CVE-2025-64507

Incus is a system container and virtual machine manager. An issue in versions prior to 6.0.6 and 6.19.0 affects any Incus 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. The most common case for this would be systems using `incus-user` with the less privileged `incus` group to provide unprivileged users with an isolated restricted access to Incus. Such users may be able to create a custom storage volume with the necessary property (depending on kernel and filesystem support) and can then write a setuid binary from within the container which can be executed as an unprivileged user on the host to gain root privileges. A patch for this issue is expected in versions 6.0.6 and 6.19.0. As a workaround, permissions can be manually restricted until a patched version of Incus is deployed.
References
Link Resource
https://github.com/lxc/incus/issues/2641 Exploit Issue Tracking Patch
https://github.com/lxc/incus/pull/2642 Exploit Issue Tracking Patch
https://github.com/lxc/incus/security/advisories/GHSA-56mx-8g9f-5crf Exploit Vendor Advisory Patch
https://github.com/lxc/incus/issues/2641 Exploit Issue Tracking Patch
Configurations

Configuration 1 (hide)

OR cpe:2.3:a:linuxcontainers:incus:*:*:*:*:*:*:*:*
cpe:2.3:a:linuxcontainers:incus:*:*:*:*:*:*:*:*

History

29 Dec 2025, 16:29

Type Values Removed Values Added
References () https://github.com/lxc/incus/issues/2641 - () https://github.com/lxc/incus/issues/2641 - Exploit, Issue Tracking, Patch
References () https://github.com/lxc/incus/pull/2642 - () https://github.com/lxc/incus/pull/2642 - Exploit, Issue Tracking, Patch
References () https://github.com/lxc/incus/security/advisories/GHSA-56mx-8g9f-5crf - () https://github.com/lxc/incus/security/advisories/GHSA-56mx-8g9f-5crf - Exploit, Vendor Advisory, Patch
Summary
  • (es) Incus es un gestor de contenedores de sistema y máquinas virtuales. Un problema en versiones anteriores a la 6.0.6 y 6.19.0 afecta a cualquier usuario de Incus en un entorno donde un usuario sin privilegios puede tener acceso root a un contenedor con un volumen de almacenamiento personalizado adjunto que tiene la propiedad 'security.shifted' establecida en 'true', así como acceso al host como usuario sin privilegios. El caso más común para esto serían los sistemas que utilizan 'incus-user' con el grupo 'incus' menos privilegiado para proporcionar a los usuarios sin privilegios un acceso restringido y aislado a Incus. Dichos usuarios pueden ser capaces de crear un volumen de almacenamiento personalizado con la propiedad necesaria (dependiendo del soporte del kernel y del sistema de archivos) y luego pueden escribir un binario setuid desde dentro del contenedor que puede ser ejecutado como un usuario sin privilegios en el host para obtener privilegios de root. Se espera un parche para este problema en las versiones 6.0.6 y 6.19.0. Como solución alternativa, los permisos pueden ser restringidos manualmente hasta que se implemente una versión parcheada de Incus.
CWE NVD-CWE-noinfo
CPE cpe:2.3:a:linuxcontainers:incus:*:*:*:*:*:*:*:*
First Time Linuxcontainers
Linuxcontainers incus
CVSS v2 : unknown
v3 : unknown
v2 : unknown
v3 : 7.8

12 Nov 2025, 21:15

Type Values Removed Values Added
References () https://github.com/lxc/incus/issues/2641 - () https://github.com/lxc/incus/issues/2641 -

10 Nov 2025, 22:15

Type Values Removed Values Added
New CVE

Information

Published : 2025-11-10 22:15

Updated : 2025-12-29 16:29


NVD link : CVE-2025-64507

Mitre link : CVE-2025-64507

CVE.ORG link : CVE-2025-64507


JSON object : View

Products Affected

linuxcontainers

  • incus
CWE
CWE-269

Improper Privilege Management

NVD-CWE-noinfo