CVE-2015-1822

Description

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.

Category

6.5
CVSS
Severity: Medium
CVSS 2.0 •
EPSS 2.11% Top 20%
Vendor Advisory debian.org Vendor Advisory gentoo.org Vendor Advisory tuxfamily.org
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
http://www.debian.org/security/2015/dsa-3222 vendor advisory
http://listengine.tuxfamily.org/chrony.tuxfamily.org/chrony-announce/2015/04/msg00002.html mailing list patch vendor advisory
http://www.oracle.com/technetwork/topics/security/linuxbulletinoct2015-2719645.html
https://security.gentoo.org/glsa/201507-01 vendor advisory
http://www.securityfocus.com/bid/73956 vdb entry

Frequently Asked Questions

What is the severity of CVE-2015-1822?
CVE-2015-1822 has been scored as a medium severity vulnerability.
How to fix CVE-2015-1822?
To fix CVE-2015-1822, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2015-1822 being actively exploited in the wild?
It is possible that CVE-2015-1822 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~2% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
This platform uses data from the NIST NVD, MITRE CVE, MITRE CWE, First.org and CISA KEV but is not endorsed or certified by these entities. CVE is a registred trademark of the MITRE Corporation and the authoritative source of CVE content is MITRE's CVE web site. CWE is a registred trademark of the MITRE Corporation and the authoritative source of CWE content is MITRE's CWE web site.
© 2025 Under My Watch. All Rights Reserved.