CVE-2010-0294: Tuxfamily Chrony

Medium severity, CVSS 5.0. EPSS: 2.7% chance of exploitation in the next 30 days.

chronyd in Chrony before 1.23.1, and possibly 1.24-pre1, generates a syslog message for each unauthorized cmdmon packet, which allows remote attackers to cause a denial of service (disk consumption) via a large number of invalid packets.

Affected products

• Tuxfamily Chrony: up to and including 1.23-pre1; version 1.18 only; version 1.19 only; version 1.19-1 only; version 1.19.99.1 only; version 1.19.99.2 only; …

Published 2010-02-08. Last modified 2026-06-16.