Upstream information

CVE-2026-85526 at MITRE

Description

Path traversal in the Btrfs storage driver (unpackVolume) in Canonical LXD on Linux allows an authenticated user with instance creation privileges to delete or replace arbitrary files and directories on the host filesystem as root via a crafted subvolumes[].path entry in backup/optimized_header.yaml during a btrfs optimized backup import.

Other Security Trackers

SUSE information

Overall state of this security issue: Resolved

This issue is currently rated as having critical severity.

CVSS v3 Scores
CVSS detail CNA (Canonical)
Base Score 9.9
Vector CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
Attack Vector Network
Attack Complexity Low
Privileges Required Low
User Interaction None
Scope Changed
Confidentiality Impact High
Integrity Impact High
Availability Impact High
CVSSv3 Version 3.1
No SUSE Bugzilla entries cross referenced.

No SUSE Security Announcements cross referenced.

List of released packages

Product(s) Fixed package version(s) References
openSUSE Tumbleweed
  • incus >= 7.5.1-1.1
  • incus-cli >= 7.5.1-1.1
  • incus-cli-bash-completion >= 7.5.1-1.1
  • incus-cli-fish-completion >= 7.5.1-1.1
  • incus-cli-zsh-completion >= 7.5.1-1.1
  • incus-tools >= 7.5.1-1.1
 Patchnames:
openSUSE-Tumbleweed-2026-11983

SUSE Timeline for this CVE

CVE page created: Mon Oct 5 14:02:18 2026
CVE page last modified: Mon Oct 5 14:02:18 2026