Permissions, Privileges, and Access Controls in LXD - CVE-2025-64507

 

Permissions, Privileges, and Access Controls in LXD - CVE-2025-64507

Published: November 26, 2025


Vulnerability identifier: #VU118768
CSH Severity: Low
CVSS v4: 8.5 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2025-64507
CWE-ID: CWE-264
Exploitation vector: Local access
Exploit availability: No public exploit available

Vulnerability details

The vulnerability allows a local user to escalate privileges on the system.

The vulnerability exists due to improper privilege management when using custom storage volumes. Any LXD user in an environment where an unprivileged user may have root access to a container with an attached custom storage volume that has the "security.shifted" property set to "true" as well as access to the host as an unprivileged user can escalate their privileges to root.


Affected software

LXD
Debian Linux
lxd (Debian package)
incus (Debian package)

How to mitigate CVE-2025-64507

Install updates from vendor's website.

LXD - addressed in versions 4.0.11, 5.21.5, 6.6
lxd (Debian package) - update to 5.0.2-5+deb12u2
incus (Debian package) - update to 6.0.4-2+deb13u2

External References

Related Security Bulletins