SB2026021776 - Fedora 43 update for keylime, keylime-agent-rust
Published: February 17, 2026
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 2 vulnerabilities.
1) Missing Authentication for Critical Function (CVE-ID: CVE-2026-1709)
CWE-ID: CWE-306 - Missing Authentication for Critical Function
CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber
The vulnerability allows a remote attacker to compromise the target system.
The vulnerability exists due to the affected application does not enforce client-side Transport Layer Security (TLS) authentication. A remote attacker can gain elevated privileges on the target system.
2) Use of multiple resources with duplicate identifier (CVE-ID: CVE-2025-13609)
CWE-ID: CWE-694 - Use of Multiple Resources with Duplicate Identifier
CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:L/VI:H/VA:L/SC:N/SI:N/SA:N/E:U/U:Green
The vulnerability allows a remote user to bypass implemented security restrictions.
The vulnerability exists due to the Keylime registrar allows registration of another agent (different TPM device, different EK certificate) with a duplicate UUID. A remote user can register a new agent using a different Trusted Platform Module (TPM) device and take over an existing agent's identity by re-registering with the same UUID though a different TPM's EK certificate.
Remediation
Install update from vendor's website.