| Package | Affected versions | Patched versions |
|---|---|---|
| lxd | ≥ 4.12, < 5.0.7≥ 5.21.0, < 5.21.5≥ 6.0, < 6.9 | 5.0.75.21.56.9 |
A privilege escalation vulnerability exists in LXD from 6.0 before 6.9, 5.21.0 before 5.21.5, and 5.0.0 before 5.0.7 regarding the handling of project-restriction policies during snapshot restoration.. An authenticated project operator in a restricted multi-tenant environment can bypass policy restrictions by importing a maliciously crafted instance backup containing restricted configuration keys within a snapshot. When the snapshot is restored, these restricted keys are applied to the live instance without policy validation. Starting the modified instance grants the operator unauthorized host root access.
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