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Solution
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Workaround
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Thu, 09 Apr 2026 13:15:00 +0000
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| Metrics |
ssvc
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Thu, 09 Apr 2026 09:30:00 +0000
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| Description | Canonical LXD versions 4.12 through 6.7 contain an incomplete denylist in isVMLowLevelOptionForbidden (lxd/project/limits/permissions.go), which omits raw.apparmor and raw.qemu.conf from the set of keys blocked under the restricted.virtual-machines.lowlevel=block project restriction. A remote attacker with can_edit permission on a VM instance in a restricted project can inject an AppArmor rule and a QEMU chardev configuration that bridges the LXD Unix socket into the guest VM, enabling privilege escalation to LXD cluster administrator and subsequently to host root. | |
| Title | VM lowlevel restriction bypass via raw.apparmor and raw.qemu.conf | |
| Weaknesses | CWE-184 | |
| References |
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| Metrics |
cvssV3_1
|
Projects
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Status: PUBLISHED
Assigner: canonical
Published:
Updated: 2026-04-09T12:12:48.251Z
Reserved: 2026-03-26T09:24:08.448Z
Link: CVE-2026-34177
Updated: 2026-04-09T12:12:35.998Z
Status : Received
Published: 2026-04-09T10:16:21.653
Modified: 2026-04-09T13:16:43.840
Link: CVE-2026-34177
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OpenCVE Enrichment
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