CVE Vulnerabilities

CVE-2025-64645

Time-of-check Time-of-use (TOCTOU) Race Condition

Published: Dec 26, 2025 | Modified: Dec 29, 2025
CVSS 3.x
7.4
HIGH
Source:
NVD
CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
CVSS 2.x
RedHat/V2
RedHat/V3
Ubuntu

IBM Concert 1.0.0 through 2.1.0 could allow a local user to escalate their privileges due to a race condition of a symbolic link.

Weakness

The product checks the state of a resource before using that resource, but the resource’s state can change between the check and the use in a way that invalidates the results of the check.

Affected Software

Name Vendor Start Version End Version
Concert Ibm 1.0.0 (including) 2.2.0 (excluding)

Potential Mitigations

References