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9.1 Critique

CVE-2026-34178 In Canonical LXD before 6.8, the backup import path validates project restrictions against backup/index.yaml in the…

Description

In Canonical LXD before 6.8, the backup import path validates project restrictions against backup/index.yaml in the supplied tar archive but creates the instance from backup/container/backup.yaml, a separate file in the same archive that is never checked against project restrictions. An authenticated remote attacker with instance-creation permission in a restricted project can craft a backup archive where backup.yaml carries restricted settings such as security.privileged=true or raw.lxc directives, bypassing all project restriction enforcement and allowing full host compromise.

Produits et versions touchés

Produit Versions touchées Corrigé en
LXD 6.0 6.0.0 → < 6.8.0 6.8.0
LXD 5.1 5.1.0 → < 5.21.5 5.21.5
LXD 4.12 4.12.0 → < 5.0.7 5.0.7

Références

Chronologie

  1. Publiée
  2. Dernière modification

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