products and versions
| Product | Affected versions | Fixed in |
|---|---|---|
| LXD 6.6 | 6.6 → < 6.9 | 6.9 |
References
- Cross-guest volume hijack via DevLXD device patch github.com
- Security fixes from the 6.9 release github.com
Timeline
- Published
- Last modified
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