SB2024120235 - Improper access control in lxd
Published: December 2, 2024 Updated: April 9, 2026
Security Bulletin ID
SB2024120235
Severity
Medium
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Remote access
Highest impact
Code execution
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Improper access control (CVE-ID: CVE-2024-6219)
The vulnerability allows a remote user to escalate privileges.
The vulnerability exists due to improper access control in the LXD certificate authorization logic when processing restricted CA-signed client certificates in PKI mode. A remote user can present a restricted certificate to gain full access to LXD and escalate privileges.
The issue occurs when a server.ca file is present in LXD_DIR and restrictions on certificates in the trust store are ignored.
Remediation
Install update from vendor's website.