CVE-2015-1822: Debian Linux

Medium severity, CVSS 6.5. EPSS: 2.9% chance of exploitation in the next 30 days.

chrony before 1.31.1 does not initialize the last "next" pointer when saving unacknowledged replies to command requests, which allows remote authenticated users to cause a denial of service (uninitialized pointer dereference and daemon crash) or possibly execute arbitrary code via a large number of command requests.

Affected products

• Debian Debian Linux: version 7.0 only
• Tuxfamily Chrony: up to and including 1.31

Published 2015-04-16. Last modified 2026-06-17.